Origin
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
USA, Southern and central Africa, China, India, Italy
Color
Greenish, Green, Brownish, Red, Blue, Brown, gray
White, Yellow
Streak
White
-
For which Rashi?
-
Gemini
Planet
-
Saturn
Element of Planets
Earth, Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
Healing
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.69-3.812.44-2.62
1
7.18
👆🏻
Fracture
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Uneven
Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
Indiscernible
Mohs Hardness
8.52.5-5.5
2
10
👆🏻
Chemical Composition
BeAl 2 O 4
H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous, Greasy, Silky
Pleochroism
X = red; Y = yellow-orange; Z = emerald-green
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Translucent
Refractive Index
1.746-1.7631.560-1.571
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.007-0.0130.008-0.014
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
-
Aids in mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Transformation
Healing
Physical healing
Emotional healing
Qualities Associated
Transformation
Protection