cubic Nesosilicates
Rhodolite
Formula (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 System
- cubic
- Hardness (Mohs)
- 7.0
- Specific Gravity
- 3.84
- Cleavage
- None
- Fracture
- Conchoidal to uneven
- Lustre
- Vitreous
Optical Properties
- Refractive Index
- 1.76
- Optical Character
- Isotropic
- Dispersion
- 0.027
- Pleochroism
- None (isotropic)
Characteristics
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
