Origin
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
Southern and central Africa
Color
Greenish, Green, Brownish, Red, Blue, Brown, gray
Black, Reddish, gray, Red
Streak
White
Black, Brown, Reddish, Red
For which Rashi?
-
Aries, Aquarius
Planet
-
Saturn
Element of Planets
Earth, Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Mars
Not to wear with
-
-
Powers
Healing
Healing
Birthstone
Planetary
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.69-3.815.00-5.30
1
7.18
👆🏻
Fracture
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
None, may show partings on {0001} and {10 1 1}
Mohs Hardness
8.56
2
10
👆🏻
Chemical Composition
BeAl 2 O 4
Fe 2O 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous
-
Pleochroism
X = red; Y = yellow-orange; Z = emerald-green
O = brownish red; E = yellowish red
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
OpaqueHerve Nicolas Lazzarelli
Refractive Index
1.746-1.7632.690-3.220
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic
Trigonal
Birefringence
0.007-0.0130.280
0
0.296
👆🏻
Clarity
Transparent
OpaqueHerve Nicolas Lazzarelli
Physical
Neurological
-
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Grounding
Healing
Physical healing
Physical healing
Qualities Associated
Transformation
Grounding