Semseyite

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

Size: 5.7x3.0x1.6cm

Price: € 350.00 ~ 406.49 $
incl. VAT, excl. Shipping Costs

Radial clusters of prismatic, steel-gray, metallic Roman sword-shaped Semseyite crystals up to 1 cm tall are associated with some Galena on Sphalerite matrix. The perfection of the crysta ...

Jacobsite

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

Size: 4.6x3.1x1.2cm

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

This is certainly one of the largest and richest Jacobsite specimens we have had for sale in recent years. The display side is literally covered in steel-gray octahedrons of the rare (acc ...

Kleinite

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

Size: 3.8x2.9x2.5cm

Price: € 250.00 ~ 290.35 $
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 ...

Charlesite

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

Size: 4.4x3.6x2.2cm

Price: € 400.00 ~ 464.56 $
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 ...

Gratonite

Excelsior Mine | Cerro de Pasco | Pasco Department | Peru

Size: 3.3x2.5x2.1cm

Price: € 2800.00 ~ 3251.92 $
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. ...

Franckeite Ex Richard A. Kosnar

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

Size: 8.2x4.5x2.3cm

Price: € 950.00 ~ 1103.33 $
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 ...

Schneiderhohnite Ex Dr. Gerd Tremmel coll.

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

Size: 5.1x3.5x1.6cm

Price: € 850.00 ~ 987.19 $
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 ~ 871.05 $
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 ...

Fersmanite

Vein No. 1 of Labuntsov | Eveslogchorr | Khibiny | Murmansk Oblast | Russia

Size: 7.4x4.1x3.8cm

Price: € 450.00 ~ 522.63 $
incl. VAT, excl. Shipping Costs

Here we see a fine and very rich specimen of the very rare sorosilicate Fersmanite which was named after Aleksandr Evgenievich Fersman, the founder of the Fersman Mineralogical Museum in ...

Defernite

Kombat Mine | Kombat | Grootfontein | Otjozondjupa Region | Namibia

Size: 6.0x3.9x2.7cm

Price: € 340.00 ~ 394.88 $
incl. VAT, excl. Shipping Costs

This is a fine piece with a matrix consisting of granular Hematite. It features wonderful, embedded brown and light yellowish-gray crystals and masses of SUPER-RARE species Defernite. Thi ...

Defernite

Kombat Mine | Kombat | Grootfontein | Otjozondjupa Region | Namibia

Size: 6.1x3.6x2.8cm

Price: € 360.00 ~ 418.10 $
incl. VAT, excl. Shipping Costs

Here we have a typically granular Hematite bearing matrix with embedded brown and light yellowish-gray crystals and masses of SUPER-RARE species Defernite from the well known Kombat Mine ...

Sylvanite

Roşia Montană | Verespatak | Baia de Arieș | Alba | Transylvania | Romania

Size: 6.8x4.5x4.0cm

Price: € 1650.00 ~ 1916.31 $
incl. VAT, excl. Shipping Costs

Here we see a superfine specimen with numerous of well developed, sharp and mirror bright crystlas of Sylvanite scattered over the matrix. Sylvanite, the rare silver and gold telluride, w ...