Coral Fossils

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38.03ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 55YP: 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

38.03ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 55YP

Lazo HeritageBangkok, TH

23ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 69YQ: 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

23ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 69YQ

Lazo HeritageBangkok, TH

58.90ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 89YP: 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

58.90ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 89YP

Lazo HeritageBangkok, TH

2.70 Carats Natural Swiss Blue Topaz Loose Gemstone, 13WP: 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

2.70 Carats Natural Swiss Blue Topaz Loose Gemstone, 13WP

Lazo HeritageBangkok, TH

45ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 30YQ: 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

45ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 30YQ

Lazo HeritageBangkok, TH

30ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 78YQ: 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

30ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 78YQ

Lazo HeritageBangkok, TH

70.47ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 88YP: 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

70.47ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 88YP

Lazo HeritageBangkok, TH

69.74ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 29YP: 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

69.74ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 29YP

Lazo HeritageBangkok, TH

$0.66 Carats Natural Deep Blue Sapphire Faceted Loose Gemstone, 68YE: This specimen is composed of natural sapphire, finished with uniform faceting to optimize light refraction through its crystalline interior. The mineral carries rich deep blue colour saturation with s$

2026

0.66 Carats Natural Deep Blue Sapphire Faceted Loose Gemstone, 68YE

Lazo HeritageBangkok, TH

3.39ct Natural Siamese 6-Ray Black Star Sapphire Loose Gemstone, 14XY: This polished star sapphire originates from classic Siamese mining deposits, featuring a deep dark crystalline base with fine native mineral traces trapped within its structure, sized at calibrated 9.

2026

3.39ct Natural Siamese 6-Ray Black Star Sapphire Loose Gemstone, 14XY

Lazo HeritageBangkok, TH

46ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 28YQ: 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

46ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 28YQ

Lazo HeritageBangkok, TH

2.21 Carats Natural Green Rutilated Peridot Oval Faceted Loose Gemstone, 74WS: 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

2.21 Carats Natural Green Rutilated Peridot Oval Faceted Loose Gemstone, 74WS

Lazo HeritageBangkok, TH

2.61 Carats Natural Deep Teal Blue Kyanite Oval Faceted Loose Gemstone, 20WS: This well-proportioned oval faceted kyanite boasts rich saturated teal-cornflower blue hue radiating through crisp polished step facets, with characteristic fine natural mineral inclusions and tiny da

2026

2.61 Carats Natural Deep Teal Blue Kyanite Oval Faceted Loose Gemstone, 20WS

Lazo HeritageBangkok, TH

10.32ct Natural Mauritania Ruby Rough (Unheated), 73XE: 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

10.32ct Natural Mauritania Ruby Rough (Unheated), 73XE

Lazo HeritageBangkok, TH

14.50ct Natural Mauritania Ruby Rough (Unheated), 67XE: 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

14.50ct Natural Mauritania Ruby Rough (Unheated), 67XE

Lazo HeritageBangkok, TH

78.07ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 75YL: 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

78.07ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 75YL

Lazo HeritageBangkok, TH

1.19 Carats Natural Pale Green Tourmaline Oval Faceted Loose Gemstone, 50WS: This elegant oval faceted tourmaline features soft pale mint green hue shining through crisp polished facets, with tiny subtle natural mineral specks scattered within its clear transparent crystal, me

2026

1.19 Carats Natural Pale Green Tourmaline Oval Faceted Loose Gemstone, 50WS

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

$1.30 Carats Natural Green Tourmaline Oval Faceted Loose Gemstone, 71XZ: This specimen consists of natural tourmaline, finished with consistent faceting to facilitate light refraction through its crystalline body. The mineral holds rich green colour saturation with subtle$

2026

1.30 Carats Natural Green Tourmaline Oval Faceted Loose Gemstone, 71XZ

Lazo HeritageBangkok, TH

65.97ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 71YL: 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

65.97ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 71YL

Lazo HeritageBangkok, TH

68.81ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 31YP: 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

68.81ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 31YP

Lazo HeritageBangkok, TH

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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

1 day 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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