Results for “Mineral Specimens”

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Cubic Pyrite, Quartz and Sphalerite Specimen: Beautiful, large cubic pyrite, quartz and sphalerite formation from the Huanzala Mine in Ancash, Peru. 7.5" x 8.5" x 4". 14 pounds, 3 ounces.

Feb 22, 2026

Cubic Pyrite, Quartz and Sphalerite Specimen

Fossils & Gemstones of Houston

Est. $2,000-$2,500

Cubic Pyrite, Apatite and Sphalerite Specimen: Cubic pyrite, apatite and sphalerite formation from the Huanzala Mine in Ancash, Peru. 4.25" x 6.5" x 3". 4 pounds, 7 ounces.

Feb 22, 2026

Cubic Pyrite, Apatite and Sphalerite Specimen

Fossils & Gemstones of Houston

Est. $800-$900

Large Rock Crystal Specimen , Unique Shape: This stone is cut and polished in this unique shape . It has layers and layers on different stone in it . Have never seen one in this design . Purchased a long time ago in Rio Brazil . Has been kept i

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Large Rock Crystal Specimen , Unique Shape

Chairish Auctions

Trio of Studio Ceramic Nature Specimens: Three studio ceramic abstract nature specimens in attractive earth tones depicting two podded beans and an oversized acorn with nut. Excellent, vintage condition with no losses. We have other small co

2026

Trio of Studio Ceramic Nature Specimens

Chairish Auctions

Est. $150-$450

Buy Now for $200.00

AN APOPHYLITE AND SCOLECITE SPECIMEN INDIA: 14" x 4" in size. Magnficent in structure

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AN APOPHYLITE AND SCOLECITE SPECIMEN INDIA

J. Greenstein & Co., Inc.

Wonderful Heavy Ancient Meteorite Specimen: Heavy ancient meteorite specimen with fine red iron patina throughout as shown. Pitting and surface shine from blazing through the atmosphere at hundreds of miles per hour at temperatures unimaginable

Feb 19, 2026

Wonderful Heavy Ancient Meteorite Specimen

Inspired Auctions

Est. $400-$600

Polished Malachite and Chrysocolla Specimen: Beautiful polished malachite and chrysocolla specimen from the DR Congo. 3" x 5” x 3”. 2 pounds, 1 ounce.

Feb 22, 2026

Polished Malachite and Chrysocolla Specimen

Fossils & Gemstones of Houston

Est. $300-$450

Polished Malachite and Chrysocolla Specimen: Beautiful polished malachite and chrysocolla specimen from the DR Congo. 4.5" x 5” x 3”. 2 pounds, 4 ounces.

Feb 22, 2026

Polished Malachite and Chrysocolla Specimen

Fossils & Gemstones of Houston

Est. $350-$450

A MASSIVE APOPHYLLITE SPECIMEN WITH STILBITE: 28" LONG AND 11.5" WIDE HERE IS ONE OF THE MOST GORGEOUS APOPHYLLITE SPECIMENS WITH STILBITE THAT I HAVE EVER HAD

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A MASSIVE APOPHYLLITE SPECIMEN WITH STILBITE

J. Greenstein & Co., Inc.

Cubic Pyrite, Chalcopyrite and Fluorescent Calcite Specimen: Cubic pyrite, chalcopyrite and highly fluorescent calcite formation from the Huanzala Mine in Ancash, Peru. 7" x 9" x 5". 8 pounds, 7 ounces.

Feb 22, 2026

Cubic Pyrite, Chalcopyrite and Fluorescent Calcite Specimen

Fossils & Gemstones of Houston

Est. $1,500-$2,000

Cubic Pyrite, Chalcopyrite and Fluorescent Calcite Specimen: Cubic pyrite, chalcopyrite and highly fluorescent calcite formation from the Huanzala Mine in Ancash, Peru. 8" x 9" x 5". 11 pounds, 12 ounces.

Feb 22, 2026

Cubic Pyrite, Chalcopyrite and Fluorescent Calcite Specimen

Fossils & Gemstones of Houston

Est. $1,500-$2,000

A POLISHED BULLSEYE MALACHITE SPECIMEN: 8.2” x 4.5” x 2.6”. Weight is 2258.5 grams

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A POLISHED BULLSEYE MALACHITE SPECIMEN

J. Greenstein & Co., Inc.

AN APOPHYLLITE WITH STILBITE SPECIMEN.: 4.7” x 4.5” x 7.1”. The weight is 3131.6 grams.

