Search Results for: Fracture appliances
mineral species. can. mineral., , – . the mineral occurs as dark brown to black, irregular aggre- gates, to μm, of light brown, lath-like crystals in fan-like divergent sprays. the crystals are typically about × μm, elongate [ – ] and flattened on { }. vitreous luster, beige streak, brittle, irregular fracture
= ( ), b = ( ), c = ( ) å, β = ( )° as refined from a gandolfi pat- tern (fekα radiation) with strongest lines of ( ), ( ), ( –), ( ), and ( ). the structure is related to that of bermanite. the mineral occurs as an overgrowth on collinsite- fairfieldite, whitlockite, and other phosphates on a fracture...
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