1 Astrology
1.1 Origin
Canada
Not Available, Southern and central Africa
1.2 Color
Brown, Reddish, Black, Brownish
Colorless, Colorless, Yellow
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
Not Available
Not Available
1.9 Deities
Not Available
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Not Available
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.77-3.932.59-2.60
1
7.18
2.5 Fracture
Gems, Conchoidal, Brittle
Brittle, Metallic, Brittle, Metallic
2.6 Cleavage
None
{001} Perfect, {110} Distinct, {101} Distinct
2.7 Mohs Hardness
2.8 Chemical Composition
Ca 3Ti4+2(Fe3+2Si)O 12Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Translucent
TransparentAnthony et al, Handbook of mineralogy (2001)
3.5 Refractive Index
1.94-1.981.583-1.614
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Not Available
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Translucent
TransparentAnthony et al
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available