cubic Nesosilicates
Rhodolite
(Mg,Fe)3Al2(SiO4)3
Crystal Structure
#! Species: Rhodolite (Pyrope-Almandine Garnet)
#! System: Cubic (m3m)
#! Habit: Dodecahedron-trapezohedron combination
cubic[m3m]:{110}@1.0 + {211}@0.7
cubic
m3m
{110} {211}
Quick Facts
Hardness
7.0
Specific Gravity
3.84
Refractive Index
1.76
Optical Character
Isotropic
Physical Properties
Crystal Systemcubic
Hardness (Mohs)7.0
Specific Gravity3.84
CleavageNone
FractureConchoidal to uneven
LustreVitreous
Optical Properties
Refractive Index1.76
Optical CharacterIsotropic
Dispersion0.027
PleochroismNone (isotropic)
Colours
Purplish-redRaspberryRose-pinkPinkish-redViolet-red
Localities
TanzaniaSri LankaZimbabweBrazilMadagascarIndiaKenyaMozambique
Common Inclusions
Rutile needlesApatite crystalsZircon crystals with halosFingerprintsGrowth tubes
Known Treatments
Generally not treated
Crystal Forms
dodecahedrontrapezohedron
Related Minerals
Other minerals in the cubic system
