Kleinite

McDermitt Mine | Opalite Mining Dist. | Humboldt Co. | Nevada | USA

Size: 3.8x2.9x2.5cm

Price: € 250.00 ~ 265.95 $
incl. VAT, excl. Shipping Costs

This is a very rich and colorful specimen of Kleinite on a brecciated andesitic pyroclastic matrix. It was apparently recovered before its closure in 1990. Abundant, relatively well-forme ...

Argyrodite

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

Size: 3.3x2.4x2.0cm

Price: € 2500.00 ~ 2659.50 $
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 ...

Fluor-Buergerite

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

Size: 5.4x4.5x1.6cm

Price: € 1200.00 ~ 1276.56 $
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 typical trigonal cross section. Fluor-Buergerite is ...

Glaukosphaerite

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

Size: 6.9x4.9x2.2cm

Price: € 900.00 ~ 957.42 $
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. ...

Charlesite

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

Size: 4.4x3.6x2.2cm

Price: € 400.00 ~ 425.52 $
incl. VAT, excl. Shipping Costs

A very excellent miniature-sized specimen of the rare and geochemically extremely complex mineral species Charlesite which is member of the Ettringite group. It is from the famous Wessels ...

Niobophyllite Ex Anka & Uli Bahmann coll

Mount Malosa | Zomba Plateau | Malawi

Size: 6.5x3.1x1.5cm

Price: € 850.00 ~ 904.23 $
incl. VAT, excl. Shipping Costs

Here we have a wonderful piece of a Niobophyllite crystal, nicely exposed on Microcline matrix. Niobophyllite is an EXTREMELY RARE species containing niobium and titanium, the best of whi ...

Gratonite

Excelsior Mine | Cerro de Pasco | Pasco Department | Peru

Size: 3.3x2.5x2.1cm

Price: € 2800.00 ~ 2978.64 $
incl. VAT, excl. Shipping Costs

We are looking at one of the best small miniature-sized Gratonite we have ever laid our hands on. It comes from the TYPE LOCALITY, the Excelsior Mine on Cerro Pasco in the Peruvian Andes. ...

Tarbuttite

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

Size: 5.4x4.4x1.7cm

Price: € 650.00 ~ 691.47 $
incl. VAT, excl. Shipping Costs

This is a specimen of Tarbuttite over 5 cm tall, and with excellent euhedral tabular crystals. These have pale mint-colored, glassy-transparent terminations and slightly frosted prism fac ...

Franckeite Ex Richard A. Kosnar

San José Mine | Oruro | Cercado Province | Oruro | Bolivia

Size: 8.2x4.5x2.3cm

Price: € 950.00 ~ 1010.61 $
incl. VAT, excl. Shipping Costs

Franckeite, a rare Lead-Antimony Sulfosalt, commonly occurs as tabular crystal clusters intergrown in ore matrix. Free-standing crystals of Franckeite are rather rare. In this case, howev ...

Calaverite

Perseverance Gold Mine | Kalgoorlie | Kalgoorlie-Boulder Shire | Australia

Size: 5.1x4.7x2.6cm

Price: € 550.00 ~ 585.09 $
incl. VAT, excl. Shipping Costs

This excellent specimen hosts a rich and solid ore vein of Calaverite on matrix. The Calaverite here has great metallic gloss and silvery-brassy colour. This is an unusually large and ric ...

Schneiderhohnite Ex Dr. Gerd Tremmel coll.

Urucum Mine | Galiléia | Doce Valley | Minas Gerais | Brazil.

Size: 5.1x3.5x1.6cm

Price: € 850.00 ~ 904.23 $
incl. VAT, excl. Shipping Costs

Actually Schneiderhohnite is a part of Tsumebs "Holy Grail Species", but here we have a super fine specimen from well known Brazilian locale Urucum Mine of Galiléia in Minas Gerais. Defin ...

Hedyphane

Apex Mine | San Carlos | Manuel Benavides Mun. | Chihuahua | Mexico

Size: 8.1x4.3x3.3cm

Price: € 750.00 ~ 797.85 $
incl. VAT, excl. Shipping Costs

Here we have a superb specimen, loaded with several spherical aggregates of nicely crystallized Hedyphane from the well known Mexican locale Apex Mine of San Carlos, Chihuahua. Hedyphane ...