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AN APOPHYLLITE WITH STILBITE SPECIMEN.

J. Greenstein & Co., Inc.

Large Rough Laguna Lace Agate Specimen: Large laguna lace agate formation from Chihuahua, Mexico. 8.25" x 9" x 4.5". 11 pounds.

Feb 22, 2026

Large Rough Laguna Lace Agate Specimen

Fossils & Gemstones of Houston

Est. $150-$200

Huge Cubic Pyrite, Chalcopyrite and Sphalerite Specimen: Huge cubic pyrite, chalcopyrite and sphalerite formation from the Huanzala Mine in Ancash, Peru. 10" x 14" x 8". 36 pounds.

Feb 22, 2026

Huge Cubic Pyrite, Chalcopyrite and Sphalerite Specimen

Fossils & Gemstones of Houston

Est. $3,500-$5,000

Polished Malachite and Chrysocolla Specimen: Beautiful polished malachite and chrysocolla specimen from the DR Congo. 4.25” x 6.5” x 4”. 6 pounds, 2 ounces.

Feb 22, 2026

Polished Malachite and Chrysocolla Specimen

Fossils & Gemstones of Houston

Est. $600-$800

Museum Specimen West American 1835Ct Natural Smoky Quartz Stone: Title: Museum Specimen West American 1835Ct Natural Smoky Quartz Stone Description: West American Yield 1835.50ct. Natural GIA Certified Smoky Quartz GIA Certified Report ID: 2185885395 114.06 X 62.85

2026

Museum Specimen West American 1835Ct Natural Smoky Quartz Stone

Chairish Auctions

Est. $11,000-$13,000

Buy Now for $8,835.00

A GROUP OF FOUR POLISHED LABADORITE FREEFORM DISPLAY SPECIMENS.: Exceptional color and grade. The largest is 8" tall.

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A GROUP OF FOUR POLISHED LABADORITE FREEFORM DISPLAY SPECIMENS.

J. Greenstein & Co., Inc.

Rare Scolecite and Stilbite Specimen: Rare scolecite and stilbite specimen from the Deccan Basalts, Aurangabad, Maharashtra, India. 4.5" x 5.5” x 6”. 4 pounds, 1 ounce.

Feb 22, 2026

Rare Scolecite and Stilbite Specimen

Fossils & Gemstones of Houston

Est. $500-$700

Colossal 200LB Black Tourmaline Specimen on Stand - MONUMENT: Colossal black tourmaline specimen on black metal stand. The centerpiece of any collection or home. 31 x 15 x 13 inches. 200 pounds.

Feb 22, 2026

Colossal 200LB Black Tourmaline Specimen on Stand - MONUMENT

Fossils & Gemstones of Houston

Est. $4,000-$6,000

Ultra Fluorescent Cave Aragonite Specimen: Price slashed! Ultra fluorescent cave aragonite specimen from the Potosi Mine in Chihuahua, Mexico. 10" x 15" x 4". 11 pounds, 12 ounces.

Feb 22, 2026

Ultra Fluorescent Cave Aragonite Specimen

Fossils & Gemstones of Houston

Est. $600-$800

Polished Bullseye Malachite Specimen With Cut Base: Large polished bullseye malachite specimen from the DR Congo. Bottom was solidified and painted. 5.5" x 8.5" x 3.75". 8 pounds, 7 ounces.

Feb 22, 2026

Polished Bullseye Malachite Specimen With Cut Base

Fossils & Gemstones of Houston

Est. $400-$600

65.49 Carats Electric Blue Labradorite Pair - Natural Madagascar Cabochons, 72XC: This striking labradorite pair dazzles with a vivid interplay of electric blue, teal, and indigo-classic hallmarks of high-quality labradorescence. Each piece exhibits dynamic sheen that shifts as lig

4 days Left

65.49 Carats Electric Blue Labradorite Pair - Natural Madagascar Cabochons, 72XC

Est. $30-$60

Large Rare Scolecite Specimen: Rare, large and delicate scolecite specimen from the Deccan Basalts, Aurangabad, Maharashtra, India. 7” x 12.5" x 8”. 13 pounds, 4 ounces.

Feb 22, 2026

Large Rare Scolecite Specimen

Fossils & Gemstones of Houston

Est. $900-$1,200

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