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Filed underNorth America

Volborthite

The small dark green and roseshaped crystals shows a super luster and sits perfectly on some white matrix. A really perfect micromount of this rare mineral.
Locality: Milpilas, Mexico
Size: ca. 0,6 cm x 0,8 cm
Price: $ 350.00
Including VAT / without shipping cost
Category: Allgemein, Micromount, Minerals, North America
Allgemein, Micromount, Minerals, North America 10. September 202514. September 2025

Auricalcite plus Calcite

A really nice specimen of Auricalcite, coated totally by lustrous, transparent and glossy Calcite crystals, which protect the otherwise very sensitive Auricalcite crystals. It shows a phantastic and very…
Locality: Mina Ojuela, Durango, Mexico
Size: ca. 12,0 cm x 10,0 cm
Price: $ 350.00
Including VAT / without shipping cost
Category: Allgemein, Minerals, North America
Allgemein, Minerals, North America 10. September 202514. September 2025

Quartz with Hematite inclusions

This is a really pretty Quartz group from the El Potosi mine, St. Eulalia, Mexico. The clear quartz crystals shows a reddish top due to Hematite inclusions. It´s a…
Locality: El Potosi, St. Eulalia, Mexico
Size: ca. 12,0cm x 7,0cm
Price: $ 220.00
Including VAT / without shipping cost
Category: Allgemein, Minerals, North America
Allgemein, Minerals, North America 10. September 202514. September 2025

Chrysocolla coated by tiny Quartz crystals

Locality: Ray mine, Pinal county, Arizona, USA
Size: ca. 8cm x 4 cm
Price: $ 120.00
Including VAT / without shipping cost
Category: Allgemein, Minerals, North America
Allgemein, Minerals, North America 17. July 202517. July 2025

Calcite

Nice Calcite group from Santa Eulalia, Chihuahua, Mexico. On the Calcite scalenoeders is a perfect Calcite-Twin-Crystal sitting. On the Calcite crystals are tiny Pyrite crystals sitting. The specimens comes…
Locality: Santa Eulalia, Chihuahua, Mexico
Size: ca. 9 cm x 8 cm
Price: $ 250.00
Including VAT / without shipping cost
Category: Allgemein, Minerals, North America
Allgemein, Minerals, North America 17. July 2025

Calcite

Nice group of several golden-orange double terminated Calcite crystals. On the backside of the specimens are some rests of the matrix visible.
Locality: Elmwood Mine, Carthage county, Elmwood, Tennessee, USA
Size: ca. 11,5 cm x 8 cm
Price: $ 350.00
Including VAT / without shipping cost
Category: Allgemein, Minerals, North America
Allgemein, Minerals, North America 17. July 2025

Quartz

Nice Quartz crystal group with a dominant and perfect crystal in the middle of the matrix. On the backside of the large Quartz crystal are some tiny Quartz crystals.
Locality: Arkansas, USA
Size: ca. 15,5 cm x 8,7 cm
Price: $ 170.00
Including VAT / without shipping cost
Category: Allgemein, Minerals, North America
Allgemein, Minerals, North America 17. July 202517. July 2025

Small Galena crystals on a Siderite Stalactite

Locality: White Raven Mine, Ward Mining District, Boulder County, Colorado, USA
Size: 5,6 x 2,5 cm
Price: $ 350.00
Including VAT / without shipping cost
Category: Allgemein, Minerals, North America
Allgemein, Minerals, North America 30. March 202530. March 2025

Fluorite cubes on Spalerite with Barite and some small Galena crystals in between

Locality: Elmwood, Tennessee, USA
Size: Size of the specimen about : 17 x 11 x 12 cm Size of the fluorite crystals: max. 4.5 x 4.5 cm
Price on request
Category: Minerals, North America
Minerals, North America 15. January 202517. January 2025

Topas with red Beryll

Double terminated topaz with an approx. 0.7 x 0.4 cm grown red beryl crystal.
Locality: Wah Wah Mountains, Utah, USA
Size: 2,7 x 0,5 cm
Price on request
Category: Allgemein, Minerals, North America
Allgemein, Minerals, North America 26. August 202426. August 2024

Creedite

Attractive crystal aggregates grown together to form 2 spheres.
Locality: Minas Navidad, Durango, Mexico
Size: 7 x 4 cm
Price: $ 65.00
Including VAT / without shipping cost
Category: Allgemein, Minerals, North America
Allgemein, Minerals, North America 26. August 202413. January 2025

Tourmaline

Transparent, multi coloured tourmaline crystal with a black top
Locality: Himalaya Mine, Ca. USA
Size: 2,5 x 2,0 x 1,5 cm
Price: $ 120.00
Including VAT / without shipping cost
Category: Allgemein, Minerals, North America
Allgemein, Minerals, North America 26. August 202413. January 2025

Mimetite

Very attractive Mimetite specimen from Mexico. The Mimetite was found betwen Level 9 and 10 in the El Potosi Mine, Santa Eulalia, Chihuahua, Mexico. The Mimetite is mostly grown…
Locality: Santa Eulalia Mexico
Size: 12 x 6 cm
Price on request
Category: Allgemein, Minerals, North America
Allgemein, Minerals, North America 3. June 202413. January 2025

Rhodonite

Historical specimen of Rhodonite crystals on Calcite and on hundreds of tiny Franklinite crystals. The whole specimen is about 6 cm x 6 cm x 5,5 cm. The main…
Locality: Franklin-Furnace, New Jersey USA
Size: 7 x 6 x 6,5 cm
Price: $ 1,100.00
Including VAT / without shipping cost
Category: Allgemein, Classic localities, Minerals, New Minerals, North America
Allgemein, Classic localities, Minerals, New Minerals, North America 1. June 202429. November 2024

Wulfenite

Perfect wulfenite crystal on matrix
Locality: Red Cloud Mine, Trigo Mountains, Arizona, USA
Size: 5 x 4 cm
Price on request
Category: Minerals, North America
Minerals, North America 18. January 20224. April 2024

Marcus Grossmann Minerals
Holzkirchner-Str. 20a
D-83626 Valley
Germany

Phone +49 (0) 8024 91228
Fax +49 (0) 8024 991274
Email info@grossmann-minerals.com

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