Origin
Switzerland
Spain, China
Color
Brown, Brownish, Yellow, Black, Reddish
Red, gray, Brown, pink
Streak
White, gray
Scarlet, Red
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
Slightly sectile
Solubility
-
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Durability
-
-
Specific Gravity
3.7-3.82
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven
Cleavage
Distinct on {010}
Prismatic {10 1 0}, perfect
Mohs Hardness
7-7.52-2.5
2
10
👆🏻
Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Resinous
Adamantine
Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
-
Dispersion
0.020.06
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.736-1.7622.905-3.25
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Trigonal
Birefringence
0.009-0.015-9999
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
Enhances mental clarity and focus
Boosts mental agility and focus
Cardiovascular
-
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Passion
Healing
Physical healing
Emotional healing
Qualities Associated
Protection
Manifestation