Coral Fossils

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9.14Ct Purple Amethyst - Polished Faceted , 1014E: Ksmith Heritage Auctioneers Subject: Natural Amethyst Origin: Brazil Carat Weight: 9.14Ct Dimension: 13x13x10.5 mm Treatment: Untreated Type: Faceted, Polished

2026

9.14Ct Purple Amethyst - Polished Faceted , 1014E

ThousandPlanetBangkok, TH

13.91Ct Lavender Amethyst - Polished Faceted , 691E: Ksmith Heritage Auctioneers Subject: Natural Lavender Amethyst Origin: Brazil Carat Weight: 13.91Ct Dimension: 16x14.1x9.5 mm Treatment: Untreated Type: Faceted, Polished<

2026

13.91Ct Lavender Amethyst - Polished Faceted , 691E

ThousandPlanetBangkok, TH

12.19Ct Pietersite Cabochon Pair - Gemstone Crystal - Oval Cabochon, 364B: Ksmith Heritage Auctioneers Subject: Natural Pietersite Origin: Namibia, South Africa Carat Weight: 12.19Ct Dimension: 14.1 x 10.1 x 5.3 mm Treatment: Natural Untreated Shape:

2026

12.19Ct Pietersite Cabochon Pair - Gemstone Crystal - Oval Cabochon, 364B

ThousandPlanetBangkok, TH

7.53cts Natural Rare Purple Sugilite Cabochon - No treated , 972E: Ksmith Heritage Auctioneers Subject: Natural Sugilite Origin: South Africa Carat Weight: 7.53Ct Dimension: 20.3x12.2x3.4 mm Treatment: No Treatment Type: Cabochon, Polishe

2026

7.53cts Natural Rare Purple Sugilite Cabochon - No treated , 972E

ThousandPlanetBangkok, TH

*24.26Ct Matrix Andamooka Opal Set - Australian Opal, 385B: Ksmith Heritage Auctioneers Subject: Natural Andamooka Opal Origin: Australia Carat Weight: 24.26Ct Dimension: 24.5x12.3x3.3 mm Treatment: Sugar Treated Type: Cabochon, Polishe

2026

*24.26Ct Matrix Andamooka Opal Set - Australian Opal, 385B

ThousandPlanetBangkok, TH

29.82Ct Lemon Carving Quartz - Polished Carving, 1229B: Ksmith Heritage Auctioneers Subject: Natural Lemon Quartz Origin: Brazil Carat Weight: 29.82Ct Dimension: 22.7x18.4x11.8 mm Treatment: Untreated Type: Carving, Polished

2026

29.82Ct Lemon Carving Quartz - Polished Carving, 1229B

ThousandPlanetBangkok, TH

Australian Lightning Ridge Crystal Black Opal Rough Chip Jar (Good For Display), 1028B: Ksmith Heritage Auctioneers Subject: Natural Australian Opal Origin: Australia Quantity: 1 Jar as photo

2026

Australian Lightning Ridge Crystal Black Opal Rough Chip Jar (Good For Display), 1028B

ThousandPlanetBangkok, TH

*20.94Ct Matrix Andamooka Opal Set - Australian Opal, 527B: Ksmith Heritage Auctioneers Subject: Natural Andamooka Opal Origin: Australia Carat Weight: 20.94Ct Dimension: 27.4x15.4x3.4 mm Treatment: Sugar Treated Type: Cabochon, Polishe

2026

*20.94Ct Matrix Andamooka Opal Set - Australian Opal, 527B

ThousandPlanetBangkok, TH

*3.38Ct Natural Watermelon Tourmaline - Bi-Colour Faceted Cut, 151C: Ksmith Heritage Auctioneers Subject: Natural Tourmaline Origin: Africa Carat Weight: 3.38 Ct Dimension: 16.1x5.1x4.1 mm Type: Faceted, Polished

2026

*3.38Ct Natural Watermelon Tourmaline - Bi-Colour Faceted Cut, 151C

ThousandPlanetBangkok, TH

90.02Ct Pietersite Slab - Gemstone Crystal - Freeform Slice, 1024B: Ksmith Heritage Auctioneers Subject: Natural Pietersite Origin: Namibia, South Africa Carat Weight: 90.02Ct Dimension: 55.1 x 35.1 x 5.1 mm Treatment: Natural Untreated Shape:

2026

90.02Ct Pietersite Slab - Gemstone Crystal - Freeform Slice, 1024B

ThousandPlanetBangkok, TH

4.43cts Natural Watermelon Tourmaline - Bi-Colour Faceted Cut , 1210E: Ksmith Heritage Auctioneers Subject: Natural Tourmaline Origin: Africa Carat Weight: 4.43cts Dimension: 12.8x8.9x4.3 mm Type: Faceted, Polished

2026

4.43cts Natural Watermelon Tourmaline - Bi-Colour Faceted Cut , 1210E

ThousandPlanetBangkok, TH

3.73cts Natural Watermelon Tourmaline - Bi-Colour Faceted Cut, 371B: Ksmith Heritage Auctioneers Subject: Natural Tourmaline Origin: Africa Carat Weight: 3.73cts Dimension: 11.9x6.6x4.6 mm Type: Faceted, Polished

2026

3.73cts Natural Watermelon Tourmaline - Bi-Colour Faceted Cut, 371B

ThousandPlanetBangkok, TH

4.23g Mexican Geode Druzy - Mineral Rough , 212E: Ksmith Heritage Auctioneers Subject: Natural Mexican Geode Druzy Origin: Mexico Carat Weight: 4.23g Dimension: 16x14 mm Treatment: Natural Untreated Shape: Freeform

