Origin
Southern and central Africa
Sri Lanka, India, Brazil
Color
Red, Brown, Black
Green, Brown, Colorless, gray, Yellow
Streak
Brownish, Red
Brownish, White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.85-6.153.55-3.73
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Fair in four directions forming octahedrons
none
Mohs Hardness
3.5-47-7.5
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Adamantine
Greasy, Vitreous
Pleochroism
visible
None
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
-
Refractive Index
2.8491.730-1.760
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
cubic
Birefringence
-99990.020
0
0.296
👆🏻
Clarity
TranslucentWalter Schumann
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Poor
-
Reproductive
-
Helps in digestion and alleviates indigestion
Digestive
-
-
Psychology
Vitality
Abundance
Healing
Emotional healing
Physical healing
Qualities Associated
Vitality
Abundance