Origin
Sri Lanka, Burma, USA, Russia
Southern and central Africa
Color
Yellow, Brown, pink, Colorless
Green, Grey, White
Streak
White
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
3.46-3.502.60-3.02
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Perfect
{001} Perfect
Mohs Hardness
6-72-2.5
2
10
👆🏻
Chemical Composition
MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
Luster
-
Pearly, Greasy
Pleochroism
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
Distinct: light yellow-green to light bluE
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.665-1.7121.571-1.597
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Birefringence
0.036-0.042-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Harmony
Healing
Emotional healing
Physical healing
Qualities Associated
Emotional Healing
Emotional Healing