Origin
Brazil, Colombia, Southern and central Africa
Spain
Color
Greenish, Blue, Colorless, White, Green
Brown, Green, Brownish, Yellow, Greenish, White, Black
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.08-3.122.9
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Fibrous
Cleavage
{010} Perfect
[010] Perfect, [100] Distinct, [011] Distinct
Mohs Hardness
7.52
2
10
👆🏻
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite
Luster
Vitreous
Vitreous, Pearly, Silky
Pleochroism
Weak: colorless-(greenish) yellow
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
Transparent, Translucent, Opaque
Refractive Index
1.650-1.6771.519-1.521
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
monoclinic
Birefringence
0.019-0.0250.0090-0.0100
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
Enhances mental clarity and focus
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Harmony
Healing
Emotional healing
Spiritual healing
Qualities Associated
Communication
Harmony