Origin
Brazil
Australia
Color
White, Blue, Yellow, Brown, Green, Brownish, Greenish, gray
Red, White, gray, Black
Streak
White
Brownish, Black
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
-
-
Durability
-
-
Specific Gravity
2.65-2.90-9999
1
7.18
👆🏻
Fracture
-
Conchoidal, Uneven
Cleavage
{001} Perfect
{1010} Imperfect, {0001} Imperfect
Mohs Hardness
-99995-5.5
2
10
👆🏻
Chemical Composition
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NiAs
Luster
Pearly
-
Pleochroism
-
Strong (reflected light)
Dispersion
0.050.04
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.534-1.601-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Hexagonal
Birefringence
0.050-9999
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Poor
Reproductive
-
-
Digestive
-
-
Psychology
-
-
Healing
-
-
Qualities Associated
Emotional Healing
-