Calaverite

Sacarîmb | Nagyág | Deva | Alba Co. | Hunedora | Transylvania | Romania

Size: 4.0 x 2.9 x 1.2 cm

Price: € 2,800.00 ~ 3271.52 $
incl. VAT, excl. Shipping Costs

This is an unusually attractive miniature with very bright and excellent defined crystals of rare gold-telluride Calaverite. There are severa ...

Fluor-Buergerite

Fluor-Buergerite Occurrence | Mexquitic de Carmona | San Luis Potosí | Mexico

Size: 5.4 x 4.5 x 1.6 cm

Price: € 1,200.00 ~ 1402.08 $
incl. VAT, excl. Shipping Costs

An excellent and very aesthetic slab, abundantly covered with excellent short prismatic Fluor-Buergerite crystals up to 1 cm with their typic ...

Mcgovernite & Franklinite & Willemite

Sterling Hill | Ogdensburg | Franklin | Sussex Co. | New Jersey | USA

Size: 5.5 x 5.0 x 4.2 cm

Price: € --.-- --.-- $
incl. VAT, excl. Shipping Costs

This is a very attractive specimen of the EXTREMELY RARE silicate McGovernite from the Sterling Hill Mine, the TYPE LOCALITY in the Franklin ...

Thomsenolite

Ivigtut | Arsuk Fjord | Sermersooq | Greenland

Size: 5.4 x 4.3 x 3.6 cm

Price: € --.-- --.-- $
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Good Thomsenolite pieces with isolated crystals as we see here, are relatively rare, and this is an excellent, all around crystallized speci ...

Shomiokite-(Y) & Sidorenkite

Shomiokitovoe Pegmatite | Umbozero Mine | Alluaiv Mountain | Lovozersky District | Murmansk Oblast | Ru$$ia

Size: 7.3 x 5.7 x 4.1 cm

Price: € --.-- --.-- $
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A truly outstanding piece of two rare species. Sidorenkite, as a honey-yellow gemmy, highly lustrous single crystal associated with the extre ...

Mendipite & Chloroxiphite

Merehead Quarry | Mendip Hills | Somerset | England

Size: 8.1 x 6.5 x 2.9 cm

Price: € --.-- --.-- $
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Here we see a truly superb specimen of two rare species, with the Mendip Hills also being the type locality for Mendipite. This particular sp ...

Diaboleite

Mammoth-Saint Anthony Mine | Tiger | Mammoth | Pinal Co. | Arizona | USA

Size: 4.5 x 2.8 x 2.1 cm

Price: € --.-- --.-- $
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Diaboleit is a very rare lead-copper-halide and here we have an exceedingly rich and well crystallized specimen from the famous Mammoth-Sai ...

Semseyite

Baia Sprie Mine (Felsobánya Mine) | Baia Sprie | Maramureș | Romania

Size: 7.2 x 5.1 x 3.6 cm

Price: € --.-- --.-- $
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This stunning, 7 cm tall Semseyite specimen is one of the best ever that went through my hands. A superb 3-dimensional piece, much better in ...

Argyrodite

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

Size: 3.3 x 2.4 x 2.0 cm

Price: € --.-- --.-- $
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You are looking at a very excellent German Argyrodite specimen. Steel-gray, metallic crystals shape spherical-stalactitic aggregates, which h ...

Glaukosphaerite

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

Size: 6.9 x 4.9 x 2.2 cm

Price: € --.-- --.-- $
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Glaucosphaerite is an extremely rare Copper-Nickel Carbonate and this exceptional specimen is literally covered in light green, acicular Glau ...

Matlockite

Bage Mine | Cromford | Matlock | Derbyshire | England

Size: 2.2 x 1.8 x 1.3 cm

Price: € --.-- --.-- $
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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 ...

Niobophyllite Ex Anka & Uli Bahmann coll

Mount Malosa | Zomba Plateau | Malawi

Size: 6.5 x 3.1 x 1.5 cm

Price: € --.-- --.-- $
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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 ...