TrekGEO > Mineral Trail > Tokai region > Shizuoka pref. > β-Quartz

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Hama, Kawazu city, Kamo county, Shizuoka pref., Japan

IMA approved name

Quartz pseudomorph after β-Quartz

Source for silicon


Size of the crystal: 5 mm. Quartz pseudomorph after β-quartz. Hexagonal bipyramidal crystals are β-quartz. The opaque white tabular crystals are orthoclase.

Recovered from weathered surface of rhyolite erupted from a volcano of an island arc. Formed in the late Miocene (7 Ma).

Beta-Quartz from this location was described in 1903.

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