Origin
Spain
Afghanistan, Southern and central Africa
Color
Brown, Green, Brownish, Yellow, Greenish, White, Black
Grey, White, Colorless, gray, Pale pink, Blue
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
-
Readily soluble in HF
Durability
-
-
Specific Gravity
2.92.86-2.94
1
7.18
👆🏻
Fracture
Fibrous
Conchoidal, Uneven
Cleavage
[010] Perfect, [100] Distinct, [011] Distinct
None observed
Mohs Hardness
26.5-7
2
10
👆🏻
Chemical Composition
Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Pearly, Silky
Vitreous, Greasy
Pleochroism
-
-
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Opaque
Transparent, Translucent
Refractive Index
1.519-1.5211.517-1.525
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Isometric
Birefringence
0.0090-0.0100-9999
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
-
Healing
Spiritual healing
-
Qualities Associated
Harmony
Harmony