Coral Fossils

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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

365 carats Natural Lapis Lazuli Rough, 44ZB: This is a natural, unpolished lapis lazuli rough specimen, displaying varying shades of blue lazurite within a pale calcite matrix, with visible pyrite flecks scattered across the surface. The stone r

2026

365 carats Natural Lapis Lazuli Rough, 44ZB

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 52g, 89WS: This collection of raw opal rough hails from Australia's legendary Lightning Ridge, showcasing the region's iconic play-of-color potential. The stones exhibit a range of natural hues, from milky white

2026

Natural Australian Lightning Ridge Opal Rough, 52g, 89WS

ThousandPlanetSathorn, Bangkok

35.82ct Natural Mauritania Ruby Rough (Unheated), 60XA: 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

35.82ct Natural Mauritania Ruby Rough (Unheated), 60XA

ThousandPlanetSathorn, Bangkok

2.72 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 11x8mm, 30XC: This captivating Welo opal gleams with a luminous cascade of multi neon color that ripple across the stone's surface with every movement. The play-of-color is vivid and well-distributed, presenting a

2026

2.72 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 11x8mm, 30XC

ThousandPlanetSathorn, Bangkok

Lot of 9 Grape Agate Mineral Specimens, 96AC: A group of nine natural grape agate specimens, each displaying characteristic botryoidal chalcedony formations in varying shades of purple, lavender, and greenish-blue. The surfaces are composed of de

2026

Lot of 9 Grape Agate Mineral Specimens, 96AC

ThousandPlanetSathorn, Bangkok

147.36 Carats Natural Garnet Rough Parcel, 40XE: This substantial parcel of natural garnet rough showcases a rich, warm spectrum of hues, from deep reddish-brown and burgundy to vibrant amber and honey-orange tones. The stones are in their raw, crys

2026

147.36 Carats Natural Garnet Rough Parcel, 40XE

ThousandPlanetSathorn, Bangkok

17.63ct Natural Mauritania Ruby Rough (Unheated), 87XA: 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

17.63ct Natural Mauritania Ruby Rough (Unheated), 87XA

ThousandPlanetSathorn, Bangkok

2.82 Carats Certified Orange Pink Sapphire - Natural Ceylon Gemstone, LZ113: This enchanting 2.82 carat oval faceted sapphire captivates with a delicate orange-pink hue, a rare and sought-after shade that evokes the soft glow of a tropical sunrise. The precision oval cut enhan

2026

2.82 Carats Certified Orange Pink Sapphire - Natural Ceylon Gemstone, LZ113

ThousandPlanetSathorn, Bangkok

Ethiopian Welo Opal Rough - Natural Unpolished Gemstone Lot, 15WS: A collection of natural Ethiopian Welo opal rough pieces, ranging in size from 1-3 cm and totaling 49.42 grams. The opals display characteristic milky to translucent base tones with vibrant, shifting

2026

Ethiopian Welo Opal Rough - Natural Unpolished Gemstone Lot, 15WS

ThousandPlanetSathorn, Bangkok

23.95 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 36XP: This striking Winton boulder opal rough slab showcases a luminous band of ethereal sky-blue and pale aqua play-of-color, nestled within its natural ironstone host rock. Measuring precisely at 27.6 x 1

2026

23.95 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 36XP

ThousandPlanetSathorn, Bangkok

23.75ct Natural Mauritania Ruby Rough (Unheated), 48AM: 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

23.75ct Natural Mauritania Ruby Rough (Unheated), 48AM

ThousandPlanetSathorn, Bangkok

25.72ct Natural Mauritania Ruby Rough (Unheated), 78XA: 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

25.72ct Natural Mauritania Ruby Rough (Unheated), 78XA

ThousandPlanetSathorn, Bangkok

129.02 Carats Natural Garnet Rough Parcel, 41XE: This substantial parcel of natural garnet rough showcases a rich, warm spectrum of hues, from deep reddish-brown and burgundy to vibrant amber and honey-orange tones. The stones are in their raw, crys

2026

129.02 Carats Natural Garnet Rough Parcel, 41XE

ThousandPlanetSathorn, Bangkok

124.68 Carats Natural Garnet Rough Parcel, 39XE: This substantial parcel of natural garnet rough showcases a rich, warm spectrum of hues, from deep reddish-brown and burgundy to vibrant amber and honey-orange tones. The stones are in their raw, crys

2026

124.68 Carats Natural Garnet Rough Parcel, 39XE

ThousandPlanetSathorn, Bangkok

156.91 Carats Multicolor Moonstone Selection - Natural Mixed-Origin Stones, 15-22mm, 56XH: This substantial parcel of natural moonstone showcases a dreamy palette of whites, silvers, smoky greys, and peachy taupes, each polished into a smooth cabochon with soft internal glow. The stones exh

2026

156.91 Carats Multicolor Moonstone Selection - Natural Mixed-Origin Stones, 15-22mm, 56XH

ThousandPlanetSathorn, Bangkok

109.08 Carats Midnight Blue Goldstone Cabochon Parcel 1.7-2cm, 74ZJ: This luminous parcel of midnight blue goldstone cabochons shimmers with a celestial sparkle, evoking the quiet magic of a starry night sky. Each oval cabochon, sized between 1.7 and 2 centimeters, glo

2026

109.08 Carats Midnight Blue Goldstone Cabochon Parcel 1.7-2cm, 74ZJ

ThousandPlanetSathorn, Bangkok

170.38 Carats Natural Garnet Rough Parcel, 38XE: This generous parcel of natural garnet rough showcases a rich palette of warm hues, ranging from deep reddish-brown to vibrant orange and honey tones. The stones are in their natural crystalline form,

2026

170.38 Carats Natural Garnet Rough Parcel, 38XE

ThousandPlanetSathorn, Bangkok

SOLD

Antique Southwest Native Metate Grinding Stone: Antique Southwest Native Metate Grinding Stone 8"x15". Tripod footed volcanic stone grinding surface. Overall excellent condition for its age. 19th century or older.

2026

Antique Southwest Native Metate Grinding Stone

MBA Seattle Auction HouseRenton, WA

Extinct Moa Egg & Fragmentary Shell Pieces: South Pacific, New Zealand., before 1380 CE. Remarkably rare and as seen remarkably fragile. There are only some 36 whole Moa eggs in existence, and this may make 37. Large egg - about the size of an

2026

Extinct Moa Egg & Fragmentary Shell Pieces

Artemis Fine ArtsLouisville, CO

Complete Fossilized Cave Bear Skull - Choice!: Eastern Europe, Romania, Pleistocene., ca. 40,000 - 24,000 BCE. A skull from a prehistoric European cave bear (Ursus spelaeus)- fossilized with the canine and molar teeth intact- this is one of the be

2026

Complete Fossilized Cave Bear Skull - Choice!

Artemis Fine ArtsLouisville, CO

KYANITE ROCK STONE LAPIDARY SPECIMEN: KYANITE ROCK STONE LAPIDARY SPECIMEN — Part of our Discover The Grand Reveal, Crystals and Gems auction at HATMAN'S Auctions! Please see photos for measurements and condition. YES, we have in-house

2026

KYANITE ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

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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

16 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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