Origin
Southern and central Africa
Canada, Southern and central Africa, Australia
Color
Green, Grey, White
Colorless, White, gray
Streak
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
Solubility
-
-
Durability
-
-
Specific Gravity
2.60-3.022.72-2.75
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
{001} Perfect
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
2-2.56-6.5
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Pearly, Greasy
Vitreous, Pearly
Pleochroism
Distinct: light yellow-green to light bluE
colorless.
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.571-1.5971.561-1.583
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Triclinic
Birefringence
-99990.010-0.011
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Clarity
Healing
Physical healing
Emotional healing
Qualities Associated
Emotional Healing
Clarity