Origin
Southern and central Africa
Australia
Color
Green, Yellow, Red, Blue
Red, White, gray, Black
Streak
Black
Brownish, Black
Specific Gravity
2.80-3.0
-9999
Fracture
-
Conchoidal, Uneven
Cleavage
{110} Good
{1010} Imperfect, {0001} Imperfect
Chemical Composition
NaFeS2•2(H2O)
NiAs
Pleochroism
Extreme
Strong (reflected light)
Transparency
Translucent
-
Refractive Index
1.580
-9999
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Hexagonal
Birefringence
-9999
-9999
Cardiovascular
Supports heart health
-
Healing
Emotional healing
-
Qualities Associated
Growth
-