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AMETHYST GEODE WITH POLISHED EDGES CATHEDRAL: Light purple in color. Polished edge. Triangular in shape. 11.5" tall and 7 kilograms

Apr 21, 2026

AMETHYST GEODE WITH POLISHED EDGES CATHEDRAL

J. Greenstein & Co., Inc.

AMETHYST GEODE WITH POLISHED EDGES CATHEDRAL: Lighte purple in color. Polished edge. Triangular in shape. 8.2" tall and 8.8 kilograms

Apr 21, 2026

AMETHYST GEODE WITH POLISHED EDGES CATHEDRAL

J. Greenstein & Co., Inc.

3ct Brazilian Neon Blue Tourmaline Emerald Cut No Reserve GIE Certified: Investment-grade gemstone characterized by a vivid, electric blue-green color caused by copper. The emerald cut enhances its high clarity and inner neon glow, with high-quality specimens demanding a p

Apr 13, 2026

3ct Brazilian Neon Blue Tourmaline Emerald Cut No Reserve GIE Certified

California Gemstones

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 12" TALL AND 9" AT IT'S WIDEST, 10.7 KILOGRAMS

Apr 21, 2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.

Colombian Emerald 9.95ct Oval Cut No Reserve GGL Certified: Features the intense, pure color characteristic of Colombian mines due to high chromium content. Oval cuts offer a brilliant, fiery sparkle while showcasing the deep color, typically with visible inte

Apr 13, 2026

Colombian Emerald 9.95ct Oval Cut No Reserve GGL Certified

California Gemstones

AMETHYST GEODE WITH POLISHED EDGES CATHEDRAL: Excellent color. Polished edge. 11" tall and 9.35 kilograms.

Apr 21, 2026

AMETHYST GEODE WITH POLISHED EDGES CATHEDRAL

J. Greenstein & Co., Inc.

Large Malachite and Turquoise Slabs: Malachite and Turquoise slabs. Large turquoise slab 4.25" x 1.5" x.5" 109 grams, Large Malachite slab 2.25" x 3.5" x .5" 86 grams, small turquoise piece 2"x 1.25" x .25" 19 grams

Apr 16, 2026

Large Malachite and Turquoise Slabs

Cowboy Joe's Antiques

Polished Pink/Purple Labradorite Freeform: Rare polished pink/purple labradorite freeform from Madagascar. 4.75" x 4" x 1.5". 1 pound, 15 ounces.

Apr 26, 2026

Polished Pink/Purple Labradorite Freeform

Fossils & Gemstones of Houston

Loose Diamond - PEAR 8.02ct Fancy Intense Pink VVS2: Loose Diamond - PEAR 8.02ct Fancy Intense Pink VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: PEAR Carats: 8.02 Color: Fancy Intense Pink Certification: IGI Video:

4 hrs Left

Loose Diamond - PEAR 8.02ct Fancy Intense Pink VVS2

Loose Diamond - EMERALD 9.98ct F VVS2: Loose Diamond - EMERALD 9.98ct F VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: EMERALD Carats: 9.98 Color: F Clarity: VVS2 Certification: IGI Video:

4 hrs Left

Loose Diamond - EMERALD 9.98ct F VVS2

Loose Diamond - ROUND 2.72ct O-P I1: Loose Diamond - ROUND 2.72ct O-P I1 Source: Natural Shape: ROUND Carats: 2.72 Color: O-P Certification: GIA Video:

11 hrs Left

Loose Diamond - ROUND 2.72ct O-P I1

3.73 ct. Unheated Natural Pink Tourmaline - MOZAMBIQUE: 3.73 ct. Unheated Natural Pink Tourmaline - MOZAMBIQUE Color - Pink Cut - Oval Clarity - I1-I2 Ct. wt. - 3.73 ct. Dimensions - 10.40 X 8.20 X 6.30 mm Origin - MOZAMBIQUE,

