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Lot of 10 Pre-Columbian Clear Crystal Quartz Drilled Tube Beads from South America. I can't imagine: Lot of 10 Pre-Columbian Clear Crystal Quartz Drilled Tube Beads from South America. I can't imagine the time & Patience to make just one, much less 10 or a whole necklace full in primitive times!

Apr 19, 2026

Lot of 10 Pre-Columbian Clear Crystal Quartz Drilled Tube Beads from South America. I can't imagine

Heartland Artifact Auctions

A natural Conch Shell: A Conch Sea Shell measuring 7 inches long. A natural decorative Conch sea shell.Conch (pronounced "konk") is a large sea snail, a marine mollusk, that is a popular seafood delicacy in the Caribbean, F

Apr 19, 2026

A natural Conch Shell

Winter Park Gallery

Small Ludlamite and Vivianite Specimen: Small Ludlamite and vivianite specimen from Brazil. 2.5” x 2.75” x 1”. 5 oz.

Apr 26, 2026

Small Ludlamite and Vivianite Specimen

Fossils & Gemstones of Houston

Point: 4 5/8" Agate Basin point, not examined for coa

3 days Left

Midwest Auctions

California Benitoite 8.4ct Pear Cut Certified: Museum-quality find. Originating only from California's San Benito River Valley, this barium titanium silicate features intense blue color and higher fire than diamond. A certified stone would highlig

7 days Left

California Benitoite 8.4ct Pear Cut Certified

California Gemstones

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 17.5" TALL X 7" WIDE 20.10 KILOGRAMS

Apr 21, 2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.

AMETHYST GEODE WITH POLISHED EDGES CATHEDRAL: Light purple in color. Polished edge. Triangular in shape. 14" tall and 8.5 kilograms

Apr 21, 2026

AMETHYST GEODE WITH POLISHED EDGES CATHEDRAL

J. Greenstein & Co., Inc.

AMETHYST GEODE WITH POLISHED EDGES CATHEDRAL: Excellent color. Polished edge. 9.5" tall and 8.5 kilograms.

Apr 21, 2026

AMETHYST GEODE WITH POLISHED EDGES CATHEDRAL

J. Greenstein & Co., Inc.

Five Tourmaline Gemstones: Unmounted tourmaline includes 11.8 carat green, octagon, Mozambique. 18.1 carat fancy cut, blue green, Brazil. 3.48 carat scissor cut emerald, blue green. 2.91 carat oval cabochon, clear-grey, Africa.

3 days Left

Five Tourmaline Gemstones

Cordier Auctions

1.82CT Polychrome Montana Sapphire, Color-Changing: Gemstone/Mineral: Corundum (Sapphire) Variety/Color Designation: Color-Changing, Bi-Color, Polychrome Geographic Origin: Montana, USA Carat Weight: 1.82 CT State: Loose, Cut & Faceted Birthstone for:

6 days Left

1.82CT Polychrome Montana Sapphire, Color-Changing

Bidfair Fine Jewelry

A crystal-encased scepter of Liao Jin: Liao Jin's crystal-encapsulated scepter Size:L:53cmW:7.7cmW:960g (The Dimensions Of All Batches Are Manually Measured.If You Need More Detailed Information, Please Contact Our Customer Service Before

Apr 18, 2026

A crystal-encased scepter of Liao Jin

Admirable Collections

A RARE SCOLECITE FORMATION SPECIMEN: Rare and delicate scolecite specimen from the Deccan Basalts, Aurangabad, Maharashtra, India. 6" wide.

Apr 21, 2026

A RARE SCOLECITE FORMATION SPECIMEN

J. Greenstein & Co., Inc.

AMETHYST GEODE. INCREDIBLE COLOR, POLISHED EDGES: Excellent colors. 12 kilo and 12" tall.

Apr 21, 2026

AMETHYST GEODE. INCREDIBLE COLOR, POLISHED EDGES

J. Greenstein & Co., Inc.

Decorative Coral Specimen Collection: Decorative Coral Specimen Collection. includes 6 specimens. Upper left is a large, intricate Acropora characterized by a dense network of fine, radiating branches. Upper center is a robust, "fing

Apr 19, 2026

Decorative Coral Specimen Collection

Sarasota Estate Auction

AN APOPHYLITE AND SCOLECITE SPECIMEN INDIA: 14" x 4" in size. Magnficent in structure

Apr 21, 2026

AN APOPHYLITE AND SCOLECITE SPECIMEN INDIA

J. Greenstein & Co., Inc.

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 15.5" TALL AND 9.5" AT IT'S WIDEST, 24.6 KILOGRAMS

Apr 21, 2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.

CARVED AQUAMARINE FISH WITH RUBY EYE: Carved aquamarine fish weighing approximately 25.69 total carats with a ruby eye. No apparent markings. Approximate dimensions: h. 1.375", w. 0.75", d. 0.25", total weight 5.2 grams. Note: Note: Direc

Apr 24, 2026

CARVED AQUAMARINE FISH WITH RUBY EYE

Ahlers & Ogletree Auction Gallery

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 17" tall X 8" at its widest. It weighs 19.5 KILOGRAMS

Apr 21, 2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.

Incredible Acropora Table Coral Display Specimen: Incredible Acropora Table Coral Display Specimen. Classic nodule structure, with few areas of damage. Size: 16 x 13 x 4 3/4 in. Acropora is a genus of small polyp stony coral in the phylum

Apr 19, 2026

Incredible Acropora Table Coral Display Specimen

Sarasota Estate Auction

A RARE SCOLECITE SPECIMEN FORMATION: Rare and delicate scolecite specimen from the Deccan Basalts, Aurangabad, Maharashtra, India 9" wide.

Apr 21, 2026

A RARE SCOLECITE SPECIMEN FORMATION

J. Greenstein & Co., Inc.

Velvety Malachite Formation: Velvety malachite formation from the DR Congo. 6.5" x 4.25" x 2.5". 2 pounds, 1 ounces.

Apr 26, 2026

Velvety Malachite Formation

Fossils & Gemstones of Houston

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES 46 kilo!!!!: 25" TALL, 17" AT IT'S WIDEST 46.45 KILOGRAMS

Apr 21, 2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES 46 kilo!!!!

J. Greenstein & Co., Inc.

A VERY LARGE ZEOLITE SPECIMEN: 11" tall not including stand. Nice peach/pink color

Apr 21, 2026

A VERY LARGE ZEOLITE SPECIMEN

J. Greenstein & Co., Inc.

LARGE PURPLE ART GLASS CONSOLE LOW BOWL: LARGE PURPLE ART GLASS CONSOLE LOW BOWL: Large Amethyst Art Glass Charger, having a colorful center with Dichroic & Gold flake accents. When displayed in a window, the light gives the purple rim a cos

Apr 19, 2026

LARGE PURPLE ART GLASS CONSOLE LOW BOWL

Burchard Galleries Inc

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