Origin
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Spain
Color
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Brown, Green, Brownish, Yellow, Greenish, White, Black
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.26-3.362.9
1
7.18
👆🏻
Fracture
Conchoidal
Fibrous
Cleavage
Good on {100}
[010] Perfect, [100] Distinct, [011] Distinct
Mohs Hardness
6.5-72
2
10
👆🏻
Chemical Composition
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite
Luster
Vitreous
Vitreous, Pearly, Silky
Pleochroism
Strong
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
Transparent, Translucent, Opaque
Refractive Index
1.656-1.7041.519-1.521
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Triclinic
monoclinic
Birefringence
0.009-0.0120.0090-0.0100
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
Enhances mental clarity and focus
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Harmony
Healing
Emotional healing
Spiritual healing
Qualities Associated
Balance
Harmony