Chalcedony on Siderite

Hüttenberger Erzberg | Hüttenberg | Sankt Veit an der Glan | Carinthia | Austria

Size: 5.4x5.3x3.1cm

Price: € 150.00 ~ 174.21 $
incl. VAT, excl. Shipping Costs

An extremely pretty collector´s item with glassy, botryoids of light grey-blue Chalcedony with a characteristic greasy luster. Very typical for the locality Hüttenberger Erzberg, the matr ...

Argyrodite

Himmelsfürst Mine | Brand-Erbisdorf | Freiberg | Saxony | Germany

Size: 3.3x2.4x2.0cm

Price: € 2500.00 ~ 2903.50 $
incl. VAT, excl. Shipping Costs

You are looking at a very excellent German Argyrodite specimen. Steel-gray, metallic crystals shape spherical-stalactitic aggregates, which have hollow shapes (casts?) on the bottom of th ...

Rhodonite & Galena

North Mine | Broken Hill | New South Wales | Australia

Size: 3.8x3.5x2.0cm

Price: € 1200.00 ~ 1393.68 $
incl. VAT, excl. Shipping Costs

This is an excellent Rhodonite crystal measuring 2.7 x 1 x 1 cm with excellent terminations and a small sidecar of the same species. The blood red Rhodonite crystals are absolutely gemmy ...

Otavite ANALYZED

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

Size: 3.7x2.4x1.8cm

Price: € 850.00 ~ 987.19 $
incl. VAT, excl. Shipping Costs

Another great specimen of the extremely rare Cadmium Carbonate Otavite, on this specimen again, accompanied by botryoidal blue-green Rosasite. Just like the previous specimen, this associ ...

Otavite ANALYZED

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

Size: 5.3x4.6x2.7cm

Price: € 4500.00 ~ 5226.30 $
incl. VAT, excl. Shipping Costs

This is a fine old-time miniature sized specimen with the very rare cadmium carbonate Otavite, typically accompanied by less blue-green Rosasite. In this case you see glistening cream-whi ...

Rhodochrosite

Uchucchacua Mine | Oyon | Lima Department | Peru

Size: 6.6x5.4x2.9cm

Price: € 800.00 ~ 929.12 $
incl. VAT, excl. Shipping Costs

This is an excellent Peruvian Rhodochrosite specimen from the Uchucchacua Mine, which is well-known for Silver and Rhodochrosite. Deep raspberry red, somewhat blocky crystals with Roman s ...

Malachite

Hohenlimburg Quarry | Hohenlimburg | Hagen | North Rhine-Westphalia | Germany

Size: 4.8x3.4x2.8cm

Price: € 200.00 ~ 232.28 $
incl. VAT, excl. Shipping Costs

This is an exceptionally beautiful Malachite specimen from the Hohenlimburg limestone quarry near the town of Hagen in northwest Germany. Several intensely green sprays, well over 1/2 cen ...

Glaukosphaerite

Kasompi Mine | Mutshatsha | Lualaba | Dem. Rep. of Congo

Size: 6.9x4.9x2.2cm

Price: € 700.00 ~ 812.98 $
incl. VAT, excl. Shipping Costs

Glaucosphaerite is an extremely rare Copper-Nickel Carbonate and this exceptional specimen is literally covered in light green, acicular Glaucosphaerite crystals up to several mm in size. ...

Glaucodot

Tunaberg | Nyköping | Södermanland County | Sweden

Size: 1.4x1.0x0.9cm

Price: € 300.00 ~ 348.42 $
incl. VAT, excl. Shipping Costs

A textbook crystallized Glaucodot crystal associated with two smaller "cousins" from the world-famous Swedish site of Tunaberg. Although the main crystal is not quite perfect, it is extre ...

Gahnite

Franklin Mine | Franklin | Sussex Co. | New Jersey | USA

Size: 3.0x2.2x2.1cm

Price: € 250.00 ~ 290.35 $
incl. VAT, excl. Shipping Costs

A jet-black Gahnite octahedron perched on a Calcite cleave from the famous Franklin Mine in New Jersey. Gahnite is a relatively rare Zinc-Aluminum oxide of the Spinel group and the presen ...

Prehnite

La Combe de la Selle | St-Christophe-en-Oissans | Grenoble | Isére | France

Size: 5.5x4.1x2.4cm

Price: € 200.00 ~ 232.28 $
incl. VAT, excl. Shipping Costs

Beautiful hemispheric cluster of countless, slightly curved, sharp Prehnite crystals with excellent vitreous luster. The crystals are translucent to slightly transparent and have an apple ...

Matlockite

Bage Mine | Cromford | Matlock | Derbyshire | England

Size: 2.2x1.8x1.3cm

Price: € 2400.00 ~ 2787.36 $
incl. VAT, excl. Shipping Costs

This is a very excellent of the extremely rare Lead mineral Matlockite, which was first discovered in the middle of the 19th century and named for a deposit near Matlock in Derbyshire, En ...