Origin
Czech
USA
Color
Brownish, Black, Colorless, White, gray, Blue, Green
Green
Streak
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
6.46-6.573.1-3.5
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Granular
Cleavage
Good [110] and [021]
None
Mohs Hardness
3-3.55-6
2
10
👆🏻
Chemical Composition
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
Luster
Adamantine, Vitreous, Resinous
Chatoyant
Pleochroism
-
-
Dispersion
0.060.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.803-2.0781.7
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.2730.010
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Healing