Origin
Brazil, Southern and central Africa
Switzerland
Color
Blue, Green, Black
Green, Colorless, White, Brown, gray
Streak
White
White
For which Rashi?
Gemini, Sagittarius
-
Planet
Jupiter
-
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
3.04-3.172.95-3.07
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
{001} Indistinct, {???} Indistinct
Perfect on {110} at 56° and 124°; partings on {010} and {100}
Mohs Hardness
5.55-6
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Luster
-
Vitreous, Silky
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.604-1.6461.599-1.637
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.031-0.0360.023-0.028
0
0.296
👆🏻
Clarity
Transparent
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
Supports digestive health
Psychology
Clarity
Emotional Healing
Healing
Emotional healing
Physical healing
Qualities Associated
Psychic Abilities
Peace