Wavellite, an alumino-phosphate mineral, chemical formula Al3(PO4)(OH, F)3.5H2O, crystal system orthorhombic. It is usually found in metamorphic rocks in the form of green, yellowish-brown or blue radial aggregates. Provenance of sample is in the vicinity of the resort city Hot Springs in Arkansas, USA. Actual width is 140 mm | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 4543 px × 3072 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |