Fossils

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92ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 5FC: 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

92ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 5FC

ThousandPlanetSathorn, Bangkok

23.24ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 46AY: 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

23.24ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 46AY

ThousandPlanetSathorn, Bangkok

3.11ct Natural Brazilian Sky Blue Faceted Aquamarine Loose Gemstone, 100BD: This precisely faceted aquamarine boasts clear translucent pale sky blue body tone with subtle thin mineral needle and tiny scattered crystalline specks visible within its polished reflective planes i

2026

3.11ct Natural Brazilian Sky Blue Faceted Aquamarine Loose Gemstone, 100BD

ThousandPlanetSathorn, Bangkok

1.44 Carats Natural Mozambique Paraiba Color Tourmaline Loose Gemstone, 23AK: This transparent Mozambique tourmaline features bright Paraiba-style cool aqua-green body tone, filled with subtle natural fine mineral specks and faint native internal fissures throughout its crystal

2026

1.44 Carats Natural Mozambique Paraiba Color Tourmaline Loose Gemstone, 23AK

ThousandPlanetSathorn, Bangkok

0.20ct Natural Untreated Salt And Pepper Round Rose Cut Diamond Loose Gemstone, 51BH: This polished natural salt and pepper diamond features a translucent pale base naturally scattered with distinctive dark mineral speckles and inclusions throughout its crystal interior, measured at ca

2026

0.20ct Natural Untreated Salt And Pepper Round Rose Cut Diamond Loose Gemstone, 51BH

ThousandPlanetSathorn, Bangkok

0.20ct Untreated Natural Fancy Diamond Loose Gemstone, 66BH: This fully polished untreated natural fancy diamond features inherent internal mineral markings characteristic of natural diamond formation, measured at calibrated dimensions of 3.7x3.1x2.3mm. Precisi

2026

0.20ct Untreated Natural Fancy Diamond Loose Gemstone, 66BH

ThousandPlanetSathorn, Bangkok

2.07ct Natural Ethiopian Welo Black Smoked Faceted Opal, 12EB: This fully faceted finished opal specimen displays vivid shifting play of color across polished geometric facets within its 11.1x8.6x5.8mm calibrated dimensions, the dark base body amplifies light mov

2026

2.07ct Natural Ethiopian Welo Black Smoked Faceted Opal, 12EB

ThousandPlanetSathorn, Bangkok

Ancient Sasanian Persian Natural Peach Calcite Recumbent Ram Amulet (224-651 CE), 32AB: Smoothly carved pale peach calcite recumbent ram talisman, featuring neatly incised curved detailing on spiral horns to delineate texture. The stone holds a soft ancient polish with faint natural mine

2026

Ancient Sasanian Persian Natural Peach Calcite Recumbent Ram Amulet (224-651 CE), 32AB

ThousandPlanetSathorn, Bangkok

2.50ct Natural Australian Blue Sapphire Loose Gemstone Parcel, 91BV: This parcel consists of natural blue sapphire originating from Australia. The stones display varied cool blue tonal variation across the crystal material, polished with fine faceting to maximise light

2026

2.50ct Natural Australian Blue Sapphire Loose Gemstone Parcel, 91BV

ThousandPlanetSathorn, Bangkok

29.62ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 33FC: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2026

29.62ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 33FC

ThousandPlanetSathorn, Bangkok

29.11ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 61FC: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2026

29.11ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 61FC

ThousandPlanetSathorn, Bangkok

1.01ct Natural Australian Teal Faceted Sapphire Loose Gemstone, 7BA: This skillfully faceted sapphire features rich saturated body tone with fine microscopic mineral inclusions scattered evenly across its polished reflective planes within its 7.5x5.9x2.2mm calibrated d

2026

1.01ct Natural Australian Teal Faceted Sapphire Loose Gemstone, 7BA

ThousandPlanetSathorn, Bangkok

117ct Natural Kingman Turquoise Rough - Arizona USA, 25FD: This is a natural, unpolished Kingman turquoise rough specimen from Arizona, USA, with subtle greenish-blue hues visible within a naturally weathered host matrix. The stone retains its completely unmo

