Origin
Southern and central Africa
Sri Lanka
Color
Blue, Brown, Colorless, Yellow
Red, Blue, Green, Brown, Black
Streak
White
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.723.63-3.9
1
7.18
👆🏻
Fracture
-
Conchoidal, Uneven
Cleavage
{110} Perfect, {010} Perfect
Indistinct
Mohs Hardness
5-67.5-8
2
10
👆🏻
Chemical Composition
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
Luster
Vitreous
Vitreous
Pleochroism
-
Absent
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
TransparentUlrich Henn and Claudio C. Milisenda
Transparent, Translucent
Refractive Index
1.590-1.6291.770-1.780
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)
Isometric
Birefringence
0.039-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Harmony
Emotional Healing