Origin
Southern and central Africa
Australia
Specific Gravity
3.25-3.28
2.5-2.8
Cleavage
{100} Distinct, {001} Poor, {110} Poor
{???} Perfect
Chemical Composition
Ca2Fe++Al2BO3Si4O12(OH)
MgO.Fe2O3.3SiO2•4(H2O)
Transparency
Transparent
-
Refractive Index
1.674-1.693
-9999
Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1
Orthorhombic
Birefringence
-9999
-9999
Psychology
Grounding
Grounding
Healing
Emotional healing
-
Qualities Associated
-
Grounding