Origin
Madagascar
Brazil, Colombia, Southern and central Africa
Color
Brownish, Black, Reddish, Brown, Blue
Greenish, Blue, Colorless, White, Green
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
3.843.08-3.12
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
ConchoidalWalter Schumann
Cleavage
{0001} good, {10 1 0} parting
{010} Perfect
Mohs Hardness
7.5-87.5
2
10
👆🏻
Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
O = brownish gray; E = gray
Weak: colorless-(greenish) yellow
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.79-1.8071.650-1.677
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
-99990.019-0.025
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Communication