Origin
USA
Canada, Southern and central Africa, Italy, Australia, India
Color
Blue, Green
Violet, Brownish, Yellow, Reddish, Pale pink
Streak
Blue, Greenish, White
White
For which Rashi?
-
Virgo
Planet
-
Mercury, Jupiter
Element of Planets
-
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.6-5.762.69-2.79
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
[001] perfect; [100] distinct
Poor on {0001}
Mohs Hardness
2.5-35.5-6.5
2
10
👆🏻
Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Weak
Weak
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
Transparent
Translucent
Refractive Index
1.818-1.9091.607-1.612
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Hexagonal
Birefringence
0.0910.003
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Spirituality
Healing
-
Emotional healing
Qualities Associated
-
Spiritual Protection