Origin
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
Australia, Southern and central Africa
Color
Greenish, Green, Brownish, Red, Blue, Brown, gray
Red, Yellow, orange
Streak
White
yellowish orange
For which Rashi?
-
-
Planet
-
-
Element of Planets
Earth, Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
Healing
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Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.69-3.815.90-6.10
1
7.18
👆🏻
Fracture
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Conchoidal
Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
{110} Distinct, {001} Indistinct, {100} Indistinct
Mohs Hardness
8.52.5-3
2
10
👆🏻
Chemical Composition
BeAl 2 O 4
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
X = red; Y = yellow-orange; Z = emerald-green
Distinctly trichroic
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent
Refractive Index
1.746-1.7632.31-2.66
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
Birefringence
0.007-0.013-9999
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
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-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Passion
Healing
Physical healing
Physical healing
Qualities Associated
Transformation
Passion