Fossils

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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

2.51 Carats Natural Soft Pink Tourmaline Emerald Faceted Loose Gemstone, 49WS: This neat emerald faceted tourmaline carries delicate soft blush pink tone glowing through crisp polished step facets, with tiny faint natural micro specks evenly distributed inside the transparent cr

2026

2.51 Carats Natural Soft Pink Tourmaline Emerald Faceted Loose Gemstone, 49WS

Lazo HeritageBangkok, TH

36ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 72YQ: 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

36ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 72YQ

Lazo HeritageBangkok, TH

40.50ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 90YL: 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

40.50ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 90YL

Lazo HeritageBangkok, TH

2.58 Carats Natural Lavender Pink Tourmaline Pear Faceted Loose Gemstone, 56WS: This graceful pear faceted tourmaline boasts soft lavender pink tone shimmering through precisely polished facets, with natural fine internal veils and tiny mineral crystal inclusions visible within t

2026

2.58 Carats Natural Lavender Pink Tourmaline Pear Faceted Loose Gemstone, 56WS

Lazo HeritageBangkok, TH

1.51ct Natural Madagascar Soft Steel Blue Sapphire Oval Loose Faceted Gemstone, LZ297: This natural oval faceted sapphire mined in Madagascar weighs 1.51 carats with precise dimensions of 7.7x5.9x3.3mm. It features a muted soft steel-blue primary hue, with subtle translucent greyish und

2026

1.51ct Natural Madagascar Soft Steel Blue Sapphire Oval Loose Faceted Gemstone, LZ297

Lazo HeritageBangkok, TH

126.50 Carats Natural Garnet Rough Parcel, 98YH: 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

126.50 Carats Natural Garnet Rough Parcel, 98YH

Lazo HeritageBangkok, TH

29ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 75YQ: 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

29ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 75YQ

Lazo HeritageBangkok, TH

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

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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

6 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

1 day Left

Eimco Mucker Butte Montana Mine Mining Cart

Butte Special Beer Montana Lighted Sign

1888 Granite Montana Miners Union Ribbon

The Richest Hill on Earth - Day 1

Davis Brothers Auction

Starts on:

Missoula, MT, US

6 days Left

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