2026

117ct Natural Kingman Turquoise Rough - Arizona USA, 25FD

ThousandPlanetSathorn, Bangkok

68.57ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 51AX: 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

68.57ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 51AX

ThousandPlanetSathorn, Bangkok

28.92ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 55FC: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2026

28.92ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 55FC

ThousandPlanetSathorn, Bangkok

1.07ct Natural Mozambique Fancy Color Tourmaline Loose Gemstone, 76BD: This Mozambique fancy color tourmaline carries physical measurements of 6.7x4.6x3.5mm, representing a fine example of collectible fancy tourmaline sourced from established Mozambican mineral deposits

2026

1.07ct Natural Mozambique Fancy Color Tourmaline Loose Gemstone, 76BD

ThousandPlanetSathorn, Bangkok

272ct Natural Type A Burmese Jadeite Jade Sliced Rough, 61AZ: 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

272ct Natural Type A Burmese Jadeite Jade Sliced Rough, 61AZ

ThousandPlanetSathorn, Bangkok

153ct Natural Type A Burmese Jadeite Jade Sliced Rough, 18FB: 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

153ct Natural Type A Burmese Jadeite Jade Sliced Rough, 18FB

ThousandPlanetSathorn, Bangkok

1.10ct Natural Mozambique Fancy Color Tourmaline Loose Gemstone, 66AS: This Mozambique fancy color tourmaline carries physical measurements of 7.6x4.2x3.4mm, representing a fine example of collectible fancy tourmaline sourced from established Mozambican mineral deposits

2026

1.10ct Natural Mozambique Fancy Color Tourmaline Loose Gemstone, 66AS

ThousandPlanetSathorn, Bangkok

$1.03ct Natural Cambodian White Zircon Loose Gemstone, 4BA: This fully polished Cambodian white zircon displays a crisp colorless transparent crystal body with faint microscopic mineral specks scattered within its high-refraction interior, measured at calibrat$

2026

1.03ct Natural Cambodian White Zircon Loose Gemstone, 4BA

ThousandPlanetSathorn, Bangkok

3.93ct Natural Madagascan Faceted Grandidierite Rare Loose Gemstone, 46BF: This expertly faceted finished grandidierite holds soft translucent body tone with fine faint natural internal veining visible beneath precisely cut reflective facets within its 11x8.8x5.9mm calibrate

2026

3.93ct Natural Madagascan Faceted Grandidierite Rare Loose Gemstone, 46BF

ThousandPlanetSathorn, Bangkok

0.19ct Untreated Natural Fancy Diamond Loose Gemstone, 4BG: This fully polished untreated natural fancy diamond features inherent internal mineral markings characteristic of natural diamond formation, measured at calibrated dimensions of 4.6x2.9x2mm. Precision

2026

0.19ct Untreated Natural Fancy Diamond Loose Gemstone, 4BG

ThousandPlanetSathorn, Bangkok

32.5ct Natural Mauritania Ruby Rough (Unheated), 58AT: Natural unheated ruby rough recovered from Mauritanian mineral deposits, exhibiting distinct tabular crystalline cleavage planes characteristic of corundum raw material. The specimen displays saturate

2026

32.5ct Natural Mauritania Ruby Rough (Unheated), 58AT

ThousandPlanetSathorn, Bangkok

7.12ct Natural Pakistani Himalayan Peridot Parcel Loose Gemstones, 35BE: This matched parcel of polished Himalayan peridot originates from Pakistan's renowned mountain mining regions, showcasing vibrant lime-green body saturation, with fine native mineral inclusions natura

2026

7.12ct Natural Pakistani Himalayan Peridot Parcel Loose Gemstones, 35BE

ThousandPlanetSathorn, Bangkok

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Fossils Auctions

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

7 days Left

HAND KNAPPED ARROWHEADS ROCK STONE LAPIDARY SPECIMEN

MIXED LOT ROCK STONE LAPIDARY SPECIMEN

GARNET AND PERIDOT ROCK STONE LAPIDARY SPECIMEN

TURQUOISE TREASURES Mineral Showcase B

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, 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

3 days Left

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