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Biotite
Silver Crater Mine, Faraday Township, Hastings Co., Ontario, Canada
5.7 x 6.9 cm.
Pseudohexagonal crystal of black biotite. Collected in 1962 when it went by the name lepidomelane. (Author: crosstimber)
| Dimensions: | 800 x 554 |
| File size: | 61.68 kbytes |
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