Origin
Switzerland
Mexico, USA, Canada, Madagascar, Spain, Russia, Sri Lanka, India, Burma, Origins: Mexico
Color
Brown, Brownish, Yellow, Black, Reddish
Yellow, Green, Blue, White, Red, Colorless, Violet, pink, Brown
Streak
White, gray
White
For which Rashi?
-
Gemini
Planet
-
Mercury
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Jupiter/Neptune
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.7-3.83.16-3.23
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Conchoidal, Uneven, Conchoidal to uneven
Cleavage
Distinct on {010}
[0001] indistinct, [1010] indistinct
Mohs Hardness
7-7.55
2
10
👆🏻
Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Resinous
Vitreous
Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
Blue stones – strong
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.736-1.7621.628-1.651
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Hexagonal
Birefringence
0.009-0.0150.002-0.008
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
Enhances communication and mental clarity
Cardiovascular
-
Enhances intuition and psychic abilities
Respiratory
Good
Good
Reproductive
-
Supports reproductive health
Digestive
-
Supports digestive health
Psychology
Protection
Motivation
Healing
Physical healing
Emotional healing
Qualities Associated
Protection
Manifestation