An interesting crystal that forms in radiating circles.
Chemical Formula:
Al3(PO4)2(OH1F)3-5H2O
Class:
Phosphate Aluminum
Hardness:
3.5-4
Coloration:
Green or white
How to identify it
Unique Characteristics or Properties
Wavellite is easily recognized by its radiating clusters of crystals forming circles. In the picture above, some of the starbursts are hidden in other minerals. Sometimes wavellite can grow into hemispheres that hide the radiating crystals until split open.
Where to find it
The Northwest: N/A
Other: Australia, France, Ireland, Bolivia, Germany, England.
Past Uses
It has been used as an extraction of phosphorous.
How it was Made
Forms in hydrothermal veins and crevices on limestone and aluminum rich rocks, especially limonite.
Interesting Facts
It is often found in tin mines.
More Information on the Web: Webmineral Mindat