Modern Fossils

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13.24ct Natural Mauritania Ruby Rough (Unheated), 80XE: 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

13.24ct Natural Mauritania Ruby Rough (Unheated), 80XE

Lazo HeritageBangkok, TH

2.64 Carats Royal Blue Sapphire Square Emerald Cut Loose Gemstone, 35WS: This neat square emerald cut sapphire showcases deep, saturated royal blue color, enhanced by clean reflective step facets. Natural internal fine fissures and scattered tiny mineral specks can be obse

2026

2.64 Carats Royal Blue Sapphire Square Emerald Cut Loose Gemstone, 35WS

Lazo HeritageBangkok, TH

9.41 Carats Natural Brazilian Amethyst Loose Gemstone, 17WP: This natural Brazilian amethyst holds dimension readings of 14.8x14.2x9.5mm, a transparent crystalline quartz specimen sourced from Brazil's well-documented amethyst mineral formations that consistent

2026

9.41 Carats Natural Brazilian Amethyst Loose Gemstone, 17WP

Lazo HeritageBangkok, TH

54.90 Carats Natural Azurite - Free-Form Polished Cabochon Lot, 42XB: Natural azurite cabochon set, showcasing a stunning spectrum of deep blues, rich teals, and earthy brown matrix patinas, characteristic of high-quality azurite specimens. Each free-form cabochon featu

2026

54.90 Carats Natural Azurite - Free-Form Polished Cabochon Lot, 42XB

Lazo HeritageBangkok, TH

127.35 Carats Natural Garnet Rough Parcel, 100YH: This rich parcel of natural garnet rough displays deep saturated reddish-brown and fiery orange-red tones characteristic of almandine garnet, with natural translucent to semi-transparent crystalline s

2026

127.35 Carats Natural Garnet Rough Parcel, 100YH

Lazo HeritageBangkok, TH

2.45 Carat African Emerald Loose: Lot is for a beautiful 2.45 carat African Emerald.

2026

2.45 Carat African Emerald Loose

GOLDEN SUN AUCTIONS, Inc.Fullerton, CA

Assorted Amethyst Loose Gemstones: These are beautiful and assorted cuts of loose amethyst. One is rectangular and 24.02 carats with an appraisal from American Gemological Laboratory Inc. Three are without an appraisal.

2026

Assorted Amethyst Loose Gemstones

GOLDEN SUN AUCTIONS, Inc.Fullerton, CA

57.77ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 4YP: 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

57.77ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 4YP

Lazo HeritageBangkok, TH

87.56ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 84YP: 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

87.56ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 84YP

Lazo HeritageBangkok, TH

95.95 Carats Natural Rainbow Banded Fluorite Raw Rough Chunk, 98YR: This genuine natural fluorite rough features stunning curved layered bands of green, golden yellow and soft lavender-purple formed through natural hydrothermal crystal growth. One side retains raw unp

2026

95.95 Carats Natural Rainbow Banded Fluorite Raw Rough Chunk, 98YR

Lazo HeritageBangkok, TH

52ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 23YQ: 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

52ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 23YQ

Lazo HeritageBangkok, TH

22ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 64YQ: 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

22ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 64YQ

Lazo HeritageBangkok, TH

158.37 Carats Natural Royal Blue Sodalite Rough Stone, 88YR: This genuine natural sodalite rough exhibits soft blended royal blue mineral coloration mixed with pale crystalline matrix formed through natural igneous geological formation. Fine light mineral speck

2026

158.37 Carats Natural Royal Blue Sodalite Rough Stone, 88YR

Lazo HeritageBangkok, TH

131.15 Carats Natural Royal Blue Sodalite Rough Stone, 84YR: This genuine natural sodalite rough exhibits soft blended royal blue mineral coloration mixed with pale crystalline matrix formed through natural igneous geological formation. Fine light mineral speck

2026

131.15 Carats Natural Royal Blue Sodalite Rough Stone, 84YR

Lazo HeritageBangkok, TH

124.26 Carats Natural White Matrix Blue Sodalite Sliced Rough Stone, 67YR: This genuine natural sodalite sliced rough features rich deep blue mineral matrix interspersed with pale creamy white crystalline formations formed through igneous geological processes. Fine natural o

2026

124.26 Carats Natural White Matrix Blue Sodalite Sliced Rough Stone, 67YR

Lazo HeritageBangkok, TH

62.51 Carats Natural Royal Blue Sodalite Rough Stone, 26ZQ: This genuine natural sodalite rough exhibits soft blended royal blue mineral coloration mixed with pale crystalline matrix formed through natural igneous geological formation. Fine light mineral speck

2026

62.51 Carats Natural Royal Blue Sodalite Rough Stone, 26ZQ

Lazo HeritageBangkok, TH

3.42 Carats Natural Swiss Blue Topaz Loose Gemstone, 2WP: This genuine natural swiss blue topaz displays consistent saturated blue coloration inherent to unprocessed natural mineral specimens. Formed through natural geological formation, the stone carries su

2026

3.42 Carats Natural Swiss Blue Topaz Loose Gemstone, 2WP

Lazo HeritageBangkok, TH

1.58 Carats Natural Green Rutilated Peridot Oval Faceted Loose Gemstone, 71WS: This classic oval faceted peridot features a soft translucent pale olive green crystal filled with striking clusters of dark brown and black rutile needle silk that crisscross throughout the stone, wi

2026

1.58 Carats Natural Green Rutilated Peridot Oval Faceted Loose Gemstone, 71WS

Lazo HeritageBangkok, TH

1.20 Carats Mint Green Tourmaline Pear Cut - Natural Loose Gemstone, 48XC: This delicate pear-cut tourmaline showcases a soft, luminous mint-green hue, evoking the calm of sunlit seafoam or fresh spring foliage. Its crisp faceting creates a brilliant, sparkling play of light

2026

1.20 Carats Mint Green Tourmaline Pear Cut - Natural Loose Gemstone, 48XC

Lazo HeritageBangkok, TH

$0.97 Carats Natural Green Toned Moissanite Loose Gemstone, 53WP: This lab grown moissanite measures 6.5x4mm, crafted from silicon carbide material well known for exceptional refractive index that generates bright, multi-faceted light dispersion in all lighting envi$

2026

0.97 Carats Natural Green Toned Moissanite Loose Gemstone, 53WP

Lazo HeritageBangkok, TH

139ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 5YQ: 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

139ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 5YQ

Lazo HeritageBangkok, TH

3.28 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 88XL: This distinctive Koroit Yowah opal cabochon, calibrated to 12.2x9.1mm, features a dramatic tonal matrix of deep jet black and earthy chocolate brown, interwoven with striking veins of milky white and

2026

3.28 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 88XL

Lazo HeritageBangkok, TH

110ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 92YK: 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

110ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 92YK

Lazo HeritageBangkok, TH

29.68ct Natural Mauritania Ruby Rough (Unheated), 63XE: 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

29.68ct Natural Mauritania Ruby Rough (Unheated), 63XE

Lazo HeritageBangkok, TH

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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

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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