Origin
Australia, Austria, Brazil, Canada, Ethiopia, Italy, Mexico, Mozambique, Southern and central Africa, Switzerland
Australia
Color
Colorless, Brownish, White
Red, White, gray, Black
Streak
White
Brownish, Black
Specific Gravity
2.20-2.23
-9999
Fracture
Irregular/uneven, Uneven
Conchoidal, Uneven
Cleavage
Perfect on {110} and {1 1 0}
{1010} Imperfect, {0001} Imperfect
Mohs Hardness
5-5.5
5-5.5
Chemical Composition
CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
NiAs
Pleochroism
X: colourless Y: colourless Z: colourless
Strong (reflected light)
Transparency
Transparent, Translucent
-
Refractive Index
1.512-1.523
-9999
Crystal System
monoclinic
Hexagonal
Birefringence
0.011
-9999
Respiratory
Excellent
Poor
Healing
Emotional healing
-
Qualities Associated
Inner Peace & Spirit Communication
-