Origin
Spain
China, Canada
Color
Brown, Green, Brownish, Yellow, Greenish, White, Black
Green, Yellow, Brown, White, gray, Black
Streak
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
2.92.90-3.10
1
7.18
👆🏻
Fracture
Fibrous
Splintery, Granular
Cleavage
[010] Perfect, [100] Distinct, [011] Distinct
None
Mohs Hardness
26-6.5
2
10
👆🏻
Chemical Composition
Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Pearly, Silky
Vitreous, Greasy
Pleochroism
-
None
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Opaque
Translucent
Refractive Index
1.519-1.5211.600-1.627
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.0090-0.01000.027
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
Aids in mental clarity and focus
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Emotional Balance
Healing
Spiritual healing
Physical healing
Qualities Associated
Harmony
Healing