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Plagioclase | |
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Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia A mineral collectors dream: Crystal rain: A ball of platy crystals of plagioclase ejected as crystal lapillus from the 1975-1976 eruption of the Large Fissure of the Tolbachik volcano during an explosive eruption. The crystals are somewhat damaged from the fall. The crystals are covered by a thin crust of volcanic glass. The plagioclase are ... |
| © OT. Ljostad | Photo ID: 23459 View Count: 1646 |
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