Disthene

Disthene
Meaning of the name double hardness from the Greek Greek dis = two, sthenos = power

Occurrence
Brazil, Western Australia, India, Kenya and Russia

Crystal System
Disthene is triclinic

Mineral class
Compound of aluminium oxide silicate from the mineral class of island silicates
formula: Al2[O/SiO4|] + C,Ca,Cr,Fe,Mg,Ti + (Ga,K)


Mohs hardness: 6 - 7 across the crystal, 4 - 4,5 lengthwise
density: 3.53 - 3.69
Fissionability: perfect, fibrous, brittle fracture
Line colour: white
Transparency: transparent to translucent

Healing Effects
Identity, serenity, completion of life's task, promotes thinking and decisive action, strength