Cryolite & Siderite

Ivigtut | Arsuk Fjord | Sermersooq | Greenland

Size: 7.1x5.0x3.2cm

Price: € 350.00 ~ 369.67 $
incl. VAT, excl. Shipping Costs

This superb combination specimen with large, white to colorless translucent cleaves of Cryolite and olive-brown translucent Siderite rhombohedrons with clear cleavage planes. The specimen ...

Niobophyllite & Aegirine

Mount Malosa | Zomba Plateau | Chilwa Alkaline Area | Malawi

Size: 6.7x4.0x1.5cm

Price: € 900.00 ~ 950.58 $
incl. VAT, excl. Shipping Costs

A huge, bronze-colored and highly lustrous cluster of the extremely rare inosilicate Niobophyllite made up of smaller tabular crystals. Over the many years of active mining at the numerou ...

Niobophyllite & Aegirine

Mount Malosa | Zomba Plateau | Chilwa Alkaline Area | Malawi

Size: 5.0x3.6x2.6cm

Price: € 350.00 ~ 369.67 $
incl. VAT, excl. Shipping Costs

What a wonderful miniature-sized specimen with epitaxial grown thin-tabular, bronze-colored and lustrous crystals of the extremely rare Niobophyllite, a member of the Apophyllite group. ...

Helvine Caysichite-(Y)

Mount Malosa | Zomba Plateau | Chilwa Alkaline Area | Malawi

Size: 8.7x7.6x4.1cm

Price: € 1800.00 ~ 1901.16 $
incl. VAT, excl. Shipping Costs

An extremely rare combination specimen from high plateau of Mount Malosa, Malawi, with the Helvin/Genthelvin already being in a class of its own. A gigantic, dark brown, slightly altered ...

Cerianite-(Ce) & Epididymite

Mount Malosa | Zomba Plateau | Chilwa Alkaline Area | Malawi

Size: 9.0x6.3x5.3cm

Price: € 2500.00 ~ 2640.50 $
incl. VAT, excl. Shipping Costs

This is an incredibly rich combination specimen packed with absolute rarities such as large snow-white clusters of the rare Sodium-Beryllium silicate Epididymite from the world-famous Mou ...

Epididymite TWINNED

Mount Malosa | Zomba Plateau | Chilwa Alkaline Area | Malawi

Size: 4.3x2.9x1.5cm

Price: € 2500.00 ~ 2640.50 $
incl. VAT, excl. Shipping Costs

At first glance, this piece could be mistaken for Eudidymite, which is quite common in the East African alkali pegmatites at Mount Malosa. However, this piece is an excellently twinned, H ...

Siegenite & Dolomite

Sweetwater Mine | Ellington | Reynolds Co. | Missouri | USA

Size: 7.9x5.3x3.9cm

Price: € 800.00 ~ 844.96 $
incl. VAT, excl. Shipping Costs

This is a rare classic from the mid-west Sweetwater Mine: Just under 3 mm octahedral Siegenite crystals are assocated with some Chalcopyrite and Galena on white rhombohedral Dolomite crys ...

Plagionite on Galena

Pfannenberger Einigkeit Mine | Salchendorf | Siegen | Siegerland | North Rhine-Westphalia | Germany

Size: 10.4x6.5x3.5cm

Price: € 2500.00 ~ 2640.50 $
incl. VAT, excl. Shipping Costs

Good Plagionite specimens from the Pfannenberger Einigkeit Mine near Salchendorf in the Siegerland district are extremely rare, as many of these specimens are confused with similar-lookin ...

Phosgenite

Monteponi | Iglesias | Sardinia | Italy

Size: 2.6x2.4x1.9cm

Price: € 200.00 ~ 211.24 $
incl. VAT, excl. Shipping Costs

This piece is both a display-quality thumbnail specimen as well as a piece of historical interest. An extremely well crystallized Phosgenite measuring 1.5 cm is prominently exposed on typ ...

Gaidonnayite on Smoky Quartz

Poudrette Quarry | Mont Saint Hilaire | Montérégie | Québec | Canada

Size: 4.1x2.9x2.7cm

Price: € 250.00 ~ 264.05 $
incl. VAT, excl. Shipping Costs

Gaidonnayite is a highly rare Sodium-Zirconium silicate and the orthorombic dimorph (the same chemical composition but with different crystalline structures) of the monoclinic species Cat ...

Biehlite

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

Size: 3.5x2.5x1.7cm

Price: € 1800.00 ~ 1901.16 $
incl. VAT, excl. Shipping Costs

I have mentioned earlier that the José Maria Patoni Mine in the Mexican state of Durango is known for its Calcite in optical quality, transparency/translucency of the crystals, and the cr ...

Lead

Långban | Filipstad | Värmland | Sweden

Size: 4.0x2.4x2.3cm

Price: € 2800.00 ~ 2957.36 $
incl. VAT, excl. Shipping Costs

Here is another very sculptural native Lead on-matrix specimen from the classic Swedish Långban Mine. The above-average well-developed light gray Lead crystals measure up to 1.6 cm and ar ...