Grunerite : ◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2
Mindat locality:
Photo added to mindat.org
“Brownish fibrous masses of grunerite.
Size of specimen: 4,5 x 3 cm
Photo & collection: A. Michalsen”
Atle Michalsen - 2nd March 2012
No-one has added this to their favourites.
10,443,468 minIDs have been issued as of 26th Apr 2024 6:00 am UTC