Origin
Czech
India, Italy
Color
Brownish, Black, Colorless, White, gray, Blue, Green
White, Reddish
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
6.46-6.572.08-2.16
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Irregular/uneven
Cleavage
Good [110] and [021]
distinct/good on {1011}
Mohs Hardness
3-3.54.5
2
10
👆🏻
Chemical Composition
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)
Luster
Adamantine, Vitreous, Resinous
Vitreous
Pleochroism
-
-
Dispersion
0.060.05
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.803-2.0781.478-1.490
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Trigonal
Birefringence
0.2730.005-0.008
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Optimism