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18th Century and Earlier Natural Specimens

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Period: 18th Century and Earlier
Deep Purple Amethyst White Calcite Grey Agate Decorative object Sculpture Crysta
Located in London, GB
An interesting and stunning amethyst cluster with a striking mineral and colour mix. In this aesthetic piece the edges have been polished to reveal layers of a vibrant green celadonite, blue-grey agate and white quartz, which frame the intense purple colour of the amethyst. The interior of the mineral sculpture is endowed with a gorgeous very deep purple amethyst...
Category

Uruguayan Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Sculptural Oriented Meteorite
Located in London, GB
Oriented Chondrite Meteorite Circa 4.56 Billion y/o Chondrite 24 x 20 cm, 28 cm tall on base 7.1 kg A sculptural and beautifully weathered chondrite meteorite; upon entering the atmosphere, this extraterrestrial stone would have heated the surrounding air to a temperature of over 1700 C, higher than that of the hottest lava on the planet, and enough to melt away its outer layers, leaving its surface rippled with regmaglypts, thumb-shaped impressions formed as superheated rock streaked off of the main body as it careened toward the earth. The last layer of the rock to melt would have re-solidified as the meteorite made impact, forming a charcoal coloured fusion crust, which has taken on a deep ochre-tinted patina. Chondrite meteorites such as this example were formed at the very beginning of our solar system, by the accretion of various types of dust and small grains, adrift in the vacuum of space and, as such, provide important clues about the birth of our own planet. This piece is an especially rare specimen, known as an oriented meteorite...
Category

Antique 18th Century and Earlier Natural Specimens

Materials

Stone

Large Grey Druzy Quartz Keokuk Geode
Located in Dublin, Dalkey
Geode from the Keokuk, Iowa area containing a variety of minerals with a quartz druzy interior. It took around 240 million years to create the beautiful quartz crystals covering the interior walls of the Keokuk geode...
Category

American Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Rock Crystal

Red Amethystine Black Galaxy Decorative Object Sculpture Crystal Rock
Located in London, GB
An exceptional formation resembling an other-worldly landscape. This spherical geode has been exposed to reveal a gorgeous amethystine quartz interior, the tinted stalactites resem...
Category

Uruguayan Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Purple Grape agate with calcium carbonate Decorative object Sculpture Table top
Located in London, GB
A stunning grape agate with calcium carbonate arrangement! Origin: Indonesia
Category

Indonesian Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Agate, Rock Crystal

390 Gram Magnificent Aquamarine Specimen Bunch From Skardu, Pakistan
By Deloris "Dee" Giltz 1
Located in Peshawar, PK
390 Gram Magnificent Aquamarine Specimen Bunch From Skardu, Pakistan Weight: 390 Gram Dimension: 10 x 5.9 x 3.5 Cm Origin: Skardu District, Gilgit Baltistan Province, Pakistan Aq...
Category

Pakistani Adam Style Antique 18th Century and Earlier Natural Specimens

Materials

Rock Crystal

Green half Geode Resembling Murano Glass Crystal Rock Mineral Decorative Object
Located in London, GB
This beautiful end cut of a geode resembles a piece of Murano glass. Greenish colours, punctuated by cut stalactite "eyes" blur into orange areas and create a wonderful aesthetic. A ...
Category

South American Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Cream White Smokey Quartz Rock Crystal Black TourmalineDecorative object Sculptu
Located in London, GB
An impressive, large single crystal point of smoky quartz with pleasing facets. The interior of the quartz crystal is interspersed with gorgeous black tourmaline in a variety of orie...
Category

Brazilian Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Quartz, Tourmaline

Giant Ammonite Cluster from Madagascar
By Dale Rogers Ammonite
Located in London, GB
Rare ammonites from Madagascar are highly sought after by collectors and paleontologists due to their exceptional preservation and unique features. These...
Category

