Worldwide minerals from extra-alpine localities
20-011 Marcasite - 280 €
Zeche Friedrich der Grosse (historic black coal underground mine), Herne, Ruhrgebiet, Germany
Size: 9 x 5 x 4 cm
A cleft on the 6. level opened in the late 1950's produced what is considered the best Marcasite specimen in the history of Ruhr underground mining. Characteristic exemplar with "christmas tree" habit.
Chalcopyrite, Quartz and Dolomite - sold
Baia Sprie, Maramureș Co., Romania
Size: 9.5 x 7 x 6 cm
Nicely balanced assembly of a chalcopyrite cluster next to a compact quartz crystal of similar size. The quartz exhibits the sprouting growth pattern typical for the locale. Some yellowish dolomite crystals are scattered over the specimen. There is slight edge wear at the tip of the quartz crystal.
Anatase on Quartz - sold
Kharan, Baluchistan, Pakistan
Size: 24 x 12 x 11 mm
Doubly-terminated anatase crystal on doubly-terminated quartz floater with green chlorite inclusions. Perfect aesthetics and condition.
Herkimer Diamond - sold
Herkimer Co., New York, USA
Size: 36 x 22 x 15 mm
Appealing, flawless floater of three brilliant Herkimer diamonds.
Elbaite with Lepidolite and Albite - sold
Paprok, Kamdesh District, Nuristan Province, Afghanistan
Size: 6.5 x 5.5 x 5 cm
Rose colored elbaite crystal with a light green zone below the termination, translucent and lustrous, with a group of lepidolite crystals and albite. The elbaite has a length of 33 mm. No significant damage.
Fluorite on Sphalerite - sold
Elmwood Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA
Size: 13 x 10.5 x 8.5 cm
Translucent, rose fluorite cubes with parqueted surface structures on sphalerites. The main crystal measures 3.5 cm on edge. No significant damage.
Quartz (Japan-law twin) with Pyrite and Sphalerite - sold
Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru
Size: 14.5 x 11 x 7.5 cm
A massy piece of limestone matrix totally covered by needle quartz crystals, pyrite cubes and sphalerite. A Japan-law twin with leg length of 3 cm is prominently grown on the quartz needles. The size of the pyrites reaches 1 cm per edge. Some contacts among the quartz needles.
Amethyst on Calcite - sold
Las Vigas, Veracruz, Mexico
Size: 7.5 x 5.5 x 3.5 cm
Doubly-terminated amethyst crystals of intense color saturation on brownish calcite crystals. No significant damage.