Crystal Geodes And Minerals

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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

Cedarhurst, NY

J. Greenstein & Co., Inc.

4.4

(68)

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.

Cedarhurst, NY

J. Greenstein & Co., Inc.

4.4

(68)

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

2026

A LARGE AMETHYST GEODE POLISHED EDGES

Cedarhurst, NY

J. Greenstein & Co., Inc.

4.4

(68)

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

Cedarhurst, NY

J. Greenstein & Co., Inc.

4.4

(68)

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

Cedarhurst, NY

J. Greenstein & Co., Inc.

4.4

(68)

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

Mount Kisco, NY

The Benefit Shop Foundation Inc.

4.4

(3.5k)

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

Okemos, MI

Kellie's Estate Sales

4.6

(200)

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

Thayer, MO

Col. Christie Hatman Auctioneers

4.4

(552)

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

Thayer, MO

Col. Christie Hatman Auctioneers

4.4

(552)

Natural Agate-Lined Geode Specimen with Druzy Crystal Interior: A hollow geode specimen split to reveal a pink and white druzy quartz-lined interior beneath a dark, mottled exterior crust. Auction tag lists weight at 52 grams. Measures roughly 3 inches, shown with

2026

Natural Agate-Lined Geode Specimen with Druzy Crystal Interior

Thayer, MO

Col. Christie Hatman Auctioneers

4.4

(552)

Natural Agate Geode Bookends Polished Banded Chalcedony Druzy Pair: A handsome matched pair of natural agate geode bookends, each displaying beautifully polished banded chalcedony faces contrasted against the original rough stone matrix. Substantial in both scale and

2026

Natural Agate Geode Bookends Polished Banded Chalcedony Druzy Pair

Buckeye, AZ

Athena Vale

POLISHED GEODE BOOKENDS GROUPING: (6) Polished geode bookends. 3 pairs. 20th century. Dimensions: H 6.25" x W 3.5" Condition: Scuffs and nicks. Wear consistent with age.

2026

POLISHED GEODE BOOKENDS GROUPING

Norwalk, CT

Westport Auction

4.6

(1.4k)

SOLD

Raw Amethyst Geode (aka "Violet Quartz"): Often linked to calming energy, stress relief, spiritual awareness, intuition and protection. It's associated with the crown chakra. 1417g

2026

Raw Amethyst Geode (aka "Violet Quartz")

Olympia, WA

Hidden Treasure Auctions

4.3

(1)

SOLD

Raw Amethyst Cluster (aka "Violet Quartz"): Often linked to calming energy, stress relief, spiritual awareness, intuition and protection. It's associated with the crown chakra. 551g

2026

Raw Amethyst Cluster (aka "Violet Quartz")

Olympia, WA

Hidden Treasure Auctions

4.3

(1)

A collection of seven stone spheres: A collection of seven stone spheres, with stands, spheres between 3"dia and 5.5"dia [14 total]

2026

A collection of seven stone spheres

Oakland, CA

Clars Auctions

4.6

(1k)

Pair of Large Blue Agate Geode Bookends: Matching pair of agate geode bookends featuring rich blue tones with natural banding and crystalline interiors. Each piece is cut and polished flat on one side, with the raw outer edge left intact for

2026

Pair of Large Blue Agate Geode Bookends

Saugerties, NY

Donny Malone Auctions

4.4

(1.9k)

Rock Crystal & Hardstone Eggs 7pc LOT: Collection of seven polished rock crystal and other hardstone egg sculptures including amethyst, carnelian, rhodochrosite, and other natural stones, each displayed on a decorative wood stand. The rock

2026

Rock Crystal & Hardstone Eggs 7pc LOT

Sunrise, FL

MiddleManBrokers Inc.

4.7

(565)

Blue Opal Bornite and Calcite Mineral Specimens: 8.8lbs

2026

Blue Opal Bornite and Calcite Mineral Specimens

Missoula, MT

Davis Brothers Auction

4.2

(910)

Collection of Montana Agates and Cab Material: 11.2lbs

2026

Collection of Montana Agates and Cab Material

Missoula, MT

Davis Brothers Auction

4.2

(910)

CAVE GEODES NATURAL CRYSTAL GEODE SPECIMEN FOR COLLECTORS: These cave geodes offer natural crystal-lined interiors prized by rock and mineral collectors. A wonderful find for rockhounds, crystal collectors, and anyone who loves cracking into natural geodes. S

2026

CAVE GEODES NATURAL CRYSTAL GEODE SPECIMEN FOR COLLECTORS

Thayer, MO

Col. Christie Hatman Auctioneers

4.4

(552)

MIXED LOT ROCK STONE LAPIDARY SPECIMEN GRAB BAG OF NATURAL MINERALS FOR COLLECTORS: Here is a mixed grouping of natural rocks and stones, each with its own character. A worthwhile find for lapidary hobbyists, collectors, and curious rock lovers. Exact pieces, sizes, and condition are

2026

MIXED LOT ROCK STONE LAPIDARY SPECIMEN GRAB BAG OF NATURAL MINERALS FOR COLLECTORS

Thayer, MO

Col. Christie Hatman Auctioneers

4.4

(552)

MIXED ROUGH ROCK ASSORTMENT NATURAL LAPIDARY SPECIMEN - RAW CUTTING ROUGH FOR COLLECTORS: A varied assortment of natural rough rock, this lot suits lapidary hobbyists and collectors building a cabbing or tumbling stash. The mix offers different textures and colors to explore and work with.

2026

MIXED ROUGH ROCK ASSORTMENT NATURAL LAPIDARY SPECIMEN - RAW CUTTING ROUGH FOR COLLECTORS

Thayer, MO

Col. Christie Hatman Auctioneers

4.4

(552)

MIXED ROUGH LOT VARIETY ROCK ROUGH LAPIDARY TUMBLING SPECIMEN: This assorted rough lot is a great pick for rockhounds and lapidary hobbyists stocking up on raw cutting material. See photos for exact pieces, sizes, and condition.

2026

MIXED ROUGH LOT VARIETY ROCK ROUGH LAPIDARY TUMBLING SPECIMEN

Thayer, MO

Col. Christie Hatman Auctioneers

4.4

(552)

MIXED ROUGH ROCK SPECIMEN LOT STONE LAPIDARY FOR ROCKHOUND CUTTERS: A rough rock specimen lot suited for rockhound cutters looking to work raw natural material by hand. See photos for exact contents and condition.

2026

MIXED ROUGH ROCK SPECIMEN LOT STONE LAPIDARY FOR ROCKHOUND CUTTERS

Thayer, MO

Col. Christie Hatman Auctioneers

4.4

(552)

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