Origin
Southern and central Africa
Czech
Color
Red, Blue, Green, Reddish, Brown
Brownish, Black, Colorless, White, gray, Blue, Green
Streak
White
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
-
-
Solubility
-
insoluble
Durability
-
-
Specific Gravity
3.79-3.946.46-6.57
1
7.18
👆🏻
Fracture
Lamellar, Splintery
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
{100} Good, {001} Good, {010} Poor
Good [110] and [021]
Mohs Hardness
43-3.5
2
10
👆🏻
Chemical Composition
FeAs
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Waxy
Adamantine, Vitreous, Resinous
Pleochroism
-
-
Dispersion
0.010.06
0.005
1
👆🏻
Transparency
TranslucentAnthony et al
Transparent, Translucent
Refractive Index
1.670-1.7341.803-2.078
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
-99990.273
0
0.296
👆🏻
Clarity
TranslucentAnthony et al
Transparent
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
Clarity
Healing
-
Emotional healing
Qualities Associated
Emotional Healing
Clarity