Origin
Spain
Sri Lanka
Color
Brown, Green, Brownish, Yellow, Greenish, White, Black
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Streak
White
White, Brownish
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
-
insoluble
Durability
-
-
Specific Gravity
2.96.86-7.03
1
7.18
👆🏻
Fracture
Fibrous
Subconchoidal, Uneven, Conchoidal, Irregular
Cleavage
[010] Perfect, [100] Distinct, [011] Distinct
{100} imperfect, {110} indistinct; partings on {111} or {011}
Mohs Hardness
26-7
2
10
👆🏻
Chemical Composition
Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly, Silky
Adamantine, Greasy
Pleochroism
-
Pleochroic haloes have been observed. Dichroic in yellow
Dispersion
0.030.07
0.005
1
👆🏻
Transparency
Transparent, Translucent, Opaque
Transparent, Translucent
Refractive Index
1.519-1.5211.990-2.105
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
tetragonal
Birefringence
0.0090-0.01000.096-0.098
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Aids in mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Focus
Healing
Spiritual healing
Emotional healing
Qualities Associated
Harmony
Manifestation