Stone Fossils

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0.21ct Untreated Natural Fancy Diamond Loose Gemstone, 81BH: This fully polished untreated natural fancy diamond features inherent internal mineral markings characteristic of natural diamond formation, measured at calibrated dimensions of 3.1x2.2mm. Precision f

2026

0.21ct Untreated Natural Fancy Diamond Loose Gemstone, 81BH

Sathorn, Bangkok

ThousandPlanet

4.5

(313)

Cast Petrified Wood Decorative Board: Cast petrified wood decorative board. Marked on underside, reads Ring Petrified Wd Brd. Made from resin to mimic the texture and crack details of petrified wood. Round shape. Dark and light tones. Som

2026

Cast Petrified Wood Decorative Board

Mount Kisco, NY

The Benefit Shop Foundation Inc.

4.4

(3.5k)

Natural White Brain Coral Specimen: A substantial white brain coral specimen, intact and. 7.5 inch diameter and 8 inch height.

2026

Natural White Brain Coral Specimen

Tallahassee, FL

Affiliated Auctions

4.6

(2k)

Natural Rhodonite Obelisk Tower Polished Pink Healing Crystal - 145.40 Grams - 80X20X19 mm: Natural Rhodonite Obelisk Tower Polished Pink Healing Crystal - 145.40 Grams - 80X20X19 mm Shipping: $33.00. Shipping rates are determined by Parcel weight and destination.

2026

Natural Rhodonite Obelisk Tower Polished Pink Healing Crystal - 145.40 Grams - 80X20X19 mm

Muscat, AE

Fantasy Jewelry

3.7

(155)

Marley Tech Amethyst Cab Ring (Size: 9): Marley Tech Amethyst Cab Ring (Size: 9)

2026

Marley Tech Amethyst Cab Ring (Size: 9)

Keyport, NJ

Emanon Auctions and Estate Sales

4.4

(2.5k)

5.40 Cts Natural Amethyst Gemstone, AAA Quality Purple Stone for Jewelry Making - 10X9X8 mm: 5.40 Cts Natural Amethyst Gemstone, AAA Quality Purple Stone for Jewelry Making - 10X9X8 mm SHI

2026

5.40 Cts Natural Amethyst Gemstone, AAA Quality Purple Stone for Jewelry Making - 10X9X8 mm

Muscat, AE

Fantasy Jewelry

3.7

(155)

1.65 Carats Natural rubelite Tourmaline - 8X6X5 mm: 1.65 Carats Natural rubelite Tourmaline - 8X6X5 mm SHIPPING: 23$ Worldwide

2026

1.65 Carats Natural rubelite Tourmaline - 8X6X5 mm

Muscat, AE

Fantasy Jewelry

3.7

(155)

2.80 Cts Natural Amethyst Loose Stone 10x6x6 mm Premium Purple Crystal AAA Faceted Amethyst Gemstone: Gemstone: 100% Natural AmethystCarat Weight: 2.80 CtsDimensions: 10 x 6 x 6 mmColor: Rich Vibrant PurpleCut: Premium Faceted emeraldClarity/Quality: Eye-clean, AAA QualityTreatment: None SHIPPING: 23$

2026

2.80 Cts Natural Amethyst Loose Stone 10x6x6 mm Premium Purple Crystal AAA Faceted Amethyst Gemstone

Muscat, AE

Fantasy Jewelry

3.7

(155)

3.35 Carats MInt Green Natural Peridot Gemstone - 9X8X6.5 mm: 3.35 Carats MInt Green Natural Peridot Gemstone - 9X8X6.5 mm SHIPPING: 23$ Worldwide

2026

3.35 Carats MInt Green Natural Peridot Gemstone - 9X8X6.5 mm

Muscat, AE

Fantasy Jewelry

3.7

(155)

1.50 Carats Greenish Blue Tourmaline Gemstone - 8X5X5 mm: 1.50 Carats Greenish Blue Tourmaline Gemstone - 8X5X5 mm SHIPPING: 23$ Worldwide

2026

1.50 Carats Greenish Blue Tourmaline Gemstone - 8X5X5 mm

Muscat, AE

Fantasy Jewelry

3.7

(155)

7.05 Carats Natural Asscher Cut Amethyst Loose Gemstone Premium Purple Gem - 12X12X8 mm: 7.05 Carats Natural Asscher Cut Amethyst Loose Gemstone Premium Purple Gem - 12X12X8 mm SHIPPING: 23$ Worldwide

2026

7.05 Carats Natural Asscher Cut Amethyst Loose Gemstone Premium Purple Gem - 12X12X8 mm

Muscat, AE

Fantasy Jewelry

3.7

(155)

5.72 Cts Natural Apple Green Chrysoprase Emerald Cut: Weight - 5.72 / Size : 14.20 x 10.20 x 4.10 mm / Stone Color - Green Transparent / Treatment - None / Origin - Africa

2026

5.72 Cts Natural Apple Green Chrysoprase Emerald Cut

Bangkok, TH

Gems Auction

4.7

(489)

15.93 Ct Natural Aventurine Pear Cab: weight - 15.93 Ct / Dimensions - 23.20 x 17.20 x 5.20 mm / Shape & Cut - Excellent Pear Cab / Origin - Brazil / Comments - None

