Titanite
Kola Peninsula, Russia
section: 5 x 5 cm
(entire piece: 7 x 5 x 4 cm - loaded in my album in the Spanish FMF)
Not a specifically alkaline mineral, but in a pretty unusual habit. (Author: kakov)
Dimensions: | 1500 x 1600 |
File size: | 464.5 kbytes |
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