| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Canada > Biotite |
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| DESCRIPTION: | No. 17153 |
| Mineral: | Biotite |
| Locality: | Bear Lake, near Tory Hill, Bancroft District, Ontario, Canada |
| Description: | Complex crystals, in parallel formation, of lustrous, black biotite with minor diopside (?) crystals on the rear. The biotite crystals are excellent, complex form, uncommon for this common mineral. Ex. A. Stevenson collection #721 |
| Overall Size: | 25x24x18 mm |
| Crystals: | 5-15 mm |
| Archived: | For reference only |
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