2026

4.23g Mexican Geode Druzy - Mineral Rough , 212E

ThousandPlanetBangkok, TH

3.11cts 6 Rays Black Star Sapphire Pair , 1118E: Ksmith Heritage Auctioneers Subject: Natural 6 Rays Star Sapphire Origin: Myanmar Carat Weight: 3.11cts Dimension: 7.9x6.2x3.1 mm Treatment: Diffusion Type: Cabochon, Poli

2026

3.11cts 6 Rays Black Star Sapphire Pair , 1118E

ThousandPlanetBangkok, TH

*12.91Ct Black Rutiled Quartz - Polished Faceted , 252C: Ksmith Heritage Auctioneers Subject: Natural Black Rutiled Quartz Carat Weight: 12.91 Ct Dimension: 17x16.1x8.8 mm

2026

*12.91Ct Black Rutiled Quartz - Polished Faceted , 252C

ThousandPlanetBangkok, TH

4.33cts Natural Watermelon Tourmaline - Bi-Colour Faceted Cut , 744E: Ksmith Heritage Auctioneers Subject: Natural Tourmaline Origin: Africa Carat Weight: 4.33 cts Dimension: 11.5x8.7x4.8 mm Type: Faceted, Polished

2026

4.33cts Natural Watermelon Tourmaline - Bi-Colour Faceted Cut , 744E

ThousandPlanetBangkok, TH

Lot of Fossils, Arrowheads, Primitive Stones.: There are 42 pieces total. Overall, this lot looks to be in nice cosmetic condition. The largest item measures 2 7/8" x 2" x 1/2". The smallest item measures 7/8" x 5/8" x 1/4". In-house shipping is a

2026

Lot of Fossils, Arrowheads, Primitive Stones.

Direct Auction Galleries Chicago, IL

Albert de Grossouvre – Paleontological Study of Ammonite Fossils – Collotype / Heliogravure: "Pl. XXIX" presents a concise scientific paleontological study showcasing several prehistoric ammonite fossil specimens. The composition displays different lateral and ventral views of the fossilized

2026

Albert de Grossouvre – Paleontological Study of Ammonite Fossils – Collotype / Heliogravure

Proverde AuctionsAvignon, Provence-Alpes-C?te d?Azur

Albert de Grossouvre – Study of Ammonite Fossils – Collotype / Heliogravure (1894): "Pl. III" presents a concise scientific paleontological study showcasing several prehistoric ammonite fossil specimens. The composition displays different lateral, ventral, and edge views of the fossi

2026

Albert de Grossouvre – Study of Ammonite Fossils – Collotype / Heliogravure (1894)

Proverde AuctionsAvignon, Provence-Alpes-C?te d?Azur

Albert de Grossouvre – Paleontological Study of Fossils – Collotype / Heliogravure (1894): "Pl. XXXVI" presents a concise scientific paleontological study showcasing several prehistoric ammonite fossil specimens. The composition displays different views of the fossilized cephalopod shells,

2026

Albert de Grossouvre – Paleontological Study of Fossils – Collotype / Heliogravure (1894)

Proverde AuctionsAvignon, Provence-Alpes-C?te d?Azur

Albert de Grossouvre – Paleontological Study of Prehistoric Fossils – Collotype / Heliogravure: "Pl. VIII" presents a concise scientific paleontological study showcasing several prehistoric ammonite fossil specimens. The composition displays different lateral and keel views of the fossilized cep

2026

Albert de Grossouvre – Paleontological Study of Prehistoric Fossils – Collotype / Heliogravure

Proverde AuctionsAvignon, Provence-Alpes-C?te d?Azur

George Shaw (1751–1813) – Ichthyological Study of the Lump Fish – Engraving (1803): The Lump Fish presents a concise scientific ichthyological study showcasing a single fish specimen from a lateral perspective. The composition displays the marine creature rendered with characteristic

2026

George Shaw (1751–1813) – Ichthyological Study of the Lump Fish – Engraving (1803)

Proverde AuctionsAvignon, Provence-Alpes-C?te d?Azur

Lot of Seashells, Coral, & Starfish - Up to 7".: The lot contains over 85 items. Some of the specimens included are Cymbiola Vespertilio, Humpback Cowries, Lambis, Magpie, Fasciolaria Tulipa, Chicoreus Ramosus, Murex, Sea Biscuit, and more. One shel

2026

Lot of Seashells, Coral, & Starfish - Up to 7".

Direct Auction Galleries Chicago, IL

Lot: Geodes, Flint, Other Primitive Stones.: Overall, the lot looks to be in good condition. Some items are polished, most are not. The largest item measures 3 1/2" x 3 5/8" x 2 1/4". The smallest item measures 1 1/8" x 3/4" x 1/8". In-house shi

2026

Lot: Geodes, Flint, Other Primitive Stones.

Direct Auction Galleries Chicago, IL

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Fossils Auctions

Jurassic Period Giant Fossil Ammonite | Southern France | 31" Intact Spiral

Monumental 17th C. Chinese Wood Sculpture of Guanyin

18th C. Cusco School Oratorio Portátil, Viceregal Peru, ex-Holler & Saunders

Fine Fossils, Native American, Asian, Ethno

Artemis Fine Arts

Starts on:

Louisville, CO, US

13 hrs Left

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

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

4 days Left

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