Manganite is a strongly magnetic ore of manganese seldom found in commercial quantities. It is often found in veins associated with granitic igneous rocks. It alters to pyrolusite. Barite and calcite are frequent associates. Research Manganite
Mendipite is a rare white, grey or colourless mineral with a high density but low relative hardness of 2.5 Mendipite is a halide of lead formed around volcanic vents and in hydrothermal veins. It is most commonly found in association with calcite, cerussite, malachite, manganite, pyrolusite and pyromorphite. Most deposits take the form of columnar or fibrous masses, often with radiating external shapes. Research Mendipite
The Probert Encyclopaedia was designed, edited and programed by
Matt and Leela Probert
Abbreviations
Research Manganite
