Tim Lewis Fossils

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0.53ct Untreated Natural Fancy Diamond Loose Gemstone, 3BG: This fully polished untreated natural fancy diamond features inherent internal mineral markings characteristic of natural diamond formation, measured at calibrated dimensions of 5.2x4.6x3mm. Precision

2026

0.53ct Untreated Natural Fancy Diamond Loose Gemstone, 3BG

ThousandPlanetSathorn, Bangkok

8.11ct Natural Baltic Polished Loose Freeform Amber Gemstone, 91FL: This smoothly polished freeform amber piece carries warm translucent organic clarity with fine natural fossil flecks and tiny mineral inclusions suspended throughout its 16x13x11mm flowing unstructure

2026

8.11ct Natural Baltic Polished Loose Freeform Amber Gemstone, 91FL

ThousandPlanetSathorn, Bangkok

3.23 Ct Natural "UV" Color Change Scapo-Lazurite Oval Cut: Weight - 3.23 Ct / Dimensions - 12.60 x 9.60 x 5.30 mm / Shape - Oval Cut / Color - Blue / Clarity - SI / Origin - Afghanistan / Treatment - None

2026

3.23 Ct Natural "UV" Color Change Scapo-Lazurite Oval Cut

Gems AuctionBangkok, TH

13.51 Cts Natural Purple Amethyst Octagon Cut: Weight - 13.51 Ct / Dimensions - 14.80 x 12.40 x 9.80 mm / Shape - Octagon Cut / Color - Purple / Clarity - VVS / Origin -Brazil / Treatment - Heated

2026

13.51 Cts Natural Purple Amethyst Octagon Cut

Gems AuctionBangkok, TH

115.20 Ct Natural Green Malachite Oval Cab: Weight - 115.20 Ct / Dimensions - 46.00 x 34.00 x 6.70 mm / Shape - Oval cab / Color - Green / Transparency -Opaque / Origin - Russia / Treatment - None

2026

115.20 Ct Natural Green Malachite Oval Cab

Gems AuctionBangkok, TH

4.00 Ct Natural London Blue Topaz Octagon Cut: Weight - 4.00 Ct / Dimensions - 10.30 x 8.10 x 5.20 mm / Shape - Octagon Cut / Color - Blue / Clarity - VVS / Origin - Brazil / Treatment - Irradiated

2026

4.00 Ct Natural London Blue Topaz Octagon Cut

Gems AuctionBangkok, TH

2.08 Ct Natural Choco Smoky Quartz Square Octagon Cut Pair: Weight - 2.08 Ct / Size - 6.10 x 6.10 x 4.00 mm / 2 Pc's / Top Class Quality / Square Octagon Cut / Origin - Norway / Treatment - None

2026

2.08 Ct Natural Choco Smoky Quartz Square Octagon Cut Pair

Gems AuctionBangkok, TH

Awesome! Authentic Baby Pterosaur "Flying Dinosaur" Fossil in Matrix: This fossil is in excellent condition. This fossil is in excellent condition. This fossilized Pterosaur was found in the Yixian Formation, in Liaoning Province, China a couple of years ago. The specie

2026

Awesome! Authentic Baby Pterosaur "Flying Dinosaur" Fossil in Matrix

LEAP AuctionsSpringtown TX, TX

5 1/4 Lbs. Authentic Nantan Meteorite Fossil from the Fall of 1516: This Meteorite was recovered from Nantan Province, in China. The Meteorites that are found there in Nantan Province, were from the of 1516. This Meteorite will make a wonderful conversation piece.

2026

5 1/4 Lbs. Authentic Nantan Meteorite Fossil from the Fall of 1516

LEAP AuctionsSpringtown TX, TX

Huge 6 3/8" Megalodon Prehistoric Shark Highly Polished Fossil Tooth on Nice Display Stand: This Monster sized tooth came from a Megalodon that was over 63 feet long! The tooth is in pristine condition. It still has all of its enamel, and the serrations are still sharp. The tooth was polishe

2026

Huge 6 3/8" Megalodon Prehistoric Shark Highly Polished Fossil Tooth on Nice Display Stand

LEAP AuctionsSpringtown TX, TX

Authentic Rough Cut 1,028.1Cts. Natural Emerald Gemstone with Identification Report Card: This large chunk of Emerald Gemstone is what they look like when they come out of the mines. This one is from Columbia, and it can make a lot of necklaces, pendants, and beautiful rings.

2026

Authentic Rough Cut 1,028.1Cts. Natural Emerald Gemstone with Identification Report Card

LEAP AuctionsSpringtown TX, TX

Holmegaard Signed Per Lutken Sapphire Blue Art Glass Bowl: Marked on faceted pontil mark, UV Reactive, measures 4 x 12 1/2 inches

2026

Holmegaard Signed Per Lutken Sapphire Blue Art Glass Bowl

Matthew Bullock AuctioneersOttawa, IL

Rare Vintage CHARLES ALBERT Sterling Silver & Fossil Pendant: Very good vintage condition with wear and patina according to age. Measures approx. 4" long x 2 1/2" wide and weighs ca. 73.5 grams. Marked.

