Origin
Spain
Sri Lanka, India, Brazil
Color
Brown, Green, Brownish, Yellow, Greenish, White, Black
Green, Brown, Colorless, gray, Yellow
Streak
White
Brownish, 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
2.93.55-3.73
1
7.18
👆🏻
Fracture
Fibrous
Conchoidal, Uneven
Cleavage
[010] Perfect, [100] Distinct, [011] Distinct
none
Mohs Hardness
27-7.5
2
10
👆🏻
Chemical Composition
Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous, Pearly, Silky
Greasy, Vitreous
Pleochroism
-
None
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Opaque
-
Refractive Index
1.519-1.5211.730-1.760
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
cubic
Birefringence
0.0090-0.01000.020
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Excellent
-
Reproductive
-
Helps in digestion and alleviates indigestion
Digestive
-
-
Psychology
Harmony
Abundance
Healing
Spiritual healing
Physical healing
Qualities Associated
Harmony
Abundance