Origin
Madagascar
Brazil
Color
Brownish, Black, Reddish, Brown, Blue
Blue, Greenish
Streak
Reddish, Brown
White
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
3.843.31
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven
Cleavage
{0001} good, {10 1 0} parting
{110} Good
Mohs Hardness
7.5-85.5-6
2
10
👆🏻
Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
(Fe2+ ,Mg)Al 2(PO 4) 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
-
Pleochroism
O = brownish gray; E = gray
Colorless blueAnthony et al
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.79-1.8071.639-1.680
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
-
Birefringence
-99990.041
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Intuition & Communication