Origin
Brazil
Southern and central Africa
Color
Blue, Greenish
Brown, White, Greenish, gray, Green, Brownish
Streak
White
gray
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
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-
How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
-
-
Birthstone
Planetary
-
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Talisman
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Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.312.9-3.5
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
{110} Good
{110} Perfect, {???} Distinct, {???} Distinct
Mohs Hardness
5.5-65.5-6
2
10
👆🏻
Chemical Composition
(Fe2+ ,Mg)Al 2(PO 4) 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
-
Vitreous, Pearly
Pleochroism
Colorless blueAnthony et al
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.639-1.6801.603-1.690
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
-
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
0.041-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
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Enhances brain function
Cardiovascular
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Supports heart health
Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Communication
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
Intuition & Communication
Self-discovery