Origin
Czech
Southern and central Africa
Color
Brownish, Black, Colorless, White, gray, Blue, Green
Yellow, Blue, Colorless, White
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
6.46-6.573.28-3.31
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Conchoidal
Cleavage
Good [110] and [021]
None observed
Mohs Hardness
3-3.56.5-7.5
2
10
👆🏻
Chemical Composition
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
Luster
Adamantine, Vitreous, Resinous
Vitreous
Pleochroism
-
Colorless
Dispersion
0.060.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.803-2.0781.638-1.650
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Hexagonal
Birefringence
0.2730.0130
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Clarity