Origin
Southern and central Africa
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
Color
Brown, White, Greenish, gray, Green, Brownish
Greenish, Green, Brownish, Red, Blue, Brown, gray
Streak
gray
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
2.9-3.53.69-3.81
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
Distinct on {110}, imperfect on {010}, poor on {001}
Mohs Hardness
5.5-68.5
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
BeAl 2 O 4
Luster
Vitreous, Pearly
Vitreous
Pleochroism
-
X = red; Y = yellow-orange; Z = emerald-green
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.603-1.6901.746-1.763
1
3.25
👆🏻
Optic Character
Biaxial/+
Biaxial/+
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Orthorhombic
Birefringence
-99990.007-0.013
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances brain function
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Peace
Transformation
Healing
Emotional healing
Physical healing
Qualities Associated
Self-discovery
Transformation