Origin
Switzerland
Italy
Color
Brown, Brownish, Yellow, Black, Reddish
Green, gray, Brown, Black
Streak
White, gray
Greenish, White
For which Rashi?
-
-
Planet
-
-
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
3.7-3.82.58-2.80
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Conchoidal
Cleavage
Distinct on {010}
{001} Good
Mohs Hardness
7-7.55-5.5
2
10
👆🏻
Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Luster
Resinous
Waxy, Silky, Resinous, Greasy
Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
pale greenish yellow
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.736-1.7621.530-1.575
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
Birefringence
0.009-0.015-9999
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
Enhances mental clarity and focus
Supports neurological health
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Harmony
Healing
Physical healing
Emotional healing
Qualities Associated
Protection
Emotional Healing