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...
Dumortierite specimen from California; photo by Leon Hupperichs, CC BY-SA 3.0 — Roosters Peacock crystal guide
Dumortierite: The Stone of Discipline, Clarity & Inner Strength
Dumortierite is an aluminum borosilicate mineral in the orthorhombic system, commonly blue to violet-blue and relatively hard at Mohs 7–8. Explore its mineral science, 1881 naming history, modern symbolic associations... Read more...