Origin
Czech
Southern and central Africa
Color
Brownish, Black, Colorless, White, gray, Blue, Green
Red, Blue, Green, Reddish, Brown
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
6.46-6.573.79-3.94
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Lamellar, Splintery
Cleavage
Good [110] and [021]
{100} Good, {001} Good, {010} Poor
Mohs Hardness
3-3.54
2
10
👆🏻
Chemical Composition
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
FeAs
Luster
Adamantine, Vitreous, Resinous
Waxy
Pleochroism
-
-
Dispersion
0.060.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
TranslucentAnthony et al
Refractive Index
1.803-2.0781.670-1.734
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.273-9999
0
0.296
👆🏻
Clarity
Transparent
TranslucentAnthony et al
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
-
Healing
Emotional healing
-
Qualities Associated
Clarity
Emotional Healing