Matlockite

Bage Mine | Cromford | Matlock | Derbyshire | England

Size: 2.2 x 1.8 x 1.3 cm

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This is a very excellent of the extremely rare Lead mineral Matlockite, which was first discovered in the middle of the 19th century and name ...

Bayldonite pseudomorph after Mimetite

Tsumeb Mine (Tsumcorp Mine) | Tsumeb | Otjikoto Region | Namibia

Size: 3.0 x 1.8 x 1.0 cm

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Here is another classic Tsumeb specimen: a highly coveted pseudomorph of Bayldonite after Mimetite. A super aesthetic, 3 cm tall spray of bri ...

Niobophyllite Ex Anka & Uli Bahmann coll

Mount Malosa | Zomba Plateau | Malawi

Size: 6.5 x 3.1 x 1.5 cm

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Here we have a wonderful piece of a Niobophyllite crystal, nicely exposed on Microcline matrix. Niobophyllite is an EXTREMELY RARE species co ...

Dolomite Ex Dr. Joachim Jahn coll.

Cantera Azcárate | Eugui | Pamplona | Navarre | Spain

Size: 7.2 x 6.3 x 5.2 cm

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Dolomite is generally considered a rather boring whitish, grayish, beige mineral, mainly a matrix mineral for any other "more interesting" sp ...

Cuprite

Kombat Mine | Kombat | Grootfontein | Otjozondjupa Region | Namibia

Size: 5.9 x 3.6 x 2.8 cm

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An extremely fine specimen consisting of a rich Copper ore matrix with a wide open vug. The cavity is richly covered with distinctly dark red ...

Chabazite-Ca Ex Dr. N. Pesl collection

Maglovec Quarry | Vyšná Šebastová | Prešov District | Slovakia

Size: 9.1 x 5.6 x 3.9 cm

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A very fine specimen of Chabazite from Maglovec Quarry, an active stone pit where Andesite and Dioritporphyrite is mined. The place is known ...

Chalcopyrite Var. Blister Copper

Levant Mine | Trewellard | St. Just | Cornwall | England

Size: 10.1 x 5.9 x 3.9 cm

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A specimen of Blister Copper, the spherical form of Chalcopyrite, which is well known from numerous mines in Cornwall, the most southwesterly ...

Amethyst

Wave Hill Station | Kalkarindji | Victoria-Daly | Northern Territory | Australia

Size: 10.2 x 7.2 x 3.9 cm

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Here is yet another Amethyst specimen from a lesser-known locality: Wave Hill station, a cattle transfer station in the Australian outback of ...

Scholzite Ex Dr. Gerd Tremmel coll.

Skorpion Mine | Rosh Pinah | Oranjemund | Lüderitz District | Namibia

Size: 8.4 x 4.9 x 4.4 cm

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Good Scholzite crystal specimens are probably better known from the locality Reaphook Hill in Australia’s Outback. However, this superb Schol ...

Charlesite & Calcite

Wessels Mine | Kuruman | Kalahari-Mn-Fields | South Africa

Size: 6.2 x 5.6 x 3.9 cm

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An excellent combination specimen with very beautifully crystallized six-sided Charlesite, very rich on the back and equally beautifully crys ...

Malachite Ex Dr. Schönfelder coll.

Anna Quarry | Letmathe | Hagen | North Rhine-Westphalia | Germany

Size: 8.2 x 5.9 x 3.5 cm

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This exceptional specimen evokes memories of Malachite from Siegerland, but it is very typical for the abandoned Anna Quarry near the town of ...

Willemite

Berg Aukas Mine | Grootfontein | Otjozondjupa Region | Namibia

Size: 7.8 x 5.2 x 4.4 cm

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This stunning matrix piece features pale apple green spheres and aggregates composed of little spiky crystals of sparkling Willemite. What is ...