Origin
Sri Lanka, Burma, USA, Russia
Brazil
Color
Yellow, Brown, pink, Colorless
Yellow, White, Brown, Brownish, Black
Streak
White
Brown, Yellow, 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
-
Soluble
Durability
-
-
Specific Gravity
3.46-3.503.06-3.25
1
7.18
👆🏻
Fracture
Conchoidal
Sub-Conchoidal, Conchoidal, Uneven
Cleavage
Perfect
Poor/indistinct on {100}
Mohs Hardness
6-74.5-5
2
10
👆🏻
Chemical Composition
MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Luster
-
Vitreous, Resinous
Pleochroism
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
visible
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.665-1.7121.639-1.672
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.036-0.0420.027-0.042
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
Enhances mental clarity
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Joy