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Biotite var. Manganophyllite (rare - old)
- Harstigen Mine, Pajsberg, Varmland, Sweden
- Miniature, 4.3 x 3.1 x 1.6 cm
- Start Time: 08/15/2014 6:30:00 pm (CDT)
- End Time: 08/21/2014 6:30:00 pm (CDT)
- Auction Closed
Item Description
Manganophyllite is the rare Mn-rich variety of biotite and was originally described from the Harstigen Mine in 1890. Lustrous magenta plates to 4 mm are richly embedded on all sides of the schist matrix. Documented specimens from the 'Type Locality' are EXTREMELY RARE. From a museum collection. Valued at $900.