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Malachite and Chrysocolla Boulder: Malachite and Chrysocolla boulder. 10 in. x 7 in. x 2-3/8 in.

Apr 16, 2026

Malachite and Chrysocolla Boulder

New England Auctions - Fred Giampietro

(1 bid)

2.24 Ct Natural Zambian Green Emerald Octagon Cut: Weight - 2.24 Ct / Dimensions - 8.20 x 6.60 x 5.70 mm / Shape - Octagon Cut / Color - Green / Clarity - SI / Origin - Zambia / Comments - Natural Emeralds are commonly enhanced by oil

7 days Left

2.24 Ct Natural Zambian Green Emerald Octagon Cut

Point: 3 5/8" black marked Paleo point, not exaimined for coa

6 days Left

Midwest Auctions

Numerous points: Display with numerous obsidian points (most broken) plus 4 1/4" blade

6 days Left

Numerous points

Midwest Auctions

ASSORTED VINTAGE MINERAL SPECIMENS AND DECORATIVE OBJECTS: A diverse group of seven natural and carved stone items, comprising: one deep purple amethyst druzy cluster crystalline specimen, one unpolished petrified wood specimen, three polished ovoid form onyx

Apr 10, 2026

ASSORTED VINTAGE MINERAL SPECIMENS AND DECORATIVE OBJECTS

Juliet and Friends

Geode Specimen: Geode specimen. Age unknown. H 11 in. W 8 in.

Apr 16, 2026

New England Auctions - Fred Giampietro

ROGERS FOWLER (AMERICAN, 20TH CENTURY): Rogers FowlerAmerican, 20th centuryPermit FishMetalTwo permit fish swimming side by side among seaweed, mounted in an oak box.17 x 16 1/2 x 27 in. (43.2 x 41.9 x 68.6 cm.), Fish group: 16 x 19 x 9 in.

Apr 10, 2026

ROGERS FOWLER (AMERICAN, 20TH CENTURY)

Selkirk Auctioneers & Appraisers

Beautifully Mounted Vibrant Amethyst Specimen.: Vibrant purple amethyst specimen beautifully mounted in a black iron? stand. Dimensions: 13" w x 11.5" h.

Apr 12, 2026

Beautifully Mounted Vibrant Amethyst Specimen.

Clarke Auction Gallery

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 25.5" tall and 9.5" at it's widest. Weignt is 30.7 kilograms

Apr 21, 2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.

Demantoid of exquisite colour, 0.538 carats: Demantoid of exquisite colour, 0.538 caratsDemantoid of exquisite colour, 4.21 x 4.22 x 3.06 mm, weighing 0.538 carats. Eye-clean stone with very delicate chrysotile fibre (horse-tail) inclusions, arr

1 day Left

Demantoid of exquisite colour, 0.538 carats

A very large ammonite with fern-like sutures: A massive ammonite, perhaps Sphenodiscus spp. With a lovely complex fernlike suture pattern, likely late Cretaceous (circa 70 million years ago). 15 x 15 x 6 inches in the matrix (38 x 38 x 16 cm

Apr 16, 2026

A very large ammonite with fern-like sutures

DOYLE Auctioneers & Appraisers

Polished ROSE QUARTZ Mineral Sphere, Weight: 1 lb: Formed and Polished ROSE QUARTZ Mineral Sphere. It measures 3.25" in Diameter and the Total Weight is 1 lb 12 oz. It comes with a plastic ring stand for display. Rose Quartz is known as the "love ston

Polished ROSE QUARTZ Mineral Sphere, Weight: 1 lb

Western Sportsman LLC

(8 bids)

XL Polished BLUE LAPIS LAZULI Mineral Sphere, Weight: 16 lbs: XL Formed and Polished BLUE LAPIS LAZULI Mineral Sphere. It measures 6.5" in Diameter and the Total Weight is 16 lbs 5 oz. Lapis Lazuli is a deep blue metamorphic rock used as a semi-precious sto

Apr 23, 2026

XL Polished BLUE LAPIS LAZULI Mineral Sphere, Weight: 16 lbs

Western Sportsman LLC

(4 bids)

AMETHYST Geode Cathedral, Weight: 31 lbs: Incredible AMETHYST Geode Cathedral. It measures 11.75" Tall x 10.5" Wide x 7 7/8" Depth and the Total Weight is 31 lbs 15 oz. This Amethyst Geode Cathedral was mined in Brazil and is a truly imp

Apr 23, 2026

AMETHYST Geode Cathedral, Weight: 31 lbs

Western Sportsman LLC

(4 bids)

