Origin
Spain
Southern and central Africa, Burma, Tanzania, India, Sri Lanka
Color
Brown, Green, Brownish, Yellow, Greenish, White, Black
Yellow, White, Green, Brown, Greenish, gray
Streak
White
Grey, gray
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
2.93.20-3.25
1
7.18
👆🏻
Fracture
Fibrous
Uneven, Conchoidal
Cleavage
[010] Perfect, [100] Distinct, [011] Distinct
Good/distinct on [210]
Mohs Hardness
25.5
2
10
👆🏻
Chemical Composition
Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite
Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly, Silky
Vitreous, Pearly
Pleochroism
-
Pale green to pale orange
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Opaque
Transparent, Translucent
Refractive Index
1.519-1.5211.650-1.680
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.0090-0.01000.009-0.011
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Excellent
-
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Grounding
Healing
Spiritual healing
Emotional healing
Qualities Associated
Harmony
Grounding