Origin
-
Czech
Color
Colorless, White, Brownish, Reddish, Black, gray, 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
Brittle
-
Solubility
Soluble
insoluble
Durability
-
-
Specific Gravity
2.976.46-6.57
1
7.18
👆🏻
Fracture
Uneven
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
None observed
Good [110] and [021]
Mohs Hardness
2.53-3.5
2
10
👆🏻
Chemical Composition
Na 3AlF 6Ulrich Henn and Claudio C.
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Greasy, Pearly
Adamantine, Vitreous, Resinous
Pleochroism
colorless.
-
Dispersion
0.010.06
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.338-1.3391.803-2.078
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.0010.273
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Clarity