Malagasy Antique 18th Century and Earlier Natural Specimens

Materials

Stone

Fluorapatite (bi-color) with Cleavelandite, Afghanistan
Located in New York, NY
Fluorapatite (bi-color) with Cleavelandite, Dara-e-Pech pegmatite field, Dara-e-Pech District, Kunar, Afghanistan 6 cm tall x 7 cm wide Fluorapatite is found in several colors, purp...
Category

Afghan Antique 18th Century and Earlier Natural Specimens

Materials

Other

Quartz Var. Grape Agate from Indonesia
Located in New York, NY
From near Pantai Manakarra, Mamuju, Sulawesi, Indonesia Double-sided cluster of translucent grape purple quartz agate in spherical formations with a radial internal structure and are found in cavities in pillow basalt. Also known as Grape Agate...
Category

Indonesian Antique 18th Century and Earlier Natural Specimens

Materials

Agate, Quartz, Other

Genuine Hollardops Trilobite Fossil from Ofaten, Morocco (261.3 grams)
Located in New York, NY
Trilobites, an early arthropod relative of spiders, horseshoe crabs, and scorpions, preserved in this level of detail only occurred as a result of very sudden underwater landslides c...
Category

Moroccan Antique 18th Century and Earlier Natural Specimens

Materials

Cement, Other

17th Century Italian Hand-Carved and Gilded Crown with Himalayan Diamonds
Located in Dublin, Dalkey
17th century Italian hand-carved and gilded crown adorned with herkimer diamonds and mounted on an antique gold base. This was original from a historical Italian church and would ha...
Category

Italian Rococo Antique 18th Century and Earlier Natural Specimens

Materials

Quartz, Rock Crystal, Gold Leaf, Metal

Large Freestanding Polished Lapis Lazuli Freeform
Located in Wormelow, Herefordshire
A large scale freestanding polished lapis lazuli freeform originating from Afghanistan, one of two similar naturally-formed lapis lazuli specimens we are selling. With its naturally...
Category

Afghan Antique 18th Century and Earlier Natural Specimens

Materials

Natural Fiber

Large Mexican Green Onyx Tower Obelisk Specimen Weighing 20 lbs.
Located in Miami, FL
Large Mexican Green Onyx Tower Obelisk Specimen Weighing 20 lbs. Offered for sale is a very large specimen Green Onyx Tower Obelisk. It is a variation of the renowned Onyx stone, di...
Category

Mexican Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Onyx

Yellow Brown limonite formation with white quartz Decorative object
Located in London, GB
Intense yellow - orange limonite formation with inclusions of white quartz. Origin: Benalmadena Trinidad Mine - Malaga - Spain
Category

Spanish Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Quartz, Rock Crystal

Life-Sized Spoonbill Print – Dutch Ornithology by Sepp and Nozeman, 1789
Located in Langweer, NL
Spoonbill Antique Dutch Bird Print by Sepp and Nozeman, 1789 – Life-Sized Study This impressive hand-colored copper engraving titled *Platalea leucorodia* portrays the Eurasian spoo...
Category

Dutch Antique 18th Century and Earlier Natural Specimens

Materials

Paper

Spessartine Garnet with Aquamarine Crystals on Albite from Pakistan
Located in New York, NY
From Himalayan mountains - Shengus area, near Skardu, Pakistan This red Spessartine Garnet cluster, has perfectly terminated crystals, with beautiful blue Aquamarine crystals, formed...
Category

Pakistani Antique 18th Century and Earlier Natural Specimens

Materials

Crystal, Rock Crystal

Natural Gogotte Specimen Formation
Located in Pease pottage, West Sussex
A Gogotte Formation Of natural form, dating from the Oligocene period (30 Million years ago). Beguiling natural mineral formation, they are the result of calcium carbonate binding w...
Category

French Antique 18th Century and Earlier Natural Specimens

Materials

Stone

Onyx canoe bowl with craquelet Decorative object Sculpture Table top
Located in London, GB
An exceptional, large bowl of canoe-like shape, carved from a single piece of Mexican onyx and polished to reveal the gorgeous translucence and banding that have made the stone desir...
Category

