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Six Tourmaline Gemstones: Unmounted tourmaline includes 4.6 carat neon green, octagon, Africa. 2.43 carat bi-color cabochon, green and pink, Africa. 4.38 carat emerald cut green, Africa. 6.77 carat oval padparadscha, deep pink

3 days Left

Six Tourmaline Gemstones

Cordier Auctions

AMETHYST GEODE. TITANIUM PLATED GOTHIC LOOK: Excellent colors. Black gothic look. 21" tall

Apr 21, 2026

AMETHYST GEODE. TITANIUM PLATED GOTHIC LOOK

J. Greenstein & Co., Inc.

CHRISTENSEN AGATE BLUE DEVIL MARBLE: 5/8" diam. Cobalt blue base with a white patch and yellow patch going over the white. A very rare and hard marble to find. Condition: (9.6). Dimensions: 1/2" Dia.

5 days Left

CHRISTENSEN AGATE BLUE DEVIL MARBLE

Dan Morphy Auctions

13.17 Cts ICA Certified Bi-Color Tourmaline: Showstopping 13.17 cts ICA Bi-Color Tourmaline (ICA certified) with rich color presence and strong brilliance. Suited for a bespoke heirloom design; a standout addition to any gemstone collection.

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13.17 Cts ICA Certified Bi-Color Tourmaline

Nile Jewels Co Ltd

Hotan jade rough stone: Hetian jade raw stone, blue and white seed material, original stone and skin, natural three colors, full shape, warm and lustrous jade quality, natural weathering of the surface, first-class quality.

Apr 19, 2026

Hotan jade rough stone

RARE AKRO AGATE SPARKLER W/ GREEN AVENTURINE: 19/32" diam. Typical sparkler colors on half the color, the other a green aventurine. A very rare marble in great condition. Condition: (9.8). Dimensions: 1/2" Dia.

5 days Left

RARE AKRO AGATE SPARKLER W/ GREEN AVENTURINE

Dan Morphy Auctions

9.12 ct Ceylon Sapphire Shape: Cushion Measurem: 9.12 ct Ceylon Sapphire Shape: Cushion Measurement: 10.84 x 10.74 x 8.63 mm Treatment: No Gemological Evidence of Heat Origin: Ceylon, Sri Lan

May 04, 2026

9.12 ct Ceylon Sapphire Shape: Cushion Measurem

Heritage Auctions

AN IMPERIAL ROSE QUARTZ TRIPOD CENSER AND COVER, QIANLONG PERIOD: AN IMPERIAL ROSE QUARTZ TRIPOD CENSER AND COVER, QIANLONG PERIOD Expert's note:The translucent stone is of a spectacular deep pink color with scattered white and light pink inclusions. The brilliance

Apr 16, 2026

AN IMPERIAL ROSE QUARTZ TRIPOD CENSER AND COVER, QIANLONG PERIOD

100.31 ct Paraiba-Type Tourmaline Shape: Pear M: 100.31 ct Paraiba-Type Tourmaline Shape: Pear Measurements: 33.03 x 28.60 x 18.56 mm Origin: Mozambique Report: GIA # 5231837997 HID03101062020

May 04, 2026

100.31 ct Paraiba-Type Tourmaline Shape: Pear M

Heritage Auctions

Polished XL BLUE LAPIS LAZULI with PYRITE Mineral Sphere, Weight: 9 lbs: XL Formed and Polished BLUE LAPIS LAZULI with PYRITE Mineral Sphere . It measures 5 3/8" in Diameter and the Total Weight is 9 lbs 9 oz. Lapis Lazuli is a deep blue metamorphic rock use

Polished XL BLUE LAPIS LAZULI with PYRITE Mineral Sphere, Weight: 9 lbs

Western Sportsman LLC

(7 bids)

(4) Polished GREEN BANDED ONYX Mineral Spheres, Weight: 1 lb: 4 Formed and Polished GREEN BANDED ONYX Mineral Spheres. They all measure approximately 2" in Diameter and the Total Weight is 1 lb 8 oz. Green Banded Onyx is a sedimentary stone composed of banded ca

(4) Polished GREEN BANDED ONYX Mineral Spheres, Weight: 1 lb

Western Sportsman LLC

(6 bids)

Polished ROSE QUARTZ Mineral Sphere, Weight: 1 lb: Formed and Polished ROSE QUARTZ Mineral Sphere. It measures 3.25" in Diameter and the Total Weight is 1 lb 13 oz. It comes with a plastic ring stand for display. Rose Quartz is known as the "love ston

Polished ROSE QUARTZ Mineral Sphere, Weight: 1 lb

Western Sportsman LLC

(4 bids)

49.46 Ct Natural Tibetian Blue Turquoise Pear Cab: Weight - 49.46 Ct / Size - 38.00 x 28.00 x 6.50 mm / Good Color / Pear Cabochon - Ready for Jewellery Setting / Origin - Arizona / Treatment - None

3 days Left

49.46 Ct Natural Tibetian Blue Turquoise Pear Cab

(3 bids)

14.71 Ct Natural London Blue Topaz Oval Cut Pair: Weight - 14.71 Ct / Size - 14.00 x 10.30 x 7.30 mm / 2 Pc's / Shape - Oval Cut / Color - Blue / Clarity - VVS / Origin - Brazil / Treatment - Irradiated

Apr 13, 2026

14.71 Ct Natural London Blue Topaz Oval Cut Pair

(2 bids)

Vtg Amethyst Stone Grape Cluster: Vintage amethyst stone grape cluster, featuring a metal stem & leaf. No visible signature or markings. Surface wear consistent to age, use & exposure. Measurements: length 4.3in x width 1.6in. Vintage

2 days Left

Vtg Amethyst Stone Grape Cluster

The Benefit Shop Foundation Inc.

