Origin
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
Canada, Southern and central Africa
Color
Greenish, Green, Brownish, Red, Blue, Brown, gray
Green, Yellow, Red
Streak
White
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
Earth, Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
Healing
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.69-3.813.28-3.32
1
7.18
👆🏻
Fracture
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Uneven
Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
{101} Distinct
Mohs Hardness
8.56-6.5
2
10
👆🏻
Chemical Composition
BeAl 2 O 4
ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous
Pleochroism
X = red; Y = yellow-orange; Z = emerald-green
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent
Refractive Index
1.746-1.7631.593-1.596
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic
Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422
Birefringence
0.007-0.0130.001
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Personal power
Healing
Physical healing
Physical healing
Qualities Associated
Transformation
Vitality