Biotite

Biotite

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16.2" Book of Black BIOTITE MICA Shiny Crystal Sheets Bear Lake Ontario for sale

16.2" Book of Black BIOTITE MICA Shiny Crystal Sheets Bear Lake Ontario for sale

This is an extra-large, lustrous book of iron-rich midnight black biotite mica. The biotite is forme.....
$80.00
16.5" Large Book of Shiny Black BIOTITE MICA Crystals Bear Lake Ontario for sale

16.5" Large Book of Shiny Black BIOTITE MICA Crystals Bear Lake Ontario for sale

This is an extra large 16.5"  crystal "book" of biotite mica, the variety of mica that is black.....
$65.00
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
6.2" Book of Black Iron-Rich BIOTITE MICA Thin Layered Crystal Ontario for sale

6.2" Book of Black Iron-Rich BIOTITE MICA Thin Layered Crystal Ontario for sale

This is a large, lustrous book of iron-rich, midnight black biotite mica. The biotite is formed in t.....
$50.00
8" Large Book Dark Black BIOTITE MICA Crystal Sheets Bear Lake Ontario for sale

8" Large Book Dark Black BIOTITE MICA Crystal Sheets Bear Lake Ontario for sale

Here is a large book of iron-rich, midnight black biotite mica. Biotite forms in thin lamellae sheet.....
$50.00
8.1" Big Book Jet Black BIOTITE MICA Crystal Sheets Bear Lake Ontario for sale

8.1" Big Book Jet Black BIOTITE MICA Crystal Sheets Bear Lake Ontario for sale

This is a specimen of biotite mica that is the iron-rich, dark brownish black cousin of muscovite mi.....
$50.00
8.4" Iron-Rich Black BIOTITE MICA Crystal Book of Thin Sheets Canada for sale

8.4" 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 .....
$70.00
8.5" Jet Black Book of Iron-Rich BIOTITE MICA Crystals Bear Lake Canada for sale

8.5" 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.....
$75.00