Pingwu beryl mine (Huya W-Sn-Be deposit; Xuebaoding W-Sn-Be deposit), Huya township, Mt Xuebaoding, Pingwu Co., Mianyang, Sichuan, China


Crystal System: tetragonal
Colour: tan, golden-yellow, colourless, white, greenish, dark brown
Lustre: adamantine, vitreous
Habitus: bipyramidal pseudoctahedral crystals; commonly in granular or massive aggregate
Hardness: 4½ - 5
Fracture: irregular/ineven, sub-conchoidal
Cleavage: distinct on {101}, interrupted on {112}, indistinct on {001}
Density: 6.09 g/cm
Origin and geological occurrence: common in pegmatite and high-T hydrothermal veins. Also in metamorphic rocks and alluvial deposits
Smorf link


r16 scheelite

7.16 Scheelite
Orange pseudoctahedral crystals with calcite