2026

15.93 Ct Natural Aventurine Pear Cab

Bangkok, TH

Gems Auction

4.7

(489)

12.11 Ct Natural Rutile Prehnite Trillion Cut: Weight - 12.11 Ct / Size - 17.00 x 17.00 x 7.40 mm / Shape - Trillion Cut / Clarity - Transparent / Origin - Brazil / Treatment - None

2026

12.11 Ct Natural Rutile Prehnite Trillion Cut

Bangkok, TH

Gems Auction

4.7

(489)

9.34 Ct Natural Rutile Quartz Oval Cab: Weight - 9.34 Ct / Dimensions - 17.80 x 12.90 x 5.30 mm / Shape & Cut - Pear Cab / Transparency - Transparent / Origin - Norway / Comments - None

2026

9.34 Ct Natural Rutile Quartz Oval Cab

Bangkok, TH

Gems Auction

4.7

(489)

27.15 Ct Natural Fruit Jasper Quartz OVal Cab: weight - 27.15 Ct / Dimensions - 31.00 x 21.00 x 5.20 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - None

2026

27.15 Ct Natural Fruit Jasper Quartz OVal Cab

Bangkok, TH

Gems Auction

4.7

(489)

22.53 Ct Natural Chrome-Chalcedony Fancy Cab: weight - 22.53 Ct / Dimensions - 30.00 x 18.50 x 6.50 mm / Shape - Excellent Fancy Cab / Origin - Brazil / Treatment - None

2026

22.53 Ct Natural Chrome-Chalcedony Fancy Cab

Bangkok, TH

Gems Auction

4.7

(489)

20.45 Ct Natural Aventurine Pear Cab: weight - 20.45 Ct / Dimensions - 33.00 x 17.50 x 4.90 mm / Shape & Cut - Excellent Pear Cab / Origin - Brazil / Comments - None

2026

20.45 Ct Natural Aventurine Pear Cab

Bangkok, TH

Gems Auction

4.7

(489)

23.17 Ct Natural Kambaba Jasper Quartz OVal Cab: weight - 23.17 Ct / Dimensions - 29.00 x 20.00 x 4.90 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - None

2026

23.17 Ct Natural Kambaba Jasper Quartz OVal Cab

Bangkok, TH

Gems Auction

4.7

(489)

10.98 Ct Natural Colorless Quartz Round Cut Beads: Weight - 10.98 Ct / Dimensions - 6.60 - 6.90 mm / 11 pc's / Shape & Cut - Round Cut Beads / Transparency - VVS / Origin - Brazil / Comments - None

2026

10.98 Ct Natural Colorless Quartz Round Cut Beads

Bangkok, TH

Gems Auction

4.7

(489)

8.35 Ct Natural Seam Agate Fancy Cab: Weight - 8.35 Ct / Dimensions - 25.20 12.70 x 2.80 mm / Shape - Fancy Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

8.35 Ct Natural Seam Agate Fancy Cab

Bangkok, TH

Gems Auction

4.7

(489)

4.50 Ct Natural Pink Opal Oval Cab: weight - 4.50 Ct / Size - 12.00 x 10.00 x 5.80 mm / Shape - Excellent Oval Cab / Origin - Australia / Treatment - None

2026

4.50 Ct Natural Pink Opal Oval Cab

Bangkok, TH

Gems Auction

4.7

(489)

13.98 Ct Natural Moss Agate Pear cut: Weight - 13.98 Ct / Size -18.10 x 18.00 x 7.40 mm / Shape - Excellent Pear Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

13.98 Ct Natural Moss Agate Pear cut

Bangkok, TH

Gems Auction

4.7

(489)

1.19 Ct Natural Sphene Pear Cut: Weight - 1.19 Ct / Size - 8.50 x 6.20 x 3.50 mm / Shape - Pear Cut / Color - Deep Yellow / Clarity - SI / Origin - Myanmar / Treatment - None

2026

1.19 Ct Natural Sphene Pear Cut

Bangkok, TH

Gems Auction

4.7

(489)

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24

Fossils Auctions

Lovely All Natural Malachite Bowl, 488 grams

Stunning Spiny Lobster & Turquoise Inlayed Graduated Necklace

Beautiful Rainbow Fluorite Heart Shaped Dish, 302 grams

Late Summer Fossils, Minerals & Asian Art

Inspired Auctions

Starts on:

Brea, CA, US

Quimbaya Cast Gold Female Figure with Danglers, Colombia (115 gr)

Rare Dinocrocuta "Terrible Hyena" Fossil Skull, Central Asia

Anasazi Tularosa Black-on-White Bird Effigy Vessel

DAY 1 Pre-Columbian, Native American, Fossils

Artemis Fine Arts

Starts on:

Louisville, CO, US

2 days Left

Large Amethyst Formation wIth Calcite on Custom Stand

Kyanite and Quartz Cluster on Spinning Stand

Huge, Rare Chrysocolla and Quartz Formation

Fall Rock and Fossil Timed Clearance Auction

Fossils & Gemstones of Houston

Starts on:

Houston, TX, US

7 days Left

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