Origin
Mexico
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
Color
Blue, Black
Greenish, Green, Brownish, Red, Blue, Brown, gray
Streak
Grey, Black, gray
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
Earth, Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Flexible
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
4.6-4.763.69-3.81
1
7.18
👆🏻
Fracture
-
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Cleavage
Perfect on {0001}
Distinct on {110}, imperfect on {010}, poor on {001}
Mohs Hardness
-99998.5
2
10
👆🏻
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
BeAl 2 O 4
Luster
Resinous
Vitreous
Pleochroism
Marked
X = red; Y = yellow-orange; Z = emerald-green
Dispersion
0.080.02
0.005
1
👆🏻
Transparency
OpaqueAnthony et al
Transparent, Translucent, Transparent to translucent
Refractive Index
1.45-2.621.746-1.763
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Hexagonal
Orthorhombic
Birefringence
-99990.007-0.013
0
0.296
👆🏻
Clarity
OpaqueAnthony et al
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Transformation
Healing
Emotional healing
Physical healing
Qualities Associated
Manifestation
Transformation