Biotite

Biotite

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4.8" Flashy Black BIOTITE MICA w/Green APATITE Crystal Bear Lake Canada for sale

4.8" Flashy Black BIOTITE MICA w/Green APATITE Crystal Bear Lake Canada for sale

Here is a large, lustrous book of iron-rich midnight black biotite mic, with a large green apatite c.....
$50.00
5.5" Jet Black Book of Iron-Rich BIOTITE MICA Crystals Bear Lake Canada for sale

5.5" Jet Black Book of Iron-Rich BIOTITE MICA Crystals Bear Lake Canada for sale

This is a specimen of biotite mica that is the iron-rich, dark brownish black cousin of muscovite mi.....
$40.00
6" Iron-Rich Black BIOTITE MICA Crystal Book of Thin Sheets Canada for sale

6" Iron-Rich Black BIOTITE MICA Crystal Book of Thin Sheets Canada for sale

Biotite mica is the iron-rich analog of clear muscovite mica.  Like muscovite, thin sheets can .....
$60.00