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Hexagonal Point Group 6m Crystals are subhedral to 0 2 mm in very
Semitransparent Color Colorless
Space Group P63m synthetic
3 other sections not shown
2V(meas 7th edition aggregates Amer analyses Association Australia average Berman Biaxial Black blue Brazil Brittle brown Bull Canada Cave Cell Data Chemistry Cleavage Color colorless complex corresponds Crystal Data crystal structure Czech Republic D(calc D(meas Dana's system deposit Dispersion Distribution district electron microprobe elongated England English abs forms Fracture France Frondel Germany granite pegmatites green greenish Hardness Hill honor hydrothermal iron Italy Jersey localities Luster massive Mexico Mineral Mineral Group mines Monoclinic Mountains Museum of Natural Name Namibia National Museum nearly North Occurrence Optical Class Optical Properties Orientation oxidized zone Palache pale yellow pegmatite perfect phosphate Physical Properties Pleochroism Point Group prismatic Province quarry quartz References Russia Semitransparent South Dakota Space Group Streak strong Sweden system of mineralogy tabular Tenacity transmitted light Tsumeb Twinning Type Material typically University Vitreous Washington White X-ray Powder Pattern yellowish