Quartz Geodes And Minerals

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HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT: Light in color. With a nice soft blue polished rim. 19.5 kilograms and 17.5" tall.

2026

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT

J. Greenstein & Co., Inc.Cedarhurst, NY

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT: Deep purple in color. With a nice soft blue polished rim. kilograms and 22" tall.

2026

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT

J. Greenstein & Co., Inc.Cedarhurst, NY

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT: 27.9 KILOGRAMS AND 17" tall. Here is a magnificent amethyst cathedral

2026

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT

J. Greenstein & Co., Inc.Cedarhurst, NY

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT: Deep purple in color. With a nice soft blue polished rim. 34 kilograms and 24" tall.

2026

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT

J. Greenstein & Co., Inc.Cedarhurst, NY

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT: light purple in color. With a nice soft blue polished rim. 18.45 kilograms and 19" tall.

2026

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT

J. Greenstein & Co., Inc.Cedarhurst, NY

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT: 37.3 kilo and 21" tall, Excellent purple color.

2026

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT

J. Greenstein & Co., Inc.Cedarhurst, NY

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT: Light purple in color, 24.95 kilogram and 16" tall.

2026

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT

J. Greenstein & Co., Inc.Cedarhurst, NY

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT: light purple in color. With a nice soft blue polished rim. 19.85 kilograms and 18" tall.

2026

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT

J. Greenstein & Co., Inc.Cedarhurst, NY

AN AMETHYST GEODE WITH POLISHED EDGES: 31.15 kg and 20" tall. Triange shaped.

2026

AN AMETHYST GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.Cedarhurst, NY

AN AMETHYST GEODE WITH POLISHED EDGES.: In traditional form. 5.95 kilograms and 6.5 tall

2026

AN AMETHYST GEODE WITH POLISHED EDGES.

J. Greenstein & Co., Inc.Cedarhurst, NY

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 15" TALL AND 14" WIDE. 31.95 KG

2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.Cedarhurst, NY

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

2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.Cedarhurst, NY

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 9.7" wide and 16" tall. This magnificent cathedral weights 21.55 kilograms

2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.Cedarhurst, NY

AN AMETHYST GEODE WITH POLISHED EDGES - GORGEOUS: 14.85kg and 14" tall, nice purple color

2026

AN AMETHYST GEODE WITH POLISHED EDGES - GORGEOUS

J. Greenstein & Co., Inc.Cedarhurst, NY

AMETHYST GEODE WITH POLISHED EDGES CATHEDRAL: Excellent color. Polished edge. 14.5" tall and 11.9 kilograms.

2026

AMETHYST GEODE WITH POLISHED EDGES CATHEDRAL

J. Greenstein & Co., Inc.Cedarhurst, NY

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 16" TALL and 10.5" wide. This magnificent cathedral weights 22.4 kilograms

2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.Cedarhurst, NY

AN AMETHYST GEODE WITH POLISHED EDGES.: Nice grey color on the outer periphery. 22.06kg and 26" tall

2026

AN AMETHYST GEODE WITH POLISHED EDGES.

J. Greenstein & Co., Inc.Cedarhurst, NY

A LARGE AMETHYST GEODE POLISHED EDGES: 23.2 KILOGRAMS AND 15" TALL. light blue in color. deep cavelike

2026

A LARGE AMETHYST GEODE POLISHED EDGES

J. Greenstein & Co., Inc.Cedarhurst, NY

A LARGE AMETHYST GEODE POLISHED EDGES: 19.75 KILOGRAMS AND 17" TALL. Nice dark purple

2026

A LARGE AMETHYST GEODE POLISHED EDGES

J. Greenstein & Co., Inc.Cedarhurst, NY

A LARGE AND WELL COLORED AMETHYST TRIANGLE SLICE ON A STAND: Here is a magnificent amethyst specimen crossection on a stand

2026

A LARGE AND WELL COLORED AMETHYST TRIANGLE SLICE ON A STAND

J. Greenstein & Co., Inc.Cedarhurst, NY

Vntg mid century modern agate geode dish: Vintage mid century modern agate geode dish. Features a variety of microcrystalline Quartz, shadow by the alternating colors. Center was carved out and finished by lapidary artisans to serve a househo

2026

Vntg mid century modern agate geode dish

The Benefit Shop Foundation Inc.Mount Kisco, NY

Collection of Mineral Specimens: A group of geological specimens including polished bumblebee jasper, a heat-treated amethyst cluster, a desert rose selenite cluster on an acrylic mount, and a lepidolite specimen. The assortment also

2026

Collection of Mineral Specimens

Kellie's Estate SalesOkemos, MI

Amethyst Crystal Geode Cluster: A natural amethyst geode cluster with smoky purple pointed crystal terminations and a hint of golden mineral inclusion, set on a druzy base. Approximately 3-4 inches wide, shown beside a quarter for s

2026

Amethyst Crystal Geode Cluster

Col. Christie Hatman AuctioneersThayer, MO

Amethyst Crystal Cluster Geode: A 58-gram natural amethyst geode specimen with a gray rock exterior and a cluster of purple and clear pointed crystals.

2026

Amethyst Crystal Cluster Geode

Col. Christie Hatman AuctioneersThayer, MO

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Geodes And Minerals Auctions

Spessartite Garnet Mineral - SPECIMEN - 4.38 GRAMS - 16X15X12 mm

66.62 Grams Cubic Fluorite Mineral - 50X30X20 mm

Natural Brucite Crystal Formation 9 Grams

No Reserve Crystals, Minerals Specimens

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