2026

Rare Vintage CHARLES ALBERT Sterling Silver & Fossil Pendant

Pandora AuctionsMiami, FL

Rare Vintage CHARLES ALBERT Sterling Silver, Gemstone & Fossil Pendant: Very good vintage condition with wear and patina according to age. Measures approx. 4" long x 1 1/2" wide and weighs ca. 31.5 grams. Marked.

2026

Rare Vintage CHARLES ALBERT Sterling Silver, Gemstone & Fossil Pendant

Pandora AuctionsMiami, FL

27.58ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 78FC: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2026

27.58ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 78FC

ThousandPlanetSathorn, Bangkok

2.74ct Natural Siamese 6-Ray Black Star Sapphire Loose Gemstone, 43BD: This polished star sapphire originates from classic Siamese mining deposits, featuring a deep dark crystalline base with fine native mineral traces trapped within its structure, sized at calibrated 8.

2026

2.74ct Natural Siamese 6-Ray Black Star Sapphire Loose Gemstone, 43BD

ThousandPlanetSathorn, Bangkok

28.83ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 84FC: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2026

28.83ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 84FC

ThousandPlanetSathorn, Bangkok

1.03ct Natural Mozambique Fancy Color Tourmaline Loose Gemstone, 79BD: This Mozambique fancy color tourmaline carries physical measurements of 7.5x4.8x2.8mm, representing a fine example of collectible fancy tourmaline sourced from established Mozambican mineral deposits

2026

1.03ct Natural Mozambique Fancy Color Tourmaline Loose Gemstone, 79BD

ThousandPlanetSathorn, Bangkok

2.08ct Natural Brazilian Sky Blue Faceted Aquamarine Loose Gemstone, 6BF: This precisely faceted aquamarine boasts clear translucent pale sky blue body tone with subtle thin mineral needle and tiny scattered crystalline specks visible within its polished reflective planes i

2026

2.08ct Natural Brazilian Sky Blue Faceted Aquamarine Loose Gemstone, 6BF

ThousandPlanetSathorn, Bangkok

14.30 Carats Natural Ceylon Warm Peach Moonstone Loose Gemstone, 88FE: This natural Ceylon moonstone has dimension measurements of 18.5x13.4x8.4mm, showcasing a smooth warm peach base tone paired with subtle soft adularescent sheen that glides gently across the polished

2026

14.30 Carats Natural Ceylon Warm Peach Moonstone Loose Gemstone, 88FE

ThousandPlanetSathorn, Bangkok

13.3ct Natural Mariam Jasper (Calligraphy Stone) Cabochon Loose Gemstone, 5AK: This fully polished Mariam Jasper, widely referred to as Calligraphy Stone, features deep plum base matrix interlaced with intricate golden ochre fossilized mineral veining that creates natural brushs

2026

13.3ct Natural Mariam Jasper (Calligraphy Stone) Cabochon Loose Gemstone, 5AK

ThousandPlanetSathorn, Bangkok

2.64ct Natural Brazilian Sky Blue Faceted Aquamarine Loose Gemstone, 18BC: This precisely faceted aquamarine boasts clear translucent pale sky blue body tone with subtle thin mineral needle and tiny scattered crystalline specks visible within its polished reflective planes i

2026

2.64ct Natural Brazilian Sky Blue Faceted Aquamarine Loose Gemstone, 18BC

ThousandPlanetSathorn, Bangkok

57ct 3pcs Natural Argentine Rhodochrosite Banded Tumbled Rough Set, 9FD: This listing features three individual tumbled rhodochrosite rough pieces sourced from Argentina Capillitas deposits, each showcasing distinct layered banding of soft rose pink, cream white and pale t

2026

57ct 3pcs Natural Argentine Rhodochrosite Banded Tumbled Rough Set, 9FD

ThousandPlanetSathorn, Bangkok

57.16ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 35FC: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2026

57.16ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 35FC

ThousandPlanetSathorn, Bangkok

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Fossils Auctions

Michoacan Pottery Figure - Seated Dignitary in Headdress

Prehistoric Complete Oreodont Femur Bone Fossil

18th c. Italian Engraving after Reni - Apollo & Aurora

Summer Marketplace | Ancient & Ethnographic

Artemis Fine Arts

Starts on:

Louisville, CO, US

5 days Left

HAND KNAPPED ARROWHEADS ROCK STONE LAPIDARY SPECIMEN

MIXED LOT ROCK STONE LAPIDARY SPECIMEN

GARNET AND PERIDOT ROCK STONE LAPIDARY SPECIMEN

TURQUOISE TREASURES Mineral Showcase B

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

1 hr Left

4 11/16" Thebes, Dickey COA, Calhoun Co., Illinois, Found Near the Illinois River

18" x 8 1/2" Large Mammoth Jaw and Tooth Fossil, Recovered from Alaskan Permafrost

10 3/4" Pre-Columbian Moche Culture Stirrup Vessel, Northern Coastal Peru

Pre-Columbian, Native American Artifacts

Heartland Artifact Auctions

Starts on:

Quincy, IL, US

19 hrs Left

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