Mexican Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Onyx

18th Century Italian Cross with Fossil Agate Coral and Mounted on Fossil Coral
Located in Dublin, Dalkey
Sculptural 18th century Italian cross with fossil agate coral and mounted on fossil coral. The fossil agate coral and fossil coral are put together with the 18th century cross to lo...
Category

Italian Rococo Antique 18th Century and Earlier Natural Specimens

Materials

Rock Crystal, Agate, Coral

18th Century Italian Fragment with Fossil Clam Shell on Cut Rock Coral Base
Located in Dublin, Dalkey
Sculptural 18th century Italian candlestick with a fossil clam shell and gold leaf barnacles mounted on a cut rock coral base. The hand-carved, 18th century candlestick originally came from a church in Tuscany. It is mounted on a cut and fossilized rock coral base. The mounted fossil...
Category

Italian Rococo Antique 18th Century and Earlier Natural Specimens

Materials

Rock Crystal, Coral, Gold Leaf

Genuine Mosasaurus Tooth in Display Case (197.4 grams)
Located in New York, NY
This huge, Museum-quality Mesosaurus tooth is genuine, completely intact with no repairs and in pristine condition. This incredible specimen includes a display box for preservation a...
Category

Egyptian Antique 18th Century and Earlier Natural Specimens

Materials

Other

Opal
Located in New York, NY
Opal Tsehay Mewcha, Wegeltena, Delanta Woreda, South Wollo Zone, Amhara Region, Ethiopia Measures: 14.4 cm tall x 11 cm wide Precious opals are a hydrated amorphous form of silica (amorphous meaning a non-crystallized solid), unlike crystalline forms of silica, which are classed as minerals. Australia is the locality most associated with precious opal. The precious opals of Ethiopia were only discovered recently in 2008. Opals are formed over thousands of years when rain frees spherical silica particles from sandstone. These microscopic particles spread deep into underground cavities and are then compressed into a closely-packed interlaced structure. When miners bring them forth from the earth to the surface, sunlight travels through this microstructure creating the dazzling kaleidoscope of flashing rainbow colors that we see here. This opal may be unique. The colors are like no other we have seen from Ethiopia. There are several names given to opal (Black Opal, Boulder Opal, Fire opal, etc.). This piece begins an entirely new genre - Candy Opal.
Category

Ethiopian Antique 18th Century and Earlier Natural Specimens

Materials

Opal

Opal
Opal
$265,000
Sculptural 18th Century Italian Miniature Mecca Fragment with Fossil Agate Coral
Located in Dublin, Dalkey
Sculptural 18th century Italian mecca miniature fragment with fossil agate coral. The fragment was originally part of an 18th century Italian candlestick from a historic church. I...
Category

Italian Rococo Antique 18th Century and Earlier Natural Specimens

Materials

Agate, Coral, Gold Leaf

Rough geode purple amethyst white quartz Decorative object table top sculpture
Located in London, GB
Like a treasure chest, this striking geode section shows the incredible contrast between the rough volcanic stone (basalt) in which the geodes are found, and the radiant amethystine ...
Category

Uruguayan Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Amethyst Cluster with Stalactite Formations and Calcite Crystals
Located in London, GB
An exquisite and rare amethyst cluster with stalactite formations and calcite crystals. The stunning piece’s shape resembles a “Cascade” or “waterfa...
Category

Uruguayan Antique 18th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Chrome Diopside Samax Mine, Merelani Hills, Lelatema Mtns., Tanzania
Located in New York, NY
Chrome Diopside Samax Mine, Merelani Hills, Lelatema Mtns., Simanjiro Dist., Manyara Region, Tanzania 6.3cm wide x 4.5cm tall In 2007, some of the highest quality chrome diopside sp...
Category

Tanzanian Antique 18th Century and Earlier Natural Specimens

Materials

Other

Natural Gogotte Specimen Formation
Located in Pease pottage, West Sussex
A Gogotte Formation Of natural form, dating from the Oligocene period (30 Million years ago). Beguiling natural mineral formation, they are the result of calcium carbonate binding w...
Category

