Origin
Brazil, Southern and central Africa
Australia
Color
Blue, Green, Black
Red, White, gray, Black
Streak
White
Brownish, Black
For which Rashi?
Gemini, Sagittarius
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Planet
Jupiter
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Element of Planets
-
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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
-
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Birthstone
Planetary
-
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Talisman
-
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Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.04-3.17-9999
1
7.18
👆🏻
Fracture
Uneven
Conchoidal, Uneven
Cleavage
{001} Indistinct, {???} Indistinct
{1010} Imperfect, {0001} Imperfect
Mohs Hardness
5.55-5.5
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
NiAs
Luster
-
-
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Strong (reflected light)
Dispersion
0.010.04
0.005
1
👆🏻
Transparency
Transparent, Translucent
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Refractive Index
1.604-1.646-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Hexagonal
Birefringence
0.031-0.036-9999
0
0.296
👆🏻
Clarity
Transparent
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Physical
Neurological
Balances digestive system and reduces bloating
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Cardiovascular
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Respiratory
Excellent
Poor
Reproductive
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Digestive
Supports digestive health
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Psychology
Clarity
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Healing
Emotional healing
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Qualities Associated
Psychic Abilities
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