Crystals & Stones

Dumortierite-included quartz from Brazil; photo by James St. John — Roosters Peacock crystal guide
Dumortierite Quartz: The Stone of Focus, Insight & Structured Intention
Dumortierite Quartz is Quartz, SiO2, containing visible Dumortierite inclusions rather than a separate mineral species; striking blue needle and spray inclusions are especially known from Brazil. Explore its mineral science,... Read more...