Origin
Madagascar
Sri Lanka
Color
Brownish, Black, Reddish, Brown, Blue
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Streak
Reddish, Brown
White, Brownish
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
insoluble
Durability
-
-
Specific Gravity
3.846.86-7.03
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Subconchoidal, Uneven, Conchoidal, Irregular
Cleavage
{0001} good, {10 1 0} parting
{100} imperfect, {110} indistinct; partings on {111} or {011}
Mohs Hardness
7.5-86-7
2
10
👆🏻
Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine, Greasy
Pleochroism
O = brownish gray; E = gray
Pleochroic haloes have been observed. Dichroic in yellow
Dispersion
0.020.07
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.79-1.8071.990-2.105
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
tetragonal
Birefringence
-99990.096-0.098
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Focus
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Manifestation