Origin
Brazil, Southern and central Africa
-
Color
Blue, Green, Black
Black, Blue, Yellow, Green
Streak
White
Grey, Greenish, Brown
For which Rashi?
Gemini, Sagittarius
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Planet
Jupiter
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Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.04-3.173.28-3.44
1
7.18
👆🏻
Fracture
Uneven
Uneven, Splintery
Cleavage
{001} Indistinct, {???} Indistinct
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Mohs Hardness
5.55.0-6.0
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Na2Fe2+3Fe3+2Si8O22(OH)2
Luster
-
Vitreous, Silky
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
X = blue
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.604-1.6461.680-1.698
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.031-0.0360.005-0.008
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
Balances digestive system and reduces bloating
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
Supports digestive health
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Psychology
Clarity
Empowerment
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Clear Thinking