Origin
Madagascar
Southern and central Africa
Color
Brownish, Black, Reddish, Brown, Blue
White, Colorless, Blue, Red, Green, Yellow, Violet, Black
Streak
Reddish, Brown
Colorless
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.843.03-3.18
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven, Irregular, Conchoidal
Cleavage
{0001} good, {10 1 0} parting
{???} Indistinct
Mohs Hardness
7.5-87-7.5
2
10
👆🏻
Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Luster
Vitreous
Vitreous
Pleochroism
O = brownish gray; E = gray
Very strong: pale yellow colorless
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.79-1.8071.614-1.666
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Birefringence
-99990.014-0.032
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Excellent
-
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Self-acceptance
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Self-Exploration