Origin
Brazil, Southern and central Africa
Mexico, USA, Spain
Color
Blue, Green, Black
Green, Brown, Yellow, Red, Black
Streak
White
Brownish, White
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.04-3.173.95-4.10
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
{001} Indistinct, {???} Indistinct
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
5.53.5-4
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Adamantine
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
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Dispersion
0.010.16
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.604-1.6462.368-2.371
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Isometric
Birefringence
0.031-0.036-9999
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Balances digestive system and reduces bloating
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Cardiovascular
-
-
Respiratory
Excellent
Good
Reproductive
-
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Digestive
Supports digestive health
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Psychology
Clarity
-
Healing
Emotional healing
Physical healing
Qualities Associated
Psychic Abilities
-