Site designed for an education aid to students, but contains many excellent slides showing the geology of Oman. See dolerite dykes, harzburgite, and channel-fill structures.
Green crystallized fluorite from the Rogerley Mine, Weardale, Northern England. The last remaining mine active in the historic Weardale mining district.
Massachusetts mineral and fossil localities - compiled by Peter Gleba, published ... Minerals and fossils are a limited resource, and removing them from the rock ...
Rock and Mineral Localities (Subscribe) Links. Mineral Location Database CD-ROM ... Mineral collecting and leasing information for beginner to pro. ...