Origin
Czech
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Color
Brownish, Black, Colorless, White, gray, Blue, Green
Blue, Violet, Colorless, Red, Green, Brown
Streak
White
White
For which Rashi?
-
Sagittarius, Scorpio
Planet
-
Pluto
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Hephaestus
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
insoluble
-
Durability
-
-
Specific Gravity
6.46-6.573.64-3.66
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Conchoidal, Uneven
Cleavage
Good [110] and [021]
None, but may exhibit slight parting
Mohs Hardness
3-3.58
2
10
👆🏻
Chemical Composition
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
MgAl2O4
Luster
Adamantine, Vitreous, Resinous
Vitreous
Pleochroism
-
Absent
Dispersion
0.060.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.803-2.0781.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Isometric
Birefringence
0.273-9999
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
Revitalization
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Vitality