Origin
Brazil
Southern and central Africa
Color
Blue, Greenish
Green, Black, White, Grey, gray
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
3.313.00
1
7.18
👆🏻
Fracture
Uneven
Uneven, Splintery
Cleavage
{110} Good
perfect along {110}.
Mohs Hardness
5.5-65-6
2
10
👆🏻
Chemical Composition
(Fe2+ ,Mg)Al 2(PO 4) 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Luster
-
Vitreous
Pleochroism
Colorless blueAnthony et al
moderate
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
TransparentUlrich Henn and Claudio C. Milisenda
Refractive Index
1.639-1.6801.613-1.628
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
monoclinic
Birefringence
0.0410.0250-0.0270
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Aids in mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Communication
Strength
Healing
Emotional healing
Physical healing
Qualities Associated
Intuition & Communication
Strength