Fossil Fossils

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Natural Australian Lightning Ridge Opal Rough, 62g, 97WS: This collection of raw opal rough hails from Australia's legendary Lightning Ridge, showcasing the region's iconic play-of-color potential. The stones exhibit a range of natural hues, from milky white

2026

Natural Australian Lightning Ridge Opal Rough, 62g, 97WS

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 80g, 95WS: This collection of raw opal rough hails from Australia's legendary Lightning Ridge, showcasing the region's iconic play-of-color potential. The stones exhibit a range of natural hues, from milky white

2026

Natural Australian Lightning Ridge Opal Rough, 80g, 95WS

ThousandPlanetSathorn, Bangkok

53.39 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ95: This striking Winton boulder opal rough showcases the dramatic beauty of Australian boulder opal at its finest. The polished face reveals a large, continuous sheet of opal glowing with shifting hues o

2026

53.39 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ95

ThousandPlanetSathorn, Bangkok

420Ct Natural Type A Burmese Jadeite Jade Rough Stone - Green Raw Material, 10ZB: Natural Type A Burmese jadeite rough stone, displaying a rich green hue with areas of natural weathered skin. The stone retains its uncut, raw form, showcasing natural mineral inclusions and surface t

2026

420Ct Natural Type A Burmese Jadeite Jade Rough Stone - Green Raw Material, 10ZB

ThousandPlanetSathorn, Bangkok

5.61 Carats Color-Flecked Koroit Boulder Opal - Natural Australian Stone, LZ45: This magnificent 5.61 carat Koroit boulder opal, measuring 15.2mm x 10.9mm x 3.2mm, is a breathtaking showcase of nature's complexity. Polished into a smooth oval cabochon, its face features a rich, t

2026

5.61 Carats Color-Flecked Koroit Boulder Opal - Natural Australian Stone, LZ45

ThousandPlanetSathorn, Bangkok

1.146 Carats Certified Dark Purple Orangy Spinel - Natural Gemstone, LZ268: This singular oval mixed-cut spinel captivates with a deep purple hue infused with warm, orangy undertones, creating a rich, velvety appearance that shifts subtly under light. The stone's faceting enh

2026

1.146 Carats Certified Dark Purple Orangy Spinel - Natural Gemstone, LZ268

ThousandPlanetSathorn, Bangkok

19.65ct Natural Mauritania Ruby Rough (Unheated), 81XA: This unheated Mauritania ruby rough is a striking natural crystal specimen, featuring a rich, saturated magenta hue with subtle purple undertones that deepen toward the core. The rough's rugged, natur

2026

19.65ct Natural Mauritania Ruby Rough (Unheated), 81XA

ThousandPlanetSathorn, Bangkok

11.62 Carats Iridescent Blue-Green Winton Opal Rough - Natural Australian Specimen 22x10mm, 90XM: This exceptional rough opal from Winton, Australia, captivates with a vivid play of color, where intense flashes of electric green and deep celestial blue swirl through a milky, translucent base. The

2026

11.62 Carats Iridescent Blue-Green Winton Opal Rough - Natural Australian Specimen 22x10mm, 90XM

ThousandPlanetSathorn, Bangkok

27.47 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ90: This striking Winton boulder opal rough showcases the dramatic beauty of Australian boulder opal. The polished face reveals a broad sheet of opal glowing with shifting hues of deep cobalt blue, violet

2026

27.47 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ90

ThousandPlanetSathorn, Bangkok

59.14 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ88: This impressive Winton boulder opal rough is a striking example of Australian opal's dramatic natural beauty. The substantial ironstone matrix forms a rugged, earthy base, with a broad, polished face

2026

59.14 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ88

ThousandPlanetSathorn, Bangkok

25.72ct Natural Mauritania Ruby Rough (Unheated), 66XA: This unheated Mauritania ruby rough is a captivating natural crystal specimen, showcasing a rich, saturated magenta-purple hue embedded in a rugged, contrasting matrix. The stone's elongated, natural

2026

25.72ct Natural Mauritania Ruby Rough (Unheated), 66XA

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 36g, 92WS: This collection of raw opal rough hails from Australia's legendary Lightning Ridge, showcasing the region's iconic play-of-color potential. The stones exhibit a range of natural hues, from milky white

2026

Natural Australian Lightning Ridge Opal Rough, 36g, 92WS

ThousandPlanetSathorn, Bangkok

19.83 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ93: This striking Winton boulder opal rough showcases the dramatic beauty of Australian boulder opal. The polished face reveals a vivid sheet of opal glowing with intense, saturated hues of electric viole

2026

19.83 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ93

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 60g, 96WS: This collection of raw opal rough hails from Australia's legendary Lightning Ridge, showcasing the region's iconic play-of-color potential. The stones exhibit a range of natural hues, from milky white

2026

Natural Australian Lightning Ridge Opal Rough, 60g, 96WS

ThousandPlanetSathorn, Bangkok

81.88 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ91: This impressive Winton boulder opal rough is a stunning example of Australian boulder opal's rugged beauty. The ironstone matrix forms a dark, textured backdrop, with scattered patches and veins of op

