Origin
Southern and central Africa
Brazil, Tanzania, Zimbabwe, Madagascar, Burma, Sri Lanka, India
Color
Violet, Blue, Yellow, Brown, White, Colorless
Red, Violet
Specific Gravity
3.1-3.25
3.62-4.20
Chemical Composition
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)
Luster
Vitreous, Resinous
-
Pleochroism
Weak to strong if coloreD
-
Transparency
Transparent
TransparentGemdat.org
Refractive Index
1.631-1.650
1.73-1.77
Crystal System
Hexagonal
-
Birefringence
-9999
-9999
Clarity
Transparent
TransparentGemdat.org
Psychology
Clarity
Courage
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Passion