Origin
Russia
Switzerland
Color
Violet, Brown
Brown, Brownish, Yellow, Black, Reddish
Streak
White
White, gray
For which Rashi?
Sagittarius, Scorpio
-
Planet
Jupiter, Neptune
-
Element of Planets
Water, Earth, Air
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Minerva
-
Not to wear with
-
-
Powers
Healing, Love, Protection
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.54-2.783.7-3.8
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
Good in three directions
Distinct on {010}
Mohs Hardness
5-67-7.5
2
10
👆🏻
Chemical Composition
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Luster
Pearly, Chatoyant
Resinous
Pleochroism
-
X = colorless; Y = pale yellow; Z = golden yellow
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.545-1.5601.736-1.762
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
monoclinic
Birefringence
0.0090.009-0.015
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Protection
Healing
Emotional healing
Physical healing
Qualities Associated
Transformation
Protection