Pingwu beryl mine,Huya township, Mt Xuebaoding, Pingwu Co., Mianyang, Sichuan, China
Be3Al2Si6O18
Crystal System: hexagonal
Colour: colorless, green, blue, yellow, white or pink
Habitus: prismatic to tabular
Hardness: 7½ - 8
Fracture: conchoidal or uneven
Cleavage: imperfect/fair {0001}
Density: 2.63 - 2.92 g/cm3
Origin and geological occurrence: it is found in granites and granite pegmatites; also in mafic metamorphic rocks, in low-to high-temperature hydrothermal veins and in vugs in rhyolite.
Samples:
9C.3 Beryl
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