Africa – Grossmann Mineralien

Aquamarine on Schörl

This is a really perfect and outstanding Miniature specimen. This miniature piece shown here is just perfect. The clear transparent gemmy blue sharply terminated prismatic aquamarine crystals measuring up…

Locality: Erongo, Namibia

Size: Größe der Stufe 3,7 cm x 3,0 cm

Price: $ 1,250.00
Including VAT / without shipping cost

Category: Africa, Allgemein, Minerals

Linarite and Brochantite

With an original label of the Royal Saxonian, (K.S.), Mineralien-Niederlage zu Freiberg. The label of the Royal Saxonian Mineralien Niederlage was only used until about 1918. It is a…

Locality: Tsumeb, Oshikoto region, Namibia

Size: 10 x 7 cm

Price: $ 220.00
Including VAT / without shipping cost

Category: Africa, Classic localities, Minerals

Eudidymite

Eudidymite is a rare Beryllium Mineral (Na2Be2Si6O15 · H2O). Eudidymite is a species that very rarely occurs in sharp and well-terminated crystals and that is why the specimens from this…

Locality: Mt. Malosa, Zomba Plateau, Malawi

Size: approx. 3 x 4 cm

Price: $ 170.00
Including VAT / without shipping cost

Category: Africa, Minerals

Smithsonite

This is a nice cabinet specimen with hundreds of orange Smithsonite crystals. Between the Smithsonite crystals are a few tiny greenish Malachite crystals

Locality: Tsumeb, Oshikoto region, Namibia

Size: approx. 10 x 11 cm

Price: $ 350.00
Including VAT / without shipping cost

Category: Africa, Classic localities, Minerals

Smithsonite

Excellent and quite attractive, this smithsonite specimen is from Tsumeb. The green color is beautifully enhanced by the vitreous to pearly luster. The brown matrix is covered by hundreds…

Locality: Tsumeb, Oshikoto region, Namibia

Size: approx. 9.5 x 6.5 cm

Price: $ 450.00
Including VAT / without shipping cost

Category: Africa, Classic localities, Minerals

Fluorite

Most of the Fluorites from Mandrosonoro are just groups of packed crystals. This Specimen comes from a small single find, which was made end of 2023 and shows single…

Locality: Mandrosonoro, Ambatofinandrahana, Madagascar

Size: Size of the specimen: 10 x 7 cm, max. size of the crystals about 2 cm

Price: $ 1,200.00
Including VAT / without shipping cost

Category: Africa, Minerals

Cobaltcalcite

Perfectly formed crystal on matrix

Locality: Kakanda, DR Congo

Size: 3 x 3 cm

Price: $ 150.00
Including VAT / without shipping cost

Category: Africa, Allgemein, Minerals

Cerussite

Very lustrous grey-brown Cerussite crystals, sitting on a dark grey tennantite matrix. The matrix is overgrown with tiny sparkling Calcite crystals.

Locality: Tsumeb Mine, Namibia

Size: 13 x 8 cm. The size of the largest Cerussite crystal is about 2 x 2 cm

Price: $ 680.00
Including VAT / without shipping cost

Category: Africa, Classic localities

Cerussite

Perfect Cerussite sixling on matrix. The specimen comes out of a famous German collection. The original label will be shipped with my label to the customer.

Locality: Tsumeb, Otavi highland, Namibia

Size: Size of the specimen is about 10 x 6,5 cm, size of the verussite crystal is about 4,5 x 4 cm

Price: $ 750.00
Including VAT / without shipping cost

Category: Africa, Allgemein, Classic localities, Minerals

Azurite on Malachite

Staircase-shaped, highly lustrous azurite crystal group with residual matrix and incipient pseudomorphic transformation into malachite. Find from 1929.

Locality: Tsumeb

Size: 7 x 6,3 cm

Price: $ 1,700.00
Including VAT / without shipping cost

Category: Africa, Minerals

Azurite on Bayldonite and Malachite

Wonderful old paragenesis, with some azurite already being transformed into malachite.

Locality: Tsumeb, Namibia

Size: 11 x 10 x 5 cm

Price: $ 850.00
Including VAT / without shipping cost

Category: Africa, Classic localities, Minerals

Smithonite

White, slightly greenish smithonite crystals, highly lustrous.

Locality: Tsumeb, Namibia

Size: 10,5 x 9,2 x 4,7 cm

Price: $ 450.00
Including VAT / without shipping cost

Category: Africa, Classic localities, Minerals

Azurite

Very nice azurite specimen with some malachite.

Locality: Tsumeb, Namibia

Size: 5 x 4 cm

Price: $ 850.00
Including VAT / without shipping cost

Category: Africa, Classic localities, Minerals

Azurite

Azurite with some dolomite and conicalcite. Typical paragenesis from the Easter find of 1994.

Locality: Tsumeb, Namibia

Size: 7 x 7 x 3,5 cm

Price: $ 450.00
Including VAT / without shipping cost

Category: Africa, Classic localities, Minerals

Copper

Spherical, skeletal Copper crystals.

Locality: Tsumeb, Namibia

Size: 10 x 5 x 4 cm

Price: $ 1,500.00
Including VAT / without shipping cost

Category: Africa, Classic localities, Minerals

Zinc – Dolomite

Spherical, encrusted, white crystals.

Locality: Tsumeb Mine, Namibia

Size: 7 x 7 x 5 cm

Price: $ 260.00
Including VAT / without shipping cost

Category: Africa, Classic localities, Minerals

Tennantite

Magnificent specimen with 2 cm large fissured tennantite crystals on white quartz crystals.

Locality: Tsumeb Mine, Namibia

Size: 8 x 6 x 4 cm

Price: $ 450.00
Including VAT / without shipping cost

Category: Africa, Classic localities, Minerals

Calcite with Dioptase inclusions

Very pretty specimen with many highly lustrous calcite crystals through which the light green dioptase shines through.

Locality: Tsumeb Mine, Namibia

Size: 6,5 x 5 x 4 cm

Price: $ 120.00
Including VAT / without shipping cost

Category: Africa, Classic localities, Minerals

Cerussite

Beautiful twinned Crystal from Tsumeb

Locality: Tsumeb Mine, Namibia, Africa

Size: 4 x 3,5 cm

Price: $ 1,200.00
Including VAT / without shipping cost

Category: Africa, Classic localities, Minerals

Malachite, Tsumeb

Very unusual group of Malachite balls, together with some unidentified yellow and applegreen microcrystals.

Locality: Tsumeb Mine, Otavi highland, Namibia

Size: About 7 x 7 cm

Price: $ 460.00
Including VAT / without shipping cost

Category: Africa, Classic localities, Minerals

Zepteramethyst

New find from Sambia.

Category: Africa, Minerals, New Minerals

Tourmaline

Excellent bicoloured Tourmalin (var. Elbaite) crystal.

Locality: Goma Kongo

Size: about 7 x 3 cm

Price on request

Category: Africa, Minerals