Origin
Spain
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Color
Brown, Green, Brownish, Yellow, Greenish, White, Black
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
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
2.93.26-3.36
1
7.18
👆🏻
Fracture
Fibrous
Conchoidal
Cleavage
[010] Perfect, [100] Distinct, [011] Distinct
Good on {100}
Mohs Hardness
26.5-7
2
10
👆🏻
Chemical Composition
Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Pearly, Silky
Vitreous
Pleochroism
-
Strong
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Opaque
-
Refractive Index
1.519-1.5211.656-1.704
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
monoclinic
Triclinic
Birefringence
0.0090-0.01000.009-0.012
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Aids in mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Harmony
Healing
Spiritual healing
Emotional healing
Qualities Associated
Harmony
Balance