Ac Gilbert Co Fossils

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60.89ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 95AV: 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

60.89ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 95AV

ThousandPlanetSathorn, Bangkok

32.97ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 7AX: 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

32.97ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 7AX

ThousandPlanetSathorn, Bangkok

59.50ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 29AY: 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

59.50ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 29AY

ThousandPlanetSathorn, Bangkok

20.21ct Natural Australian Queensland Matrix Boulder Opal Rounded Rectangle Cabochon, 73AV: Hand polished medium-sized rounded rectangular cabochon of natural Queensland matrix boulder opal, featuring rich speckled chocolate ironstone matrix decorated with distinctive layered orbicular golde

2026

20.21ct Natural Australian Queensland Matrix Boulder Opal Rounded Rectangle Cabochon, 73AV

ThousandPlanetSathorn, Bangkok

21.80ct Natural Mariam Jasper (Calligraphy Stone) Cabochon Loose Gemstone, 9AK: This fully polished Mariam Jasper, widely referred to as Calligraphy Stone, features deep plum base matrix interlaced with intricate golden ochre fossilized mineral veining that creates natural brushs

2026

21.80ct Natural Mariam Jasper (Calligraphy Stone) Cabochon Loose Gemstone, 9AK

ThousandPlanetSathorn, Bangkok

Pierre-Quentin Chedel – Fossil Shell Study – Hand-colored engraving (18th Century): "Coquillages Fossiles" This hand-colored engraving presents a paleontological study illustrating numerous fossilized sea shells categorized into univalves, bivalves, and multivalves. The composition o

2026

Pierre-Quentin Chedel – Fossil Shell Study – Hand-colored engraving (18th Century)

Dahlstroms AuctioneerAvignon, Provence-Alpes-Cote d'Azur

Two Geological Specimens Rock Stone Mineral: Two geological specimens includes a possible bloodstone specimen (6"L x 7"W x 5.5"H) and a polished chrysanthemum stone (6.5"L x 6"W x 4.5"H). Condition report: Good condition, please examine all phot

2026

Two Geological Specimens Rock Stone Mineral

C Biddle Auction Gallery Inc.Oakland Park, FL

Group of Stone and Petrified Wood Bookends and Garnitures: 19 pieces total, largest: 9 3/4 x 7 in.

2026

Group of Stone and Petrified Wood Bookends and Garnitures

Abell AuctionLos Angeles, CA

Late Cretaceous Fossil Egg Clutch Attributed to Troodon: North America or Siberia, Late Cretaceous period, ca. 77.5 to 76.5 million years ago. A clutch of eleven Troodon eggs, beautifully preserved in their reddish-brown matrix. The name Troodon refers to s

2026

Late Cretaceous Fossil Egg Clutch Attributed to Troodon

Artemis Fine ArtsLouisville, CO

Collection of Eleven Ammonite Fossils, Iridescent and Cut: North Africa, Morocco, Devonian to Cretaceous, ca. 409 to 66 million years ago. A collection of eleven ammonite fossils representing multiple species, ranging from a large matrix-embedded specimen wit

2026

Collection of Eleven Ammonite Fossils, Iridescent and Cut

Artemis Fine ArtsLouisville, CO

Large Ordovician Trilobite (Burmeisterella), Morocco: Morocco. Paleozoic Era, Ordovician Period, ca. 485–444 million years old. A well-preserved fossil trilobite identified as Burmeisterella, presented in strong relief with prominent cephalon, segm

2026

Large Ordovician Trilobite (Burmeisterella), Morocco

Artemis Fine ArtsLouisville, CO

Lucite Pink & Purple 'Cool' Abstract Sculpture: Lucite Pink & Purple 'Cool' Abstract Sculpture Late 20th Century, USA Contemporary abstract lucite sculpture, featuring an energetic arrangement of intersecting ribbon-like forms in translucent pink,

2026

Lucite Pink & Purple 'Cool' Abstract Sculpture

Akiba GalleriesDania Beach, FL

Large Postmodern Purple Lucite Abstract Sculpture: Large Postmodern Purple Lucite Abstract Sculpture Late 20th Century, USA Large contemporary abstract sculpture crafted from translucent purple lucite or acrylic, featuring a dramatic openwork organic

2026

Large Postmodern Purple Lucite Abstract Sculpture

Akiba GalleriesDania Beach, FL

Natural Green Tourmaline Gemstones 2.73 Ct. Clean Octagon Shape 8.92 x 5.80 Mm.: Product ID: 807216391 Product Name: Natural Tourmaline Weight: 2.73 CT. Size: 8.92 x 5.80 x 5.72 MM. Shape: Octagon Color: Green Clarity:IF Luster: Good Gems Origin: Nigeria Treatment: Unheated Crysta

2026

Natural Green Tourmaline Gemstones 2.73 Ct. Clean Octagon Shape 8.92 x 5.80 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Multi Color Sapphire Gemstones 1.47 Ct. Oval Shape 6.89 x 6.20 Mm.: Product ID: 806144432 Product Name: Natural Green Sapphire Weight: 1.47 CT. Size: 6.89 x 6.20 x 4.00 MM. Shape: Oval Color: Multi Color Clarity:VSI Luster: Very Good Gems Origin: Madagascar Treatment:

