Origin
-
Mexico
Color
Blue, White, Grey, Yellow, Green, Colorless, Red, gray
Yellow, yellowish orange
Streak
Blue, 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
Brittle
Solubility
Gelatinises in acids
-
Durability
-
-
Specific Gravity
2.4-2.53.98-4.04
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
Distinct on {110}
Imperfect, poor one {100}
Mohs Hardness
5-64.5-5
2
10
👆🏻
Chemical Composition
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Greasy
Vitreous
Pleochroism
None
Colorless
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.501.702-1.740
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
monoclinic
Birefringence
-99990.060
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Creativity
Healing
Emotional healing
-
Qualities Associated
Communication
Optimism