Origin
Czech
-
Color
Brownish, Black, Colorless, White, gray, Blue, Green
Colorless, White, Brownish, Reddish, Black, gray, 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
-
Brittle
Solubility
insoluble
Soluble
Durability
-
-
Specific Gravity
6.46-6.572.97
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Uneven
Cleavage
Good [110] and [021]
None observed
Mohs Hardness
3-3.52.5
2
10
👆🏻
Chemical Composition
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na 3AlF 6Ulrich Henn and Claudio C.
Luster
Adamantine, Vitreous, Resinous
Vitreous, Greasy, Pearly
Pleochroism
-
colorless.
Dispersion
0.060.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.803-2.0781.338-1.339
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.2730.001
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Peace