Where is Wavellite found?
Al3(PO4)2(OH,F)3·5H2O
Got a photo? Identify rocks instantly with the Rockby app
Open the appWavellite occurs in specific geological environments. Knowing where to look, and in what kind of rock, is the difference between going home empty-handed and finding a great specimen.
Where to find Wavellite
Montgomery County, Arkansas, USA
Famous for producing some of the finest wavellite specimens, often with vibrant green radiating spheres in novaculite.
Llallagua, Potosí, Bolivia
Known for excellent specimens, often associated with other phosphate minerals.
Devon, England
The type locality for wavellite, where it was first discovered.
Saxony, Germany
Produces good quality wavellite specimens.
Queensland, Australia
Occurrences in various localities, sometimes forming attractive green aggregates.
Collecting tips
- Look for specific geological settings. Focus on areas with aluminous metamorphic rocks (slates, phyllites) or weathered phosphate-rich deposits. Check for evidence of hydrothermal alteration or secondary mineralization.
- Examine cavities and fissures. Wavellite often forms in open spaces within rocks. Look for vugs, cracks, and fractures where crystals might have grown.
- Identify associated minerals. Wavellite frequently occurs with limonite (iron oxides), variscite, crandallite, and other secondary phosphate minerals. The presence of these minerals can be an indicator.
- Observe crystal habit. The most distinctive feature is its radiating, spherical, or hemispherical aggregates. These 'starburst' patterns are a strong indicator. Use a hand lens to observe the acicular crystals.
- Consider color and luster. While variable, the characteristic green to yellow-green color and vitreous to pearly luster can help in identification.
Quick Check
- Color:
- Green, yellow-green, white, colorless, brown, black
- Luster:
- Vitreous to pearly
- Streak:
- White
Explore Wavellite
Identify rocks anywhere
Free on iOS, Android, and Web. Photo identification, full database, and your personal collection.