Origin
Southern and central Africa
Brazil, Southern and central Africa
Color
Blue, Green, Brown
Blue, Green, Black
Streak
White, Blue, Green
White
For which Rashi?
Taurus
Gemini, Sagittarius
Planet
Venus
Jupiter
Element of Planets
Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Venus
-
Not to wear with
-
-
Powers
Love
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.00-2.453.04-3.17
1
7.18
👆🏻
Fracture
Sub-Conchoidal, Conchoidal
Uneven
Cleavage
none
{001} Indistinct, {???} Indistinct
Mohs Hardness
2-45.5
2
10
👆🏻
Chemical Composition
Cu2H2Si2O5(OH)4
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Luster
Vitreous, Greasy
-
Pleochroism
-
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Opaque
Transparent, Translucent
Refractive Index
1.460-1.5701.604-1.646
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.023-0.0500.031-0.036
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Promotes calmness and emotional balance
Balances digestive system and reduces bloating
Cardiovascular
Supports heart health
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Communication
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Psychic Abilities