Origin
Canada
Colombia, Southern and central Africa
Specific Gravity
-9999
4.33-4.42
Mohs Hardness
5.5-6.5
4.5
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Ca(Nd,Ce,La) 2(CO 3) 3F 2Ulrich Henn and Claudio C.
Transparency
Transparent
-
Refractive Index
1.37-1.52
1.671-1.771
Birefringence
-9999
0.099-0.100
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Enhances mental clarity and focus
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Creativity
Optimism