Origin
Brazil
-
Color
Black, Colorless, Green, Violet, White, Yellow, Blue, Red, pink, Brown, gray
Blue, Green
Streak
White
Blue
For which Rashi?
Taurus, Capricorn, Sagittarius
-
Planet
Venus
-
Element of Planets
Earth, Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Nerthus
-
Not to wear with
-
-
Powers
Healing, Protection
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.653.80-4.15
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
{0110} Indistinct
perfect along [010] and [100]
Mohs Hardness
73.5-4
2
10
👆🏻
Chemical Composition
SiO2
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Silky
Pleochroism
None
X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Translucent
Refractive Index
1.544-1.5531.752-1.815
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic
Birefringence
0.0090.063
0
0.296
👆🏻
Clarity
Opaque
Translucent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
Supports reproductive health
-
Digestive
-
-
Psychology
Clarity
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Communication