2026

Natural Multi Color Sapphire Gemstones 1.47 Ct. Oval Shape 6.89 x 6.20 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Orangish Red Spessartine Garnet Gemstones 2.88 Ct. 2 Pcs. Oval Shape 7.2 x 6 Mm.: Product ID: 802937982 Product Name: Natural Garnet Weight: 2.88 CT. Size: 7.2 x 6 x 4 MM. Shape: Oval Color: Orangish Red Clarity:VSI Luster: Good Gems Origin: Namibia Treatment: Unheated Crystal Stru

2026

Natural Orangish Red Spessartine Garnet Gemstones 2.88 Ct. 2 Pcs. Oval Shape 7.2 x 6 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Blue Green Sapphire Gemstones 0.67 Ct. Pear Shape 6.4 x 5 Mm.: Product ID: 806012110 Product Name: Natural Blue Sapphire Weight: 0.67 CT. Size: 6.4 x 5 x 2.6 MM. Shape: Pear Shape Color: Blue Green Clarity:VSI Luster: Good Gems Origin: Thailand Treatment: Heated

2026

Natural Blue Green Sapphire Gemstones 0.67 Ct. Pear Shape 6.4 x 5 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Orangish Red Garnet Gemstones 1.07 Ct. 2 Pcs. Round Shape 5.1 Mm.: Product ID: 802936725 Product Name: Natural Red Garnet Weight: 1.07 CT. Size: 5.1 x 5.1 x 2.9 MM. Shape: Round Shape Color: Orangish Red Clarity:VSI - SI1 Luster: Good Gems Origin: Tanzania Treatment:

2026

Natural Orangish Red Garnet Gemstones 1.07 Ct. 2 Pcs. Round Shape 5.1 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Violetish Blue Iolite Gemstones 1.46 Ct. 2 Pcs. Oval Shape 7.2 x 5.2 Mm.: Product ID: 803804864 Product Name: Natural Iolite Weight: 1.46 CT. Size: 7.2 x 5.2 x 3.4 MM. Shape: Oval Shape Color: Violetish Blue Clarity:VSI Luster: Good Gems Origin: Madagascar Treatment: Unheat

2026

Natural Violetish Blue Iolite Gemstones 1.46 Ct. 2 Pcs. Oval Shape 7.2 x 5.2 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Orangish Pink Tourmaline Gemstones 0.85 Ct. Octagon Shape 6.5 x 4.5 Mm.: Product ID: 807228024 Product Name: Natural Tourmaline Weight: 0.85 CT. Size: 6.5 x 4.5 x 3.4 MM. Shape: Octagon Color: Orangish Pink Clarity:SI Luster: Good Gems Origin: Mozambique , Africa Treatment

2026

Natural Orangish Pink Tourmaline Gemstones 0.85 Ct. Octagon Shape 6.5 x 4.5 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Swiss Blue Topaz Gemstones 3.36 Ct. Round Shape 8.9 Mm.: Product ID: 807156263 Product Name: Natural Blue Topaz Weight: 3.36 CT. Size: 8.9 x 8.9 x 6 MM. Shape: Round Color: Swiss Blue Clarity:VVS Luster: Good Gems Origin: Brazil Treatment: Treated Crystal S

2026

Natural Swiss Blue Topaz Gemstones 3.36 Ct. Round Shape 8.9 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Lime Yellow Tourmaline Gemstones 0.79 Ct. Round Shape 5.4 Mm.: Product ID: 807224090 Product Name: Natural Tourmaline Weight: 0.79 CT. Size: 5.4 x 5.4 x 4.1 MM. Shape: Round Color: Lime Yellow Clarity:SI Luster: Good Gems Origin: Nigeria Treatment: Unheated Cryst

2026

Natural Lime Yellow Tourmaline Gemstones 0.79 Ct. Round Shape 5.4 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Green Fluorite Gemstones 5.42 Ct. Oval Concave Cut 12.1 x 10.1 Mm.: Product ID: 802705244 Product Name: Natural Fluorite Weight: 5.42 CT. Size: 12.1 x 10.1 x 6.6 MM. Shape: Oval Concave Cut Color: Green Clarity:VSI Luster: Good Gems Origin: Brazil Treatment: Unheated

2026

Natural Green Fluorite Gemstones 5.42 Ct. Oval Concave Cut 12.1 x 10.1 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Green Blueish Grandidierite Gemstones 0.94 Ct. Oval Shape 6 x 4.5 Mm.: Product ID: 803100085 Product Name: Natural Tsavorite Weight: 0.94 CT. Size: 6 x 4.5 x 4 MM. Shape: Oval Shape Color: Green Blueish Clarity:SI1 Luster: Good Gems Origin: Madagascar Treatment: Unheated

2026

Natural Green Blueish Grandidierite Gemstones 0.94 Ct. Oval Shape 6 x 4.5 Mm.

Treasure of Gems & JewelryLake Charles, LA

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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

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

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

3 days Left

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