Stone Fossils

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83ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 8FC: This unpolished mineral rough is natural ruby zoisite sourced from Tanzania, exhibiting distinct banded mineral segregation of vibrant green zoisite, magenta ruby crystals, and dark hornblende inclusi

2026

83ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 8FC

ThousandPlanetSathorn, Bangkok

0.12ct Untreated Natural Fancy Diamond Loose Gemstone, 87BH: This fully polished untreated natural fancy diamond features inherent internal mineral markings characteristic of natural diamond formation, measured at calibrated dimensions of 3.7x2.8x1.8mm. Precisi

2026

0.12ct Untreated Natural Fancy Diamond Loose Gemstone, 87BH

ThousandPlanetSathorn, Bangkok

0.21ct Untreated Natural Fancy Diamond Loose Gemstone, 82BH: This fully polished untreated natural fancy diamond features inherent internal mineral markings characteristic of natural diamond formation, measured at calibrated dimensions of 2.9x2.8x2.5mm. Precisi

2026

0.21ct Untreated Natural Fancy Diamond Loose Gemstone, 82BH

ThousandPlanetSathorn, Bangkok

36ct Natural Brazilian Phantom Quartz Oval Cabochon Loose Gemstone, 86BL: This smoothly polished cabochon of natural phantom quartz preserves delicate layered phantom crystal formations enclosed inside transparent quartz host. The domed polished surface offers unobstructed

2026

36ct Natural Brazilian Phantom Quartz Oval Cabochon Loose Gemstone, 86BL

ThousandPlanetSathorn, Bangkok

Lot of misc. geos and fossils: Lot of misc. geos and fossils, 0.4"x0.65"x0.18" - 5.3"x5.4"x0.9" (box:1.7"x9.65"x5.85")

2026

Lot of misc. geos and fossils

International Auction GalleryAnaheim, CA

69.91ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 92AY, 92AY: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

69.91ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 92AY, 92AY

ThousandPlanetSathorn, Bangkok

3.63ct Natural Unheated Burmese Blue Star Sapphire Oval Cabochon Loose Gemstone, 47BQ: This smoothly polished oval cabochon features natural Burmese blue star sapphire, formed with densely aligned rutile needle inclusions required to produce asterism. The gently domed surface is expertl

2026

3.63ct Natural Unheated Burmese Blue Star Sapphire Oval Cabochon Loose Gemstone, 47BQ

ThousandPlanetSathorn, Bangkok

2.12 Carats Natural Mozambique Soft Pastel Pink Tourmaline Loose Gemstone, 21AK, 21AK: This translucent Mozambique tourmaline holds gentle muted pink saturation, accented with delicate natural internal fissures and fine mineral trace inclusions that mark its unmodified natural crystal s

2026

2.12 Carats Natural Mozambique Soft Pastel Pink Tourmaline Loose Gemstone, 21AK, 21AK

ThousandPlanetSathorn, Bangkok

40.58ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 88AX, 88AX: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

40.58ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 88AX, 88AX

ThousandPlanetSathorn, Bangkok

3.47ct Natural Unheated Burmese Blue Star Sapphire Oval Cabochon Loose Gemstone, 48BQ: This smoothly polished oval cabochon features natural Burmese blue star sapphire, formed with densely aligned rutile needle inclusions required to produce asterism. The gently domed surface is expertl

2026

3.47ct Natural Unheated Burmese Blue Star Sapphire Oval Cabochon Loose Gemstone, 48BQ

ThousandPlanetSathorn, Bangkok

124ct Natural Type A Burmese Jadeite Jade Sliced Rough, 55FB: This specimen is a sliced rough block of natural Type A Burmese jadeite jade. The interior displays natural colour zoning with visible mineral veining and crystalline patterns typical of unprocessed j

2026

124ct Natural Type A Burmese Jadeite Jade Sliced Rough, 55FB

ThousandPlanetSathorn, Bangkok

51ct Natural Brazilian Phantom Quartz Oval Cabochon Loose Gemstone, 22BM, 22BM: This smoothly polished cabochon of natural phantom quartz preserves delicate layered phantom crystal formations enclosed inside transparent quartz host. The domed polished surface offers unobstructed

2026

51ct Natural Brazilian Phantom Quartz Oval Cabochon Loose Gemstone, 22BM, 22BM

ThousandPlanetSathorn, Bangkok

2.45ct Natural Brazilian Soft Sky Blue Faceted Aquamarine Loose Gemstone, 4AS, 4AS: This expertly faceted aquamarine carries a gentle soft sky blue translucent body with faint fine natural internal mineral markings visible through its polished reflective facets within its 9.3x8.3x4.9

2026

2.45ct Natural Brazilian Soft Sky Blue Faceted Aquamarine Loose Gemstone, 4AS, 4AS

