Origin
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Spain, China
Color
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Red, gray, Brown, pink
Streak
White
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
-
Slightly sectile
Solubility
-
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Durability
-
-
Specific Gravity
3.26-3.362
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Good on {100}
Prismatic {10 1 0}, perfect
Mohs Hardness
6.5-72-2.5
2
10
👆🏻
Chemical Composition
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
Strong
-
Dispersion
0.020.06
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.656-1.7042.905-3.25
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Triclinic
Trigonal
Birefringence
0.009-0.012-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
Enhances mental clarity and focus
Boosts mental agility and focus
Cardiovascular
-
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Passion
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Manifestation