Origin
Southern and central Africa
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Color
Colorless, White, gray, Brown, pink
Blue, Violet, Colorless, Red, Green, Brown
Streak
White
White
For which Rashi?
-
Sagittarius, Scorpio
Planet
-
Pluto
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Hephaestus
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.05-3.083.64-3.66
1
7.18
👆🏻
Fracture
Uneven, Irregular, Conchoidal
Conchoidal, Uneven
Cleavage
None
None, but may exhibit slight parting
Mohs Hardness
6.58
2
10
👆🏻
Chemical Composition
Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)
MgAl2O4
Luster
Vitreous
Vitreous
Pleochroism
-
Absent
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Semitransparent
Transparent, Translucent, Transparent to translucent
Refractive Index
-99991.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d
Isometric
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TranslucentAnthony et al
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empathy
Revitalization
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Vitality