Origin
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Switzerland, Australia, Brazil
Color
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Yellow, Colorless, White, Brownish, Reddish
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
3.26-3.365.9-6.3
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Good on {100}
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Mohs Hardness
6.5-74.5-5
2
10
👆🏻
Chemical Composition
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Adamantine
Pleochroism
Strong
Definite dichoric in yellow (yellow to orange-brown)
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
-
Translucent, Transparent
Refractive Index
1.656-1.7041.918-1.936
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Triclinic
tetragonal
Birefringence
0.009-0.0120.016
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Awareness
Healing
Emotional healing
Physical healing
Qualities Associated
Balance
Balance & Clarity