Origin
USA, Southern and central Africa
USA
Color
Brown, Green, White, gray, Blue, Yellow
White
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
-
-
Durability
-
-
Specific Gravity
4.00-4.654.28-4.42
1
7.18
👆🏻
Fracture
Uneven, Sub-Conchoidal
Conchoidal
Cleavage
Perfect on [1011]
Distinct on [010] and [100] poor on [101]
Mohs Hardness
5-5.55-5.5
2
10
👆🏻
Chemical Composition
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
-
colorless.
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Translucent
OpaqueAnthony et al, Opaque, Transparent
Refractive Index
1.620-1.8501.760-1.774
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
monoclinic
Birefringence
0.223-0.2270.012
0
0.296
👆🏻
Clarity
Translucent
OpaqueAnthony et al
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Emotional Healing
Optimism
Healing
Emotional healing
Emotional healing
Qualities Associated
Harmony
Optimism