Mineral Species: Wavellite

Chemical Formula: Al3(PO4)2(OH,F)3.5(H2O)

Chemical Name: Hydrated Aluminium Phosphate Hydroxide

Mineral Class: Phosphate

Mineral Notes: Wavellite is a mineral that demonstrates the classic botryoidal crystal habit. It produces a unique effect when the globules are imbedded in rock and then fractured. The result is a radial cluster which reflects light to produce a sparkling pinwheel effect. 

Description: Thousands of tiny botryoidal Wavellite formations upon a heavy, shale-like matrix. The pale green colour and waxy luster of the Wavellite make this a very attractive specimen. 

Location: Cernovice, Beraun, Czech Republic.