Origin
Southern and central Africa
USA, Mexico
Color
Colorless, Blue, Brown, Green, gray
Green, Brown, Greenish, Black
Streak
White
Greenish, gray
For which Rashi?
Gemini
-
Planet
Venus, Neptune
-
Element of Planets
Water, Air
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
Healing
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.90-4.003.19-3.56
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
Perfect on {001}, good on {210}, poor on {010}
{110} Perfect, {010} Indistinct
Mohs Hardness
3-3.55.5-6
2
10
👆🏻
Chemical Composition
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Pearly
Vitreous, Resinous
Pleochroism
Weakly trichroiC
Pale green
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.619-1.6351.671-1.774
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Birefringence
0.004-0.012-9999
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Peace
Courage
Healing
Emotional healing
Emotional healing
Qualities Associated
Divine Guidance
Grounding