Big Natural Arkansas CLEAR QUARTZ CRYSTAL Specimen, Weight: 5 lbs: Big Natural Arkansas Clear QUARTZ CRYSTAL Specimen. It measures 5" Long x 3.5" Wide x 6.75" Tall and the Total Weight is 5 lbs 3 oz. Arkansas is world-renowned for its mined quartz crystals, especiall

Big Natural Arkansas CLEAR QUARTZ CRYSTAL Specimen, Weight: 5 lbs

Western Sportsman LLC

(3 bids)

Polished GREEN ONYX Mineral Sphere: Polished GREEN ONYX Mineral Sphere. It measures 3" in Diameter and Weighs 1.3 lbs. It comes with a plastic ring stand for display. ROCKS FOSSILS MINERALS

Polished GREEN ONYX Mineral Sphere

Western Sportsman LLC

(3 bids)

Natural Multi Color Tourmaline 10.18 Ct. Clean Oval Shape 13.5 x 11.3 Mm. Unheated Gemstone From: Product ID: 807218867 Product Name: Natural Tourmaline Weight: 10.18 CT. Size: 13.5 x 11.3 x 9.6 MM. Shape: Oval Color: Yellow Green Pink Clarity:IF Luster: Very Good Gems Origin: Mozambique , Africa

2 days Left

Natural Multi Color Tourmaline 10.18 Ct. Clean Oval Shape 13.5 x 11.3 Mm. Unheated Gemstone From

Treasure of Gems & Jewelry

(3 bids)

Approximately 4 ct natural emerald gemstone: Approximately 4 ct natural emerald gemstone. Please see photos. Beautiful colors. In very good original as found condition. Great quality and detail. For in house shipping, please call Mike at Thrifti

Apr 12, 2026

Approximately 4 ct natural emerald gemstone

Thriftiques of Iowa

(3 bids)

25.67 Ct Natural Rain Forest Jasper Oval Cab Pair: Weight - 25.67 Ct / Dimensions - 27.00 x 11.90 x 4.60 mm / Top Class Quality / Oval Cab / Origin - Brazil / Treatment - None

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25.67 Ct Natural Rain Forest Jasper Oval Cab Pair

(2 bids)

Lot 5 Natural Seashell & Coral Specimens: Lot includes, 1 birds nest coral specimen, 1 staghorn coral, 2 seashells & 1 brain coral. White toned & textured. Assorted sizes. Surface wear consistent to age, use & exposure. Measurements: length 5

5 days Left

Lot 5 Natural Seashell & Coral Specimens

The Benefit Shop Foundation Inc.

(2 bids)

3 1/4' Long Adze/Celt, Extremely Rare Green Jasper, Tenerian Culture: 5000-2500 BC, African Neolithi: 3 1/4" Long Adze/Celt, Extremely Rare Green Jasper, Tenerian Culture: 5000-2500 BC, African Neolithic, Exposed Site - Tenere, Sounth Central Sahara Desert

Apr 12, 2026

3 1/4' Long Adze/Celt, Extremely Rare Green Jasper, Tenerian Culture: 5000-2500 BC, African Neolithi

Heartland Artifact Auctions

(2 bids)

4 1/2" Cannonball found Along the Tennessee River Near Pickwick Lake, Southern Tennessee. 12 Pound: 4 1/2" Cannonball found Along the Tennessee River Near Pickwick Lake, Southern Tennessee. 12 Pound Cannon Ball, Civil War

Apr 19, 2026

4 1/2" Cannonball found Along the Tennessee River Near Pickwick Lake, Southern Tennessee. 12 Pound

Heartland Artifact Auctions

(2 bids)

3 3/4' x 1 15/16' Early Ovoid, Burlington Chert, Milan Missouri, COA Keele: 3 3/4" x 1 15/16" Early Ovoid, Burlington Chert, Milan Missouri, COA Keele

Apr 12, 2026

3 3/4' x 1 15/16' Early Ovoid, Burlington Chert, Milan Missouri, COA Keele

Heartland Artifact Auctions

(2 bids)

Natural CALCITE CRYSTAL Formation Specimen, Weight: 6 lbs: Stunning Natural CALCITE CRYSTAL Formation Specimen. It measures 7" Long x 6.25" Wide x 5.25" Tall and the Total Weight is 6.6 lbs. ROCKS FOSSILS MINERALS

Natural CALCITE CRYSTAL Formation Specimen, Weight: 6 lbs

Western Sportsman LLC

(1 bid)

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