Coral Fossils

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36.73 Ct Natural Dendrite Opal Cushion Cab: weight - 36.73 Ct / Size - 33.00 x 33.00 x 5.10 mm / Shape - Excellent Cushion Cab / Origin - Brazil / Treatment - None

2026

36.73 Ct Natural Dendrite Opal Cushion Cab

Gems AuctionBangkok, TH

36.35 Ct Natural Flourite Oval Cab: Weight - 36.35 Ct / Dimensions - 32.00 x 20.90 x 6.00 mm / Shape & Cut - Oval Cab / Transparency - VVS / Origin - Brazil / Comments - None

2026

36.35 Ct Natural Flourite Oval Cab

Gems AuctionBangkok, TH

82.71 Ct Natural Afghanite Pear Cab: Weight - 82.71 Ct / Dimensions - 41.00 x 40.00 x 5.60 mm / Shape - Pear Cab / Transparency - Opaque / Origin - Pakistan / Treatment - None

2026

82.71 Ct Natural Afghanite Pear Cab

Gems AuctionBangkok, TH

31.76 Ct Natural Maligano Jasper Quartz OVal Cab: weight - 31.76 Ct / Dimensions - 31.00 x 21.90 x 5.70 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - None

2026

31.76 Ct Natural Maligano Jasper Quartz OVal Cab

Gems AuctionBangkok, TH

30.22 Ct Natural Tiger Eye Pear Cab: Weight - 30.22 Ct / Dimensions - 44.00 x 19.80 x 4.30 mm / Top Class Quality / Pear Cab / Origin - Burmese / Comments - None

2026

30.22 Ct Natural Tiger Eye Pear Cab

Gems AuctionBangkok, TH

2.36 Ct Natural Green Peridot Oval Cut: Weight - 2.36 Ct / Dimensions - 9.00 x 7.50 x 5.00 mm / Shape - Oval Cut / Color - Green / Clarity - VVS / Origin - Pakistan / Treatment - None

2026

2.36 Ct Natural Green Peridot Oval Cut

Gems AuctionBangkok, TH

8.93 Ct Natural Candy Turquoise Cushion Cab: Weight - 8.93 Ct / Dimensions - 18.00 x 10.40 x 4.50 mm / Good Color / Cushion Cab - Ready for Jewellery Setting / Origin - Egypt / Treatment - None

2026

8.93 Ct Natural Candy Turquoise Cushion Cab

Gems AuctionBangkok, TH

11.25 Ct Natural Multicolor Turquoise Cushion Cab: Weight - 11.25 Ct / Dimensions - 21.00 x 10.70 x 4.50 mm / Shape - Cushion Cab / Color - Multicolor / Transparency - Opaque / Origin - Egypt / Treatment - None

2026

11.25 Ct Natural Multicolor Turquoise Cushion Cab

Gems AuctionBangkok, TH

32.43 Ct Natural Chrome Chalcedony Oval Cab: Weight - 32.43 Ct / Size - 36.00 x 19.20 x 6.40 mm / Shape - Excellent Oval Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

32.43 Ct Natural Chrome Chalcedony Oval Cab

Gems AuctionBangkok, TH

45.25ct Natural Mauritania Ruby Rough (Unheated), 72XA: This unheated Mauritania ruby rough is a captivating natural crystal specimen, featuring vivid magenta-purple ruby formations embedded in a contrasting greyish matrix. The stone's rugged, unpolished s

2026

45.25ct Natural Mauritania Ruby Rough (Unheated), 72XA

ThousandPlanetSathorn, Bangkok

210ct Natural Blue Kyanite Rough Crystal - Unpolished Raw Gemstone for Lapidary & Healing, 49EB: This is a natural kyanite rough crystal, weighing 42g (210ct) and measuring approximately 6.1x2.4cm. The stone features distinct vertical striations and a beautiful gradient of blue hues, from pale sk

2026

210ct Natural Blue Kyanite Rough Crystal - Unpolished Raw Gemstone for Lapidary & Healing, 49EB

ThousandPlanetSathorn, Bangkok

20.46ct Natural Mauritania Ruby Rough (Unheated), 91AL: This unheated Mauritania ruby rough is a striking natural crystal specimen, featuring a rich, saturated magenta hue with subtle purple undertones that deepen toward the core. The rough's rugged, natur

2026

20.46ct Natural Mauritania Ruby Rough (Unheated), 91AL

ThousandPlanetSathorn, Bangkok

59.14 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ87: This impressive Winton boulder opal rough is a dramatic showcase of Australian opal's natural beauty. The rugged ironstone matrix forms a textured, earthy backdrop, interspersed with large, vibrant po

