Color
Black
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
For which Rashi?
Aquarius, Taurus
-
Element of Planets
Water
-
Specific Gravity
-9999
6.86-7.03
Fracture
-
Subconchoidal, Uneven, Conchoidal, Irregular
Cleavage
None
{100} imperfect, {110} indistinct; partings on {111} or {011}
Chemical Composition
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Adamantine, Greasy
Pleochroism
-
Pleochroic haloes have been observed. Dichroic in yellow
Transparency
-
Transparent, Translucent
Refractive Index
-9999
1.990-2.105
Crystal System
-
tetragonal
Birefringence
-9999
0.096-0.098
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Poor
Psychology
Optimism
Focus
Healing
Emotional healing
Emotional healing
Qualities Associated
Optimism
Manifestation