Trolleite is a rare phosphate mineral recognized for its attractive light blue to blue-green coloration. It is often found in massive formations, commonly associated with Quartz and other phosphate minerals, giving it a distinctive and appealing appearance for collectors and mineral enthusiasts. Trolleite is valued for its unique color, rarity, and interesting mineral associations.
Origins and Composition
Origin: Minas Gerais – Brazil
Chemical Formula: Al₄(PO₄)₃(OH)₃
Color: Light blue to blue-green
Hardness: 5.5 – 6 on the Mohs scale
Crystal System: Hexagonal
Natural Product Notice: These items are unique and may feature natural imperfections resulting from extraction and polishing.