Origin
Sri Lanka, Burma, USA, Russia
Linares, Jaén, Andalusia, Spain
Color
Yellow, Brown, pink, Colorless
Blue
Streak
White
Blue
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
3.46-3.505.35
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Perfect
Perfect on {100}, imperfect on {001}
Mohs Hardness
6-72.5
2
10
👆🏻
Chemical Composition
MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
-
Sub-Adamantine, Vitreous
Pleochroism
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.665-1.7121.809-1.859
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.036-0.0420.050
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Intuition
Self-Expression
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Communication