2026-01-27T08:18:57.760896 image/svg+xml Matplotlib v3.10.8, https://matplotlib.org/
cubic

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Ca3Al2(SiO4)3:V,Cr

Quick Facts

Hardness
7-7.5
Specific Gravity
3.61
Refractive Index
1.74

Crystal Structure

cubic[m3m]:{110}@1.0 + {211}@0.6
cubic
m3m
{110} {211}

Physical Properties

Crystal Systemcubic
Hardness (Mohs)7-7.5
Specific Gravity3.61
CleavageNone
FractureConchoidal to uneven
LustreVitreous

Optical Properties

Refractive Index1.74
PleochroismNone (isotropic)
Dispersion0.028