2026

81.88 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ91

ThousandPlanetSathorn, Bangkok

22.89ct Natural Mauritania Ruby Rough (Unheated), 84XA: This unheated Mauritania ruby rough is a striking natural crystal specimen, featuring a rich, saturated magenta hue with subtle purple undertones that deepen toward the core. The rough's rugged, natur

2026

22.89ct Natural Mauritania Ruby Rough (Unheated), 84XA

ThousandPlanetSathorn, Bangkok

An Australian Koroit Yowah Boulder Opal Rough Lot, 46.85g, 48ZH: A parcel of rough Koroit Yowah boulder opal, with individual pieces ranging from 3-4 cm in size, totaling 46.85 grams. The specimens are characterized by their ironstone host rock matrix, which displa

2026

An Australian Koroit Yowah Boulder Opal Rough Lot, 46.85g, 48ZH

ThousandPlanetSathorn, Bangkok

Three amethyst and marble boxes: Three amethyst and marble boxes Late 20th century Each with marble interior and brass hinge 3 pieces Largest: 1.625" H x 6.125" W x 4.25" D; Smallest: 1.375" H x 4" W x 2.75" D

2026

Three amethyst and marble boxes

John Moran Auctioneers, Inc.Monrovia, CA

Friedrich Justin Bertuch – Ichthyological Illustration of Sharks and an Angelshark: "Bilderbuch für Kinder" features three distinct shark species oriented horizontally against a neutral background. The top figure illustrates a speckled brown catshark variety with prominent dorsal fi

2026

Friedrich Justin Bertuch – Ichthyological Illustration of Sharks and an Angelshark

Dahlstroms AuctioneerAvignon, Provence-Alpes-Cote d'Azur

9.00 Carat --- San Benito Benitoite --- Pear Cut --- AGSL Certified: A 9.00-carat San Benito Benitoite with a pear cut is an extraordinary and significant gemstone, as gem-quality benitoite over 2 carats is considered extremely rare. Benitoite is the official Californi

2026

9.00 Carat --- San Benito Benitoite --- Pear Cut --- AGSL Certified

California GemstonesSan Diego, CA

2.89 Carat --Brazilian Purple Amethyst --Pear Mixed Cut --IGI Certified: A medium-sized, high-quality gemstone characterized by its distinctive teardrop shape and rich violet hues. Sourced from renowned mines in Brazil, such as those in Minas Gerais or Bahia, these stones

2026

2.89 Carat --Brazilian Purple Amethyst --Pear Mixed Cut --IGI Certified

California GemstonesSan Diego, CA

5.23 Carat --- Amethyst --- Oval Cut --- Certified: Eye catching gemstone. Known for its rich violet-to-purple hues, this certified gem is highly valued for statement jewelry like rings and pendants

2026

5.23 Carat --- Amethyst --- Oval Cut --- Certified

California GemstonesSan Diego, CA

10.00 Carat Myanmar Pigeon Blood Ruby Round Cut No Reserve GGI Certified: Characterized by a deep, vivid red color with slight fluorescence, originating from the Mogok region. This high-carat, untreated stone is prized for their saturated, fiery hue, exhibiting a round cut

2026

10.00 Carat Myanmar Pigeon Blood Ruby Round Cut No Reserve GGI Certified

California GemstonesSan Diego, CA

11.25 Carat --- Ceylon Pink Sapphire--- Emerald Step Cut --- EGL Certified: Investment-grade gemstone combines exceptional size, a highly desirable origin, and a sophisticated geometric cut.

2026

11.25 Carat --- Ceylon Pink Sapphire--- Emerald Step Cut --- EGL Certified

California GemstonesSan Diego, CA

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Fossils Auctions

Beautiful Malachite Dish, 454 grams

Quartz Carved Cockatoos on Pyrite Cluster, 104 grams

Fine Ancient Meteorite Specimen

Summer Jewelry, Fossils and Minerals Auction

Inspired Auctions

Starts on:

Brea, CA, US

6 days Left

MIXED LOT ROCK STONE LAPIDARY SPECIMEN

QUARTZ WIRE TREE EARRINGS ROCK STONE LAPIDARY SPECIMEN

JEWELRY SALE! ROCK STONE LAPIDARY SPECIMEN

NATURAL HISTORY BULK ROCK LAPIDARY

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

3 days Left

2 13/16" Saddle Bannerstone, Granite with Porphyry Material, Morrow Co., Ohio, Ex. Randy Bauer,

4 1/8" Ocala Point, LaSalle Co., Illinois, Ex. Larry VanBibber, Ex. Brian Wrage, Motley COA

2 1/8" Fishtail Dalton, Tupelo, Arkansas, Found by John Middlebrook

Native American, Pre-Columbian Artifacts

Heartland Artifact Auctions

Starts on:

Quincy, IL, US

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