Origin
Southern and central Africa
-
Color
Red, Yellow, orange
Black, Green, Brown, Red, Greenish, Yellow, orange
Streak
orange
Yellow, Green, Greenish
Specific Gravity
3.56
4.48
Cleavage
{010} Good
distinct; good on {0001}
Mohs Hardness
-9999
3.5-4.5
Chemical Composition
AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
PbFe+++3(AsO4)(SO4)(OH)6
Luster
-
Vitreous, Resinous
Pleochroism
Nearly colorless to pale golden yellowAnthony et al
visible
Refractive Index
2.538-2.704
1.957
Crystal System
-
Trigonal
Birefringence
0.166
0.014
Neurological
Enhances mental clarity and focus
-
Psychology
Confidence
Empowerment
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Prosperity