(2 bids)

Vintage House Decor Petrified Wood Slab Sculpture: Large room decor petrified wood slab table sculpture, with stand. Approx. 11.3*6.7 inch (w/o stand).

Apr 18, 2026

Vintage House Decor Petrified Wood Slab Sculpture

Wealthier Art & Auction

(2 bids)

9.8ct Maine USA Sparhawk Teal Tourmaline Trillion Cut No Reserve GGL Certified: Significant specimen of American gemstone history. Sparhawk tourmalines are prized for their unique mint-green-teal color and were discovered at the Sparhawk mine in Poland, Maine, approximately 25–

Apr 23, 2026

9.8ct Maine USA Sparhawk Teal Tourmaline Trillion Cut No Reserve GGL Certified

California Gemstones

(2 bids)

Rare 3" Milnesand, Lincoln Co. Colorado. Motley COA. Great Early paleo flaking and heavy no brainer: Rare 3" Milnesand, Lincoln Co. Colorado. Motley COA. Great Early paleo flaking and heavy no brainer patina. Hard to find point type! Well flaked out of a beautiful orange-tan jasper.

Apr 19, 2026

Rare 3" Milnesand, Lincoln Co. Colorado. Motley COA. Great Early paleo flaking and heavy no brainer

Heartland Artifact Auctions

(2 bids)

2 Geodes, Amethyst (14"h x 8"w) & Lapis on Custom Stand (4 1/2"h x 7 1/2"w Geode): 2 Geodes, Amethyst (14"h x 8"w) & Lapis on Custom Stand (4 1/2"h x 7 1/2"w Geode)

Apr 21, 2026

2 Geodes, Amethyst (14"h x 8"w) & Lapis on Custom Stand (4 1/2"h x 7 1/2"w Geode)

Bill Hood & Sons Art & Antique Auctions

(2 bids)

3.16 Ct Natural Pinkish Red Ruby Square Cut: Weight - 3.16 Ct / Dimensions - 7.10 x 7.10 x 5.60 mm / Shape - Square Cut / Color - Red / Clarity - SI / Origin - Mozambique / Comments - Color Enhanced by Glass Filling

3 days Left

3.16 Ct Natural Pinkish Red Ruby Square Cut

(1 bid)

Natural Blue Sapphire 1.09 Ct. 5 Pcs. Round Shape 3.3 Mm. Gemstone From Madagascar: Product ID: 806012386 Product Name: Natural Blue Sapphire Weight: 1.09 CT. Size: 3.3 x 3.3 x 2.5 MM. Shape: Round Shape Color: Blue Clarity:SI1 Luster: Good Gems Origin: Madagascar Treatment: Heated C

4 days Left

Natural Blue Sapphire 1.09 Ct. 5 Pcs. Round Shape 3.3 Mm. Gemstone From Madagascar

Treasure of Gems & Jewelry

(1 bid)

Natural Blue Sapphire 1.45 Ct. 20 Pcs. Round Diamond Cut 2.5 Mm. Gemstones from Madagascar: Product ID: 806012154 Product Name: Natural Blue Sapphire Weight: 1.45 CT. Size: 2.5 x 2.5 x 1.6 MM. Shape: Round Diamond Cut Color: Blue Clarity:VVS-VSI Luster: Very Good Gems Origin: Madagascar Trea

4 days Left

Natural Blue Sapphire 1.45 Ct. 20 Pcs. Round Diamond Cut 2.5 Mm. Gemstones from Madagascar

Treasure of Gems & Jewelry

(1 bid)

Natural Pink Sapphire 0.25 Ct. Pear Shape 4.4 x 3.4 Mm. Gemstone From Tanzania: Product ID: 806140708 Product Name: Natural Pink Sapphire Weight: 0.25 CT. Size: 4.4 x 3.4 x 2.2 MM. Shape: Pear Color: Pink Clarity:VSI Luster: Very Good Gems Origin: Tanzania Treatment: Heated Cryst

4 days Left

Natural Pink Sapphire 0.25 Ct. Pear Shape 4.4 x 3.4 Mm. Gemstone From Tanzania

Treasure of Gems & Jewelry

(1 bid)

22.78 Ct Natural Lemon Quartz Fancy Half Moon Cut: Weight - 22.78 Ct / Dimensions - 25.00 x 14.30 x 11.00 mm / Top Quality Luster / Excellent Fancy Cut / Origin - Brazil / Treatment - None

Apr 13, 2026

22.78 Ct Natural Lemon Quartz Fancy Half Moon Cut

(1 bid)

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