Antique 18th Century and Earlier Natural Specimens

Materials

Stone

18th Century Italian Gilded Bird with Calcite Crystal in a Sphalerite Matrix
Located in Dublin, Dalkey
18th century Italian hand-carved and gilded bird on a cut phantom calcite crystal base. The missing wing of the bird has been replicated with a rare coordinating calcite crystal clus...
Category

Italian Rococo Antique 18th Century and Earlier Natural Specimens

Materials

Quartz, Rock Crystal, Crystal, Gold Leaf

Burmese Amber With Organic Matter
Located in New York, NY
This exceptional Burmese amber specimen, dating back roughly 99 million years, offers a rare window into the ancient world. Known to collectors as a "men...
Category

Burmese Antique 18th Century and Earlier Natural Specimens

Materials

Other

Optical Calcite Crystals from Leiping Mine, Guiyang, Hunan, China
Located in New York, NY
From Leiping Mine, Guiyang, Hunan, China Internally flawless crystal cluster of optical-grade colorless calcite on gossan matrix. The calcite crystal are fully terminated with hex...
Category

Chinese Antique 18th Century and Earlier Natural Specimens

Materials

Crystal, Other

Purple Tabletop Amethyst White Calcite Quartz Decorative object Sculpture
Located in London, GB
A very rare and exquisite table-top amethyst formation. The long fromation preserves a prominent golden calcite crystal on a bed of deep purple amethyst and is particularly sculptura...
Category

Uruguayan Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Purple Red Amethystine Geode Grey Agate and White Quartz Decorative Object
Located in London, GB
This beautiful half geode has a wonderful blue-brown banded agate border with a thick base of white quartz differentiating to deep amethyst at the tips. A small section of orange ...
Category

Uruguayan Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Vintage Brown Rock Crystal Quartz Tower / Sculpture
Located in San Diego, CA
Admired since ancient times, brown rock crystal quartz is prized for its extraordinary natural design and beauty. This vintage 1970s tower is polished and presented in a wonderful to...
Category

American Antique 18th Century and Earlier Natural Specimens

Materials

Quartz, Rock Crystal

18th Century Italian Fragment Base with Agatized Coral on an Agate Slice
Located in Dublin, Dalkey
Sculptural 18th century Italian fragment base mounted with agatized coral on a polished agate base. The 18th century hand-carved fragment base is originally from Tuscany. The polish...
Category

Italian Rococo Antique 18th Century and Earlier Natural Specimens

Materials

Agate, Coral

Genuine Hollardops Trilobite Fossil from Ofaten, Morocco (170.6 grams)
Located in New York, NY
Trilobites, an early arthropod relative of spiders, horseshoe crabs, and scorpions, preserved in this level of detail only occurred as a result of very sudden underwater landslides c...
Category

Moroccan Antique 18th Century and Earlier Natural Specimens

Materials

Cement, Other

Mounted Naturally-Formed Indian Mineral Clear Apophyllite
Located in Point Richmond, CA
Mounted naturally-formed Indian mineral: clear apophyllite An attractive specimen that reflects the light similarly to a multifaceted gem giving the specimen an unusual brightness. ...
Category

Indian Other Antique 18th Century and Earlier Natural Specimens

Materials

Crystal

Monumental Natural Rock Crystal Cluster from Brazil, 30 kg, collected circa 1980
Located in NICE, FR
A striking and monumental crystal rock cluster sourced from Brazil, mounted on a custom black metal and stone base. This extraordinary specimen features dozens of pristine, elongate...
Category

Brazilian Prehistoric Antique 18th Century and Earlier Natural Specimens

Materials

Rock Crystal

Hemimorphite on Quartz, Malipo Mine, Wenshan Co., Yunnan Prov, China
Located in New York, NY
Hemimorphite on Quartz, Malipo Mine, Wenshan Co., Yunnan Prov., China Measures: 12 cm tall x 10 cm wide Hemimorphite from China has taken on entirely new qualities that barely ex...
Category

