Origin
Brazil, Southern and central Africa
Canada, Russia, Kenya, Brazil, Norway
Color
Blue, Green, Black
Green, Greenish, Black, Reddish, Brown
Streak
White
Yellow, Yellowish-grey, gray
For which Rashi?
Gemini, Sagittarius
Pisces
Planet
Jupiter
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.04-3.173.50-3.60
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
{001} Indistinct, {???} Indistinct
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}
Mohs Hardness
5.56
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
Luster
-
Vitreous, Resinous
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Emerald green
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.604-1.6461.720-1.778
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.031-0.0360.037-0.061
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
Balances digestive system and reduces bloating
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Supports heart health
Reproductive
-
Supports heart health
Digestive
Supports digestive health
Supports heart health
Psychology
Clarity
Protection
Healing
Emotional healing
Physical healing
Qualities Associated
Psychic Abilities
Protection