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Schorl

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MEX95047

Schorl

Ex-Collection Rosenbaum, Bad Ems
Classic Locality

Description Tabs

Description
Locality: 
Grummetstock Mine, Gottesberg, Tannenbergsthal, Muldenhammer, Saxony, Germany
Size Range: 
Cabinet (10-18 cm)
Size: 
15.5 × 7.2 × 10.2 cm
Description

Massive schorl rock from saxon vogtland. The black member of tourmaline group is growning in spherulitic structure with 1 cm diameter.

The specimen is found by Rosenbaum, Bad Ems in 1993 himself. He was one of last miners in Rosenberg Mine, Bad Ems.

Mineral Data
What's on the rock

Schorl

Formula: 
Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.0