Iolite

Occurrence
Iolite or cordierite is found in Sri Lanka, India, Madagascar, Brazil

Crystal System
Rhombic
(Mg,Fe)2AI3[AlSi5O18] + Mn,Na,Zr

Mohs hardness: 7 - 7.5
density: 2.58 - 2.66
fissility: imperfect, brittle, conchoidal fracture
Line colour: white
Transparency: transparent to translucent

Healing Effects
Self-confidence, ability to overcome, hope in difficult situations