Origin
Canada, Southern and central Africa
Canada, USA, Southern and central Africa
Color
Green, Yellow, Red
Green
Specific Gravity
3.28-3.32
3.25-3.50
Cleavage
{101} Distinct
Distinct
Mohs Hardness
6-6.5
-9999
Chemical Composition
ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
Transparency
Transparent
Transparent
Refractive Index
1.593-1.596
1.700-1.725
Optic Character
-
Uniaxial/-
Crystal System
Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422
-
Birefringence
0.001
0.002-0.012
Clarity
Transparent
Transparent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Psychology
Personal power
Healing
Healing
Physical healing
Emotional healing
Qualities Associated
Vitality
Healing