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Peridot Grains in a Volcanic Bomb of basalt

Published November 15, 2015 at 800 × 590 in Collecting Peridot in New Mexico – Olivine Bombs at Kilbourne Hole – Find Green Rocks in a Volcano!
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Peridot Grains in a Volcanic Bomb of basalt

Peridot Grains in a Volcanic Bomb of basalt – Notice the larger grains on the left side of the photo. These grain are almost large enough to produce a cut stone.

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