Origin
Mexico
Switzerland
Color
Colorless, Blue, Violet, White, Brown, rose, gray
Brown, Brownish, Yellow, Black, Reddish
Streak
White
White, gray
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
-
-
Durability
-
-
Specific Gravity
2.90-2.983.7-3.8
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
Distinct on {010}
Mohs Hardness
3.57-7.5
2
10
👆🏻
Chemical Composition
CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Luster
Pearly, Greasy
Resinous
Pleochroism
For violet varieties
X = colorless; Y = pale yellow; Z = golden yellow
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.570-1.6141.736-1.762
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.042-0.0440.009-0.015
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Calmness
Protection
Healing
Emotional healing
Physical healing
Qualities Associated
Acceptance
Protection