Chinese Antique 18th Century and Earlier Natural Specimens

Materials

Other

Genuine Natural Carcharodontosaurus Dinosaur Tooth in Display Box
Located in New York, NY
Carcharodontosaurus (Dinosaur) tooth in a glass display box From Tegana Formation, North Africa. Cretaceous Age 65 million years Carcharodontosaurus is one of the longest and heavi...
Category

Egyptian Antique 18th Century and Earlier Natural Specimens

Materials

Other

Blue Agate Pyramidal Cave Formation with Druze
Located in London, GB
A beautiful pyramidal formation with thick border of blue banded agate. The central cavity resembling a cave with a floor of druzy quartz and calcite crystals. Nascent stalactites ...
Category

Uruguayan Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Small “Dragon Scale” Quartz with Goethite on Matrix
Located in London, GB
The term “Dragon Scale Quartz” refers to a distinctive formation of smoky quartz crystals whose overlapping, double-terminated points resemble the scales of a dragon. This natural sc...
Category

American Antique 18th Century and Earlier Natural Specimens

Materials

Crystal, Quartz, Rock Crystal

Fossil Agate Coral with Iridescent Ammonites
Located in Dublin, Dalkey
Fossil agate coral adorned with iridescent fossil ammonites. The grey piece of fossil agate coral is cut and polished and adorned with the iridescent...
Category

American Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Agate, Coral

Phacopid (Morocconites Malladoides) Trilobite from Morocco (276.2 grams)
Located in New York, NY
Here is one of the more unusual species of trilobites, a Morocconites malladoides from the Devonian of Morocco. It's a member of the Phacopida trilobites and has a very defining feat...
Category

Moroccan Antique 18th Century and Earlier Natural Specimens

Materials

Cement, Other

18th Century Italian Gold Leaf Sunray with a Baroque Pearl on Aragonite
Located in Dublin, Dalkey
18th century Italian sunray with baroque pearls mounted on an aragonite crystal base. The 18th century gold leaf sunray originally part of a halo or sunburst motif in an artistic depiction in a historic church. It is mounted onto the white aragonite...
Category

Italian Rococo Antique 18th Century and Earlier Natural Specimens

Materials

Quartz, Rock Crystal, Gold Leaf

Quartz with Multi-Zoned Inclusions
Located in New York, NY
Quartz (with multi-zoned inclusions) Novo Horizonte, Bahia, Brazil 19.1 cm tall x 12.9 cm wide 12% of the Earth’s crust is quartz, making it among the most common of all min...
Category

Brazilian Antique 18th Century and Earlier Natural Specimens

Materials

Other

Tourmaline
Located in New York, NY
Tourmaline Rubaya, Bahunde, Masisi Territory, North Kivu, Democratic Republic of the Congo Measures: 5.1 cm tall x 2 cm wide.
Category

Congolese Antique 18th Century and Earlier Natural Specimens

Materials

Other

Tourmaline
Tourmaline
$37,500
Gem grade Amethyst Geode Sculpture, Uruguay
Located in Los Angeles, CA
The amethyst geodes from Uruguay are mined from the same rock formation as their relatives just to the north across the border into southern Brazil and are igneous (volcanic) in orig...
Category

Uruguayan Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Amethyst, Quartz, Rock Crystal

18th Century Italian Sunray with Tangerine Quartz on Phantom Red Calcite
Located in Dublin, Dalkey
18th century Italian gold sunray fragment with tangerine crystal quartz points on a polished optical calcite base. The hand-carved, hand-painted wood fragment sunray was once part of...
Category

Italian Rococo Antique 18th Century and Earlier Natural Specimens

Materials

Quartz, Rock Crystal, Crystal

Large Imperial Black Porphyry specimen
Located in Bruxelles, BE
Rare and Large Imperial Black Porphyry architectural fragment partially polished, 23,5 x 15 x 12 cm Porfido Nero is a rare Black Variety of Imperial Porphyry from Gebel Dokhan (th...
Category