ThousandPlanetSathorn, Bangkok

0.23ct Untreated Natural Fancy Diamond Loose Gemstone, 83BH: This fully polished untreated natural fancy diamond features inherent internal mineral markings characteristic of natural diamond formation, measured at calibrated dimensions of 3.2x3x2.4mm. Precision

2026

0.23ct Untreated Natural Fancy Diamond Loose Gemstone, 83BH

ThousandPlanetSathorn, Bangkok

Large collection of seashells: Large collection of seashells

2026

Large collection of seashells

International Auction GalleryAnaheim, CA

2.65ct Natural Brazilian Soft Sky Blue Faceted Aquamarine Loose Gemstone, 10AS, 10AS: This expertly faceted aquamarine carries a gentle soft sky blue translucent body with faint fine natural internal mineral markings visible through its polished reflective facets within its 10.9x8.9x4.

2026

2.65ct Natural Brazilian Soft Sky Blue Faceted Aquamarine Loose Gemstone, 10AS, 10AS

ThousandPlanetSathorn, Bangkok

0.33ct Untreated Natural Fancy Diamond Loose Gemstone, 91BH: This fully polished untreated natural fancy diamond features inherent internal mineral markings characteristic of natural diamond formation, measured at calibrated dimensions of 5.1x4x2.6mm. Precision

2026

0.33ct Untreated Natural Fancy Diamond Loose Gemstone, 91BH

ThousandPlanetSathorn, Bangkok

Lot of large shells: Lot of large shells, 7.5"x3.2"x2.75" - 8.35"x6.65"x2.8"

2026

Lot of large shells

International Auction GalleryAnaheim, CA

40ct Natural Brazilian Phantom Quartz Oval Cabochon Loose Gemstone, 61BM, 61BM: This smoothly polished cabochon of natural phantom quartz preserves delicate layered phantom crystal formations enclosed inside transparent quartz host. The domed polished surface offers unobstructed

2026

40ct Natural Brazilian Phantom Quartz Oval Cabochon Loose Gemstone, 61BM, 61BM

ThousandPlanetSathorn, Bangkok

33ct Natural Brazilian Black Rutile Quartz Cabochon Loose Gemstone, 53BM, 53BM: This polished cabochon of natural rutile quartz features countless distinct slender black rutile needle inclusions suspended within the clear quartz host crystal. The smooth domed surface enables full

2026

33ct Natural Brazilian Black Rutile Quartz Cabochon Loose Gemstone, 53BM, 53BM

ThousandPlanetSathorn, Bangkok

6.20ct Natural Unheated Burmese Blue Star Sapphire Oval Cabochon Loose Gemstone, 56BQ: This smoothly polished oval cabochon features natural Burmese blue star sapphire, formed with densely aligned rutile needle inclusions required to produce asterism. The gently domed surface is expertl

2026

6.20ct Natural Unheated Burmese Blue Star Sapphire Oval Cabochon Loose Gemstone, 56BQ

ThousandPlanetSathorn, Bangkok

16.93ct Natural Baltic Polished Loose Freeform Amber Gemstone, 56AT, 56AT: This smoothly polished freeform amber piece carries warm translucent organic clarity with fine natural fossil flecks and tiny mineral inclusions suspended throughout its 38x17mm flowing unstructured s

2026

16.93ct Natural Baltic Polished Loose Freeform Amber Gemstone, 56AT, 56AT

ThousandPlanetSathorn, Bangkok

Pr. of Iridescent Ammolite Fossil Specimens: Pr. of Iridescent Ammolite Fossil Specimens, 3.5in by 3.5in, Fossil: 1.25in

2026

Pr. of Iridescent Ammolite Fossil Specimens

Bryant Art AuctionPlacentia, CA

Half-Ammonite Fossil and Polished Carnelian Specim: Half-Ammonite Fossil and Polished Carnelian Specimen, 3in by 2.5in

2026

Half-Ammonite Fossil and Polished Carnelian Specim

Bryant Art AuctionPlacentia, CA

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Fossils Auctions

Large Chancay Male Cuchimilco Figure, Peru

Anasazi Tularosa Style Storage Olla, Cibola Tradition

Mojave Glass Beaded Netted Collar

ARTE & ARTEMIS Pre-Columbian, Native American

Artemis Fine Arts

Starts on:

Louisville, CO, US

18 hrs Left

Large Congo Shrine Leopard Figure, Painted

Large Macginitiea Nobilis Fossil Leaf, Fort Union Formation, Paleocene

16th C. Franco-Flemish Stained Glass Panel, Pieta

ARTE & ARTEMIS Tribal, Ethnographic, Ancient

Artemis Fine Arts

Starts on:

Louisville, CO, US

2 days 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

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