monoclinic
Crocoite
PbCrO4
Quick Facts
Hardness
2.5-3
Specific Gravity
5.97-6.02
Refractive Index
2.31-2.66
Crystal Structure
monoclinic[2/m]:{110}@1.0 + {100}@0.7 + {001}@0.5 | elongate(c:3.0) monoclinic
2/m
{110} {100} {001}
Physical Properties
Crystal Systemmonoclinic
Hardness (Mohs)2.5-3
Specific Gravity5.97-6.02
CleavageDistinct {110}
FractureConchoidal to uneven
LustreAdamantine to vitreous
Optical Properties
Refractive Index2.31-2.66
Birefringence0.37
PleochroismWeak (red to orange-red)
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Open in Playground monoclinic[2/m]:{110}@1.0 + {100}@0.7 + {001}@0.5 | elongate(c:3.0) Related Minerals
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