Origin
Southern and central Africa
Southern and central Africa
Color
Colorless, Blue, Brown, Green, gray
Colorless, Yellow
Streak
White
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
3.90-4.002.59-2.60
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
Perfect on {001}, good on {210}, poor on {010}
{001} Perfect, {110} Distinct, {101} Distinct
Mohs Hardness
3-3.56-7
2
10
👆🏻
Chemical Composition
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Weakly trichroiC
none.
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
-
TransparentAnthony et al
Refractive Index
1.619-1.6351.583-1.614
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21
Birefringence
0.004-0.012-9999
0
0.296
👆🏻
Clarity
-
TransparentAnthony et al
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Promotes mental clarity
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Peace
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Divine Guidance
Creativity