Origin
Southern and central Africa
Canada, Russia
Color
Colorless, Blue, Brown, Green, gray
Brown, Yellow, Greenish, Brownish, Red
Streak
White
Brown, White
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
3.90-4.003.2-3.4
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Perfect on {001}, good on {210}, poor on {010}
Perfect on [001] imperfect on [100]
Mohs Hardness
3-3.53
2
10
👆🏻
Chemical Composition
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Pearly
Greasy, Pearly
Pleochroism
Weakly trichroiC
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Dispersion
0.010.12
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.619-1.6351.678-1.758
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Triclinic
Birefringence
0.004-0.0120.050
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Peace
Self-Reflection
Healing
Emotional healing
Spiritual healing
Qualities Associated
Divine Guidance
Self-Reflection