Italian Classical Roman Antique 18th Century and Earlier Natural Specimens

Materials

Porphyry

17th Century Italian Florence Fragment Vase Mounted with Chalcedony Rosettes
Located in Dublin, Dalkey
17th century Italian vase mounted and encrusted with chalcedony rosettes on a petrified wood base. This fragment is from a church in Florence. It was found and saved from the historic Florence Flood of 1966. This was one of the worst floods recorded since the Renaissance and drew thousands of volunteers from all over the world to help save the city known for its precious history, artwork, artifacts, and rare books. The volunteers were called "the mud angels" because of the mud and silt left everything from the damage of the flood. There is still the original paint and silt left on the piece to uphold the integrity, craftmanship, and history of sculptural fragment. The chalcedony rosettes perfectly emulate the color and texture of the piece. The story and history of this piece and Interi's collection of Florence fragments...
Category

Italian Baroque Antique 18th Century and Earlier Natural Specimens

Materials

Rock Crystal

Brown Cream Small Orange Quartz Decorative object Sculpture Crystal Rock
Located in London, GB
Several small stalactites adorn this piece, covered in light orange druzy quartz. This piece was legally and ethically sourced directly in the prestigi...
Category

Uruguayan Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Fossil Ray Fish Rhinobatos Hakelensis Sawfish Libanopritis Hiram 1M Slab
Located in Scorton, GB
An exceedingly rare, significant and exceptional discovery of a Ray fish [Rhinobatos hakelensis] and Sawfish [Libanopristis hiram] complete and preserved with exceptionally fine deta...
Category

Lebanese Prehistoric Antique 18th Century and Earlier Natural Specimens

Materials

Limestone

Silver Wire Mineral Specimen with Calcite Crystals – Kongsberg, Norway
Located in Edison, NJ
Native silver is among a handful of minerals that have been deemed inherently valuable by mankind since antiquity. In the world of mineral collecting, silver specimens and sulfosalts...
Category

Norwegian Antique 18th Century and Earlier Natural Specimens

Materials

Multi-gemstone, Silver

Crabby Time Capsule: Fossilized Eocene Crab from Monte Baldo Italy
Located in New York, NY
This exceptional fossilized crab (Harpactocarcinus) originates from the Eocene period and was discovered in Monte Baldo, Italy. Measuring 4 inches in height, this well-preserved spec...
Category

Italian Antique 18th Century and Earlier Natural Specimens

Materials

Stone

Large Scale Natural Amethyst Specimen
Located in Wormelow, Herefordshire
A large scale natural amethyst specimen originating from Brazil. Crystals from Brazil are most often found as radiating masses, with individual crystals appearing as pyramids, such a...
Category

Brazilian Antique 18th Century and Earlier Natural Specimens

Materials

Amethyst, Multi-gemstone

Mounted Banded Fluorite Slab Specimen
Located in Ottawa, Ontario
A mounted banded fluorite Slab specimen Polished to one side and mounted on a carved wood base imitating a rock formation. Approx. H 6 1/4 in.(16 cm.) x W 8 in.(20.3 cm.) x ...
Category

American Organic Modern Antique 18th Century and Earlier Natural Specimens

Materials

Stone

18th Century Italian Gold Leaf Sunray with a Baroque Pearl on an Aragonite Base
Located in Dublin, Dalkey
18th century Italian sunray with baroque pearls mounted on an aragonite crystal base. The 18th century gold leaf sunray originally part of a halo or sunburst motif in an artistic depiction in a historic church. It is mounted onto the white aragonite...
Category

Italian Rococo Antique 18th Century and Earlier Natural Specimens

Materials

Quartz, Rock Crystal, Gold Leaf

18th Century Italian Bases with Polished Fossil Ammonites
Located in Dublin, Dalkey
18th century Italian (Region of Puglia) painted and bronzed bases decorated with a matching pair of polished fossil coordinating ammonites with ruffled copper on a copper in a matrix...
Category

Italian Rococo Antique 18th Century and Earlier Natural Specimens

Materials

Copper