4 days Left

3.73 ct. Unheated Natural Pink Tourmaline - MOZAMBIQUE

Kissing Auction

1.39 ct. Natural Pink Tourmaline - MOZAMBIQUE, AFRICA: 1.39 ct. Natural Pink Tourmaline - MOZAMBIQUE, AFRICA Color - Pink Cut - Oval Clarity - VVS Ct. wt. - 1.39 ct. Dimensions - 7.50 x 6.00 x 4.80 mm Origin - MOZAMBIQUE, AFR

4 days Left

1.39 ct. Natural Pink Tourmaline - MOZAMBIQUE, AFRICA

Kissing Auction

Blue-Yellow Gradient Montana Sapphire, 1.15 CT: Mineral/Gemstone: Genuine Corundum Sub-Category/Color: Sapphire Geographic Origin: Montana, USA State:Loose, Cut & Faceted Weight: 1.15CT This 1.15 ct heated Montana sapphire commands attention with i

6 days Left

Blue-Yellow Gradient Montana Sapphire, 1.15 CT

Bidfair Fine Jewelry

2.28ct Unheated-Loose Bi-Colored Montana Sapphire: Mineral/Gemstone: Genuine Corundum Sub-Category/Color: Blue Sapphire State: Loose, Cut & Faceted Weight: 2.28 CT Geographic Origin: Montana, USA Birthstone for: SEPTEMBER A striking 2.28 carat Montana

6 days Left

2.28ct Unheated-Loose Bi-Colored Montana Sapphire

Bidfair Fine Jewelry

A beautiful Hetian topaz accessory: Exquisite Hetian topaz accessories Size:W:3.8×2.2cmW:60g (The Dimensions Of All Batches Are Manually Measured.If You Need More Detailed Information, Please Contact Our Customer Service Before Bidding

Apr 18, 2026

A beautiful Hetian topaz accessory

Admirable Collections

A RARE SCOLECITE SPECIMEN FORMATION: Rare and delicate scolecite specimen from the Deccan Basalts, Aurangabad, Maharashtra, India 6" wide.

Apr 21, 2026

A RARE SCOLECITE SPECIMEN FORMATION

J. Greenstein & Co., Inc.

A LARGE AMETHYST GEODE POLISHED EDGES: 17.4 KILOGRAMS AND 16" TALL. light blue in color. deep cavelike

Apr 21, 2026

A LARGE AMETHYST GEODE POLISHED EDGES

J. Greenstein & Co., Inc.

One meteorite pendant.: Meteorite pendant, measuring 8x5.8 centimeters and weighing 142 grams.

2 days Left

One meteorite pendant.

TOISHINSEI Co., Ltd.

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 24" TALL, 7.5" AT IT'S WIDEST 23.6 KILOGRAMS

Apr 21, 2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.

A LARGE AMETHYST GEODE POLISHED EDGES: 14.85 KILOGRAMS AND 17" TALL. Light in color.

Apr 21, 2026

A LARGE AMETHYST GEODE POLISHED EDGES

J. Greenstein & Co., Inc.

Velvety Malachite Formation: Velvety malachite formation from the DR Congo. 6.5" x 4.25" x 2.5". 2 pounds, 1 ounces.

Apr 26, 2026

Velvety Malachite Formation

Fossils & Gemstones of Houston

Scientific sample of a Hymenophyllum dilatatum collected at Wellington New Zealand 1862-63: . Medium Natural History, Fossils & Minerals Exhibited Fossils, Plants & Petrified Wood

Scientific sample of a Hymenophyllum dilatatum collected at Wellington New Zealand 1862-63

Smalls Auctions

2.42ct Faceted Emerald Oval Gemstone: Faceted Emerald Oval For many, emerald is considered to be the symbol of rebirth. It is also believed to represent good fortune, youth, balance, growth, peace, and foresight. Size- 9.2x8.0 mm, Weight-

4 days Left

2.42ct Faceted Emerald Oval Gemstone

Weatherham Estate Treasures

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