Loading...
Initial language selection is based on your web browser preferences.
**Chemical formula:** Al₃(PO₄)₂(OH,F)₃.5H₂O **Hardness:** 3.5‒4 **Density:** 2.4 g/cm3 **Crystal symmetry:** Orthorhombic **Luster:** Vitreous to resinous, pearly **Description:** Wavellite is a hydrated aluminum phosphate containing F and OH groups. It occurs in various colors, including white, gray, green, blue, yellow and colorless, and has a vitreous to pearly luster. Wavellite is typically translucent to opaque and most commonly forms star-rayed to hemispherical aggregates made up of fine needles. It can also form coatings, bark-like structures and integral units. Wavellite is usually found in cracks within sedimentary rocks rich in aluminum and phosphorus, forming during the rock-hardening process. ## Keywords mineral wavellite texture color ornamental stone semi-precious gemstone
