Stone Fossils

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34.92 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 42XP: This striking Winton boulder opal rough slab showcases a vivid, iridescent patch of emerald-green and electric-blue play-of-color, set against a soft sky-blue opal base and encased in a rugged ironsto

2026

34.92 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 42XP

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

17.32 Carats Winton Boulder Opal Rough - Natural Australian Stone, 37XP: This substantial Winton boulder opal rough showcases a striking band of ethereal sky-blue and aqua-green play-of-color, nestled within its natural ironstone host rock. Measuring precisely at 29.3 x 11

2026

17.32 Carats Winton Boulder Opal Rough - Natural Australian Stone, 37XP

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

4.47 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 14.8x8.5mm, 5XM: This striking 4.47-carat Koroit boulder opal cabochon is a natural geological masterpiece, featuring delicate, branching veins of iridescent play-of-color that snake through a deep, chocolate-brown ir

2026

4.47 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 14.8x8.5mm, 5XM

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

42.94 Carats Winton Boulder Opal Rough Slab - Natural Australian Opal, 41XP: This museum-grade Winton boulder opal rough slab presents a dramatic canvas of mesmerizing seafoam-green and sky-blue iridescence, embedded within its natural ironstone matrix. Measuring a substantial

2026

42.94 Carats Winton Boulder Opal Rough Slab - Natural Australian Opal, 41XP

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

11.79 Carats Winton Boulder Opal Rough - Broad Blue-Green Play-of-Color Specimen, 33XM: This 11.79ct Winton boulder opal rough, measuring 18x9mm, is a striking example of Australia's iconic gemstone, showcasing the raw beauty of nature's artistry. The specimen retains its natural ironsto

2026

11.79 Carats Winton Boulder Opal Rough - Broad Blue-Green Play-of-Color Specimen, 33XM

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

2.40 Carats Natural Ethiopian Welo Opal - Rectangle Cabochon Loose Gemstone Lot, 6WE: Natural rectangle cabochon Welo opal lot, sourced from the premium Welo deposit in Ethiopia. This curated collection features 3 exceptional opals with translucent, milky white bases, each alive with v

2026

2.40 Carats Natural Ethiopian Welo Opal - Rectangle Cabochon Loose Gemstone Lot, 6WE

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

11.90ct Winton Boulder Opal Rough - Multicolored Play-of-Color Specimen, 32XM: This 11.90ct Winton boulder opal rough, measuring 17x13mm, is a striking example of Australia's iconic gemstone, showcasing the raw beauty of nature's artistry. The specimen retains its natural ironst

2026

11.90ct Winton Boulder Opal Rough - Multicolored Play-of-Color Specimen, 32XM

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

21.04 Carats Winton Boulder Opal Rough Slice - Natural Australian Stone, 43XP: This substantial Winton boulder opal rough slice showcases a striking horizontal band of vivid sky-blue and cerulean play-of-color, nestled within its natural ironstone host rock. Measuring precisely

2026

21.04 Carats Winton Boulder Opal Rough Slice - Natural Australian Stone, 43XP

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

29.01 Carats Winton Boulder Opal Rough Slab - Natural Australian Opion, 35XP: This striking 29.01ct Winton boulder opal rough slab boasts a mesmerizing blend of aquatic blue and seafoam-green iridescence, embedded within its natural ironstone matrix. Measuring a substantial 27

2026

29.01 Carats Winton Boulder Opal Rough Slab - Natural Australian Opion, 35XP

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

5.82 Carats Blue Sapphire - Oval Faceted Gemstone, 88WE: Oval faceted blue sapphire gemstone, crafted from sapphire material. The stone exhibits a rich, deep royal blue hue with subtle tonal variations and natural internal inclusions characteristic of genui

2026

5.82 Carats Blue Sapphire - Oval Faceted Gemstone, 88WE

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

12.80 Carats Iridescent Sky Blue Winton Opal Rough - Natural Australian Specimen 18x11mm, 80XM: This exceptional rough opal from Winton, Australia, captivates with a vivid play of color, where intense flashes of sky blue and subtle turquoise swirl through a milky, translucent base. The natural,

