Fossils

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2.38 Carats Natural Deep Blue Loose Sapphire Oval Faceted Gemstone, 93XZ: Natural rich saturated blue corundum sapphire precision faceted loose gemstone, crafted with mixed brilliant facets to deliver strong light reflection and deep uniform blue color saturation. The cryst

2026

2.38 Carats Natural Deep Blue Loose Sapphire Oval Faceted Gemstone, 93XZ

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

2.11 Carats Royal Blue Sapphire Square Cushion Faceted Loose Gemstone, 1YW: This classic square cushion modified step cut faceted sapphire displays rich saturated royal blue color glowing through crisp polished multi-facet cuts, featuring natural fine internal fissures and ti

2026

2.11 Carats Royal Blue Sapphire Square Cushion Faceted Loose Gemstone, 1YW

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

58.71ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 25YL: 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

58.71ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 25YL

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

64ct 3pcs Natural Argentine Rhodochrosite Banded Tumbled Rough Set, 8YR: This listing features three individual tumbled rhodochrosite rough pieces sourced from Argentina Capillitas deposits, each showcasing distinct layered banding of soft rose pink, cream white and pale t

2026

64ct 3pcs Natural Argentine Rhodochrosite Banded Tumbled Rough Set, 8YR

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

13.98ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 82YP: 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

13.98ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 82YP

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

2.51 Carats Natural 6 Ray Blue Star Sapphire Loose Gemstone, 49XX: This star sapphire is crafted from natural corundum deposits and refined into a sleek polished cabochon form through professional lapidary finishing procedures. The distinct six-ray star asterism disp

2026

2.51 Carats Natural 6 Ray Blue Star Sapphire Loose Gemstone, 49XX

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

7.96 Carats Natural Deep Blue Lapis Lazuli Loose Gemstone, 9ZQ: This genuine natural lapis lazuli displays rich saturated royal blue coloration mixed with pale mineral veining formed through natural geological mineral formation. Fine native mineral flecks and subt

2026

7.96 Carats Natural Deep Blue Lapis Lazuli Loose Gemstone, 9ZQ

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

7.04ct Natural Pink Topaz Cushion Cut Matched Pair Loose Gemstones, 88TG: Natural pink topaz fashioned into a matched pair of cushion mixed cuts with polished table and brilliant pavilion facets. The stones display a saturated vivid hot pink body color with excellent transp

2026

7.04ct Natural Pink Topaz Cushion Cut Matched Pair Loose Gemstones, 88TG

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

3.04 Carats Natural Madagascar Ruby Emerald Cut Loose Gemstone, 85XM: This natural Madagascar ruby is fashioned in a traditional emerald step faceted cut, showcasing deep saturated red tones typical of Malagasy corundum. Distinct natural internal fissures, fine mineral

2026

3.04 Carats Natural Madagascar Ruby Emerald Cut Loose Gemstone, 85XM

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

5.12ct Natural Pink Topaz Cushion Cut Matched Pair Loose Gemstones, 96TG: Natural pink topaz fashioned into a matched pair of cushion brilliant cuts with polished table and symmetrical pavilion facets. The stones exhibit a saturated vivid hot pink body color with high trans

2026

5.12ct Natural Pink Topaz Cushion Cut Matched Pair Loose Gemstones, 96TG

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

35ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 50YQ: 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

35ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 50YQ

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

4.64ct Natural Pink Topaz Oval Cut Matched Pair Loose Gemstones, 98TG: Natural pink topaz fashioned into a matched pair of oval mixed cuts with polished table and well-defined pavilion facets. The stones display a saturated vivid hot pink body color with good transparenc

2026

4.64ct Natural Pink Topaz Oval Cut Matched Pair Loose Gemstones, 98TG

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

1.75 Carats Natural Ethiopian Welo Blue Fire Opal Oval Faceted Loose Gemstone, 92TS: This opal material is mined from the Welo deposits of Ethiopia and processed with professional faceted lapidary work with uniform polished facets across the gem surface. Natural subtle internal textur

2026

1.75 Carats Natural Ethiopian Welo Blue Fire Opal Oval Faceted Loose Gemstone, 92TS

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

4.69 Carats Natural Purple Amethyst Oval Faceted Pair Loose Gemstone, 27XX: Natural crystalline amethyst material processed with precision oval faceting for the matched gem pair, exhibiting rich saturated violet hue alongside subtle natural internal inclusions inherent to unt

2026

4.69 Carats Natural Purple Amethyst Oval Faceted Pair Loose Gemstone, 27XX

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

Loose Oval Cut Emerald Gemstone: Loose gemstone appears to be a natural emerald in an oval mixed-cut, featuring a saturated green hue. The stone contains prominent internal characteristics known as jardin, including visible fissures,

2026

Loose Oval Cut Emerald Gemstone

Hollywood, FL

Lion and Unicorn

4.7

(2.5k)

20.18ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 51YP: 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

20.18ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 51YP

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

35.58ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 19YL: 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

35.58ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 19YL

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

25ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 57YQ: 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

25ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 57YQ

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

162ct Natural Type A Burmese Jadeite Jade Sliced Rough, 30YR: 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

162ct Natural Type A Burmese Jadeite Jade Sliced Rough, 30YR

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

3.00 Carats Natural Pale Mint Green Heart Brilliant Cut Green Amethyst Loose Gemstone, 32XV: Natural transparent soft mint green prasiolite (green amethyst) expert heart brilliant cut loose gemstone, full multi-facet heart cut maximizes bright, crisp light sparkle, presenting a delicate cool

2026

3.00 Carats Natural Pale Mint Green Heart Brilliant Cut Green Amethyst Loose Gemstone, 32XV

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

24.78ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 21YP: 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

24.78ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 21YP

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

6.58 Carats Natural Deep Blue Lapis Lazuli Loose Gemstone, 6ZQ: This genuine natural lapis lazuli displays rich saturated royal blue coloration mixed with pale mineral veining formed through natural geological mineral formation. Fine native mineral flecks and subt

2026

6.58 Carats Natural Deep Blue Lapis Lazuli Loose Gemstone, 6ZQ

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

33.06 Carats Natural Snowflake Obsidian Oval Cabochon, 30XZ: Let me share with you this really nice parcel of snowflake obsidian, one smooth polished cabochon full of eye-catching natural markings! It's got a deep, jet-black glassy base, sprinkled all over with

2026

33.06 Carats Natural Snowflake Obsidian Oval Cabochon, 30XZ

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

27ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 54YQ: 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

27ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 54YQ

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

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24

Fossils Auctions

Lovely All Natural Malachite Bowl, 488 grams

Stunning Spiny Lobster & Turquoise Inlayed Graduated Necklace

Beautiful Rainbow Fluorite Heart Shaped Dish, 302 grams

Late Summer Fossils, Minerals & Asian Art

Inspired Auctions

Starts on:

Brea, CA, US

Quimbaya Cast Gold Female Figure with Danglers, Colombia (115 gr)

Rare Dinocrocuta "Terrible Hyena" Fossil Skull, Central Asia

Anasazi Tularosa Black-on-White Bird Effigy Vessel

DAY 1 Pre-Columbian, Native American, Fossils

Artemis Fine Arts

Starts on:

Louisville, CO, US

Large Amethyst Formation wIth Calcite on Custom Stand

Kyanite and Quartz Cluster on Spinning Stand

Huge, Rare Chrysocolla and Quartz Formation

Fall Rock and Fossil Timed Clearance Auction

Fossils & Gemstones of Houston

Starts on:

Houston, TX, US

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