braunite from gremmelsbach, germany
braunite from gremmelsbach, germany

Braunite from Gremmelsbach, Germany

A silicate mineral containing both divalent and trivalent Manganese.

£15.00

SKU: 81954 Categories: , Tag:

Braunite from Gremmelsbach, Triberg im Schwarzwald, Baden-Württemberg, Germany

A silicate mineral containing both divalent and trivalent Manganese, with the formula Mn2+Mn3+6[O8|SiO4].

 

We currently have a single small piece in stock:

  • #1 - 21x16x13MM - from a vintage german collection; it would benefit from remounting/reboxing.

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