Origin
Canada, Southern and central Africa
Australia
Color
Green, Yellow, Red
Red, pink, rose, Brown
Specific Gravity
3.28-3.32
3.76-3.77
Cleavage
{101} Distinct
{110} Perfect, {110} Perfect
Chemical Composition
ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references
(Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.
Transparency
Transparent
-
Refractive Index
1.593-1.596
1.735-1.756
Crystal System
Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422
-
Birefringence
0.001
0.017-0.019
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Enhances mental clarity and focus
-
Psychology
Personal power
-
Healing
Physical healing
-
Qualities Associated
Vitality
Heart Chakra