Hornblende
RocksForKids.com
| Hornblende is found in many
igneous and metamorphic rocks such as granite, syenite, diorite, gabbro
basalt, andesite, gneiss and schist. It is the principal mineral of amphibolites. It is not technically a mineral in its own right. |
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This specimen shows dark brown hornblende crystals set in a piece of weathered calcite.
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| Hornblende from Bear Lake Claim, Bancroft, Ontario CANADA | |
| Hornblende from Miller Property, Eganville, Ontario CANADA | |