Origin
Spain
USA, Switzerland, Tanzania, Madagascar, Russia, Sri Lanka
Color
Brown, Green, Brownish, Yellow, Greenish, White, Black
Colorless, Yellow, pink, Red
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
2.92.90-2.98
1
7.18
👆🏻
Fracture
Fibrous
Conchoidal, ConchoidalWalter Schumann
Cleavage
[010] Perfect, [100] Distinct, [011] Distinct
Distinct on {11 2 0}, imperfect on {10 1 1}
Mohs Hardness
27.5-8
2
10
👆🏻
Chemical Composition
Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly, Silky
Vitreous
Pleochroism
-
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Opaque
-
Refractive Index
1.519-1.5211.650-1.695
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Trigonal
Birefringence
0.0090-0.01000.016
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Clarity
Healing
Spiritual healing
Emotional healing
Qualities Associated
Harmony
Spiritual Activation