Origin
Southern and central Africa
Italy
Color
Red, Brown, Black
Red, Reddish, Brown, Black, Yellow
Streak
Brownish, Red
Red
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
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
5.85-6.15-9999
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Splintery
Cleavage
Fair in four directions forming octahedrons
[001] good, [100] distinct
Mohs Hardness
3.5-46-6.5
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca2Al3(SiO4)(Si2O7)O(OH)
Luster
Adamantine
Vitreous
Pleochroism
visible
visible
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
-
Refractive Index
2.8491.725-1.756
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
monoclinic
Birefringence
-99990.025-0.076
0
0.296
👆🏻
Clarity
TranslucentWalter Schumann
-
Physical
Neurological
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-
Cardiovascular
Supports heart health
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Respiratory
Poor
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Reproductive
-
-
Digestive
-
-
Psychology
Vitality
Spiritual growth
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Balance