Origin
Southern and central Africa
Afghanistan, Southern and central Africa
Color
Green, Grey, White
Grey, White, Colorless, gray, Pale pink, Blue
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
-
Readily soluble in HF
Durability
-
-
Specific Gravity
2.60-3.022.86-2.94
1
7.18
👆🏻
Fracture
Uneven
Conchoidal, Uneven
Cleavage
{001} Perfect
None observed
Mohs Hardness
2-2.56.5-7
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Luster
Pearly, Greasy
Vitreous, Greasy
Pleochroism
Distinct: light yellow-green to light bluE
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.571-1.5971.517-1.525
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Isometric
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
-
Healing
Physical healing
-
Qualities Associated
Emotional Healing
Harmony