2026

59.14 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ87

ThousandPlanetSathorn, Bangkok

350 carats Natural Lapis Lazuli Rough, 45ZB: This is a natural, unpolished lapis lazuli rough specimen, exhibiting deep blue lazurite inclusions within a white calcite matrix, with minor pyrite flecks visible across the surface. The stone retain

2026

350 carats Natural Lapis Lazuli Rough, 45ZB

ThousandPlanetSathorn, Bangkok

2.55 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 11.8x6.8mm, 9XM: This striking 2.55-carat Koroit boulder opal cabochon is a natural geological masterpiece, featuring vivid veins of iridescent play-of-color that snake through a rich, dark ironstone matrix. The elong

2026

2.55 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 11.8x6.8mm, 9XM

ThousandPlanetSathorn, Bangkok

15.84ct Natural Mauritania Ruby Rough (Unheated), 78AM: This unheated Mauritania ruby rough is a captivating natural crystal specimen, featuring vivid magenta-purple ruby formations embedded in a contrasting greyish matrix. The stone's rugged, unpolished s

2026

15.84ct Natural Mauritania Ruby Rough (Unheated), 78AM

ThousandPlanetSathorn, Bangkok

10.84 Carats Iridescent Multicolor Boulder Opal - Natural Australian Stone, 52XM: This substantial boulder opal dazzles with a dynamic play of color, shifting through ethereal blues, violets, and subtle flashes of iridescent green and pink as light moves across its elongated, taper

2026

10.84 Carats Iridescent Multicolor Boulder Opal - Natural Australian Stone, 52XM

ThousandPlanetSathorn, Bangkok

42ct Natural Kingman Turquoise Rough - Arizona USA, 30ZB: This is a natural, unpolished Kingman turquoise rough specimen from Arizona, USA, featuring bright turquoise formations embedded within a dark, weathered host matrix. The stone retains its completely

2026

42ct Natural Kingman Turquoise Rough - Arizona USA, 30ZB

ThousandPlanetSathorn, Bangkok

17.14ct Natural Mauritania Ruby Rough (Unheated), 69AM: This unheated Mauritania ruby rough is a striking natural crystal specimen, featuring a rich, saturated magenta hue with subtle purple undertones that deepen toward the core. The rough's rugged, natur

2026

17.14ct Natural Mauritania Ruby Rough (Unheated), 69AM

ThousandPlanetSathorn, Bangkok

1.31 Carats Multi-Tone Star Sapphire Oval Cabochon - Natural Loose Gemstone, 39XC: This compact oval star sapphire presents a mesmerizing multi-tone display, with shifting hues of deep blue, subtle green, and soft grey tones that come alive under light. A bright, well-defined six-ra

2026

1.31 Carats Multi-Tone Star Sapphire Oval Cabochon - Natural Loose Gemstone, 39XC

ThousandPlanetSathorn, Bangkok

20.74 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 47XA: This vibrant collection of Welo opals features a stunning variety of translucent body tones, from milky white and soft cream to warm honey and golden-orange, each adorned with vivid, shifting color pl

2026

20.74 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 47XA

ThousandPlanetSathorn, Bangkok

20.32 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 53XA: This luminous collection of Welo opals showcases a rich spectrum of warm and cool translucent body tones, from milky white and soft cream to honey and golden amber, each adorned with vivid, shifting c

2026

20.32 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 53XA

ThousandPlanetSathorn, Bangkok

1.08 Carats Natural Tanzanite - Oval Faceted Loose Gemstone, 92WE: Natural oval-faceted tanzanite gemstone, mined from the iconic Merelani Hills of Tanzania. This specimen exhibits a stunning, vivid blue-violet hue with subtle pleochroism, shifting between cool blue

2026

1.08 Carats Natural Tanzanite - Oval Faceted Loose Gemstone, 92WE

ThousandPlanetSathorn, Bangkok

129.35 Carats Earthy Banded Jasper Cabochon Parcel - Natural Brazilian Stones 1.2-2.7cm, 70ZJ: This curated parcel of banded jasper cabochons showcases the earthy, organic beauty of this ancient stone, with swirling bands of warm beige, terracotta, and deep charcoal that evoke desert landscapes

2026

129.35 Carats Earthy Banded Jasper Cabochon Parcel - Natural Brazilian Stones 1.2-2.7cm, 70ZJ

ThousandPlanetSathorn, Bangkok

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24

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

15 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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