2026

12.80 Carats Iridescent Sky Blue Winton Opal Rough - Natural Australian Specimen 18x11mm, 80XM

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

Tourmaline 11.70Ct Natural Unheated Tourmaline Green Color Rough Nigeria Mine LOT, 281B: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

2026

Tourmaline 11.70Ct Natural Unheated Tourmaline Green Color Rough Nigeria Mine LOT, 281B

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

Dendrite Opal 3.98Ct Fancy Cut Natural Faceted Dendrite Opal, 1200MZ: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

2026

Dendrite Opal 3.98Ct Fancy Cut Natural Faceted Dendrite Opal, 1200MZ

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

Tourmaline 113.15Ct Large Natural Pink Green Tourmaline Rough Nigeria Mine, 251A: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

2026

Tourmaline 113.15Ct Large Natural Pink Green Tourmaline Rough Nigeria Mine, 251A

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

22.40Ct Natural Freshwater Rainbow Freeform Pearl, 838A: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

2026

22.40Ct Natural Freshwater Rainbow Freeform Pearl, 838A

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

4.41CTS Natural Hessonite Garnet Step Cut Pair for Jewelry Making, 648MZ: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

2026

4.41CTS Natural Hessonite Garnet Step Cut Pair for Jewelry Making, 648MZ

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

11.74Ct Natural Labradorite Hand Carved Cut Gemstone, 552B: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

2026

11.74Ct Natural Labradorite Hand Carved Cut Gemstone, 552B

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

Tourmaline 10.65Ct Natural Unheated Tourmaline Green Color Rough Nigeria Mine LOT, 1115B: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

2026

Tourmaline 10.65Ct Natural Unheated Tourmaline Green Color Rough Nigeria Mine LOT, 1115B

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

5.25Ct Natural Green Moss Agate - India Gemstone - Oval Faceted, 247MZ: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

2026

5.25Ct Natural Green Moss Agate - India Gemstone - Oval Faceted, 247MZ

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

15.43Ct Natural Green Moss Agate In Lot - India Gemstone - Step Cut Faceted, 380MZ: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

2026

15.43Ct Natural Green Moss Agate In Lot - India Gemstone - Step Cut Faceted, 380MZ

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

Blue Sapphire 2.26Ct Rectangle Cut Natural Thailand Blue Sapphire, 1149B: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

2026

Blue Sapphire 2.26Ct Rectangle Cut Natural Thailand Blue Sapphire, 1149B

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

Aquamarine 8.92Ct Natural Blue Aquamarine Smooth Cabochon (OT6979), 572A: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

2026

Aquamarine 8.92Ct Natural Blue Aquamarine Smooth Cabochon (OT6979), 572A

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

Lab Grown 3.02 ct, Color E/VS2 IGI Graded Diamond: Lab/Natural Diamond: Lab Carat Weight: 3.02 Color Grade: E Clarity Grade: VS2 Model: CUSHION Fluorescence: None Polish: EX Symmetry: EX Depth: 66.4 Table: 66 Size: 10.15-7.62*5.06 Certificate Number:

2026

Lab Grown 3.02 ct, Color E/VS2 IGI Graded Diamond

Robinhood AuctionsLas Vegas, NV

Pink Stone Sculpture of a Nude Rock Climber, Signed: Contemporary Pink Stone Sculpture of a Nude Rock Climber, Signed. Unusual sculpture of a naked man climbing a natural chunk of pink stone, possibly rose quartz or marble. Signed Pfieffer 2005. Dimensi

2026

Pink Stone Sculpture of a Nude Rock Climber, Signed

PUBLIC SALEHudson, NY

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Fossils Auctions

Saber-Toothed Tiger Fossil Skull, Late Miocene — Complete Dentition

Mimbres Black-on-White Pottery Bowl - Standing Woman, Kill Hole

Persian Siljuk Bronze Lamp Stand, Khorasan Region

Fine Fossils, Native American, Asian, Ethno

Artemis Fine Arts

Starts on:

Louisville, CO, US

7 days Left

Michoacan Pottery Figure - Seated Dignitary in Headdress

Prehistoric Complete Oreodont Femur Bone Fossil

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

VARIETY SALE Pre-Columbian, Ethnographic Art

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

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