Augite

  • 61Diopside — Bellecombe, Châtillon, Aosta Valley, Italy General Category Silicate mineral Chemical formula …

    Wikipedia

  • 62Pyroxenite — A sample of the orthopyroxenite meteorite ALH84001 Pyroxenite is an ultramafic igneous rock consisting essentially of minerals of the pyroxene group, such as augite and diopside, hypersthene, bronzite or enstatite …

    Wikipedia

  • 63Variolite — Variolites (Latin varius , speckled, variegated ) are a group of dark green basic igneous rocks that, especially on weathered surfaces, exhibit pale colored spots, or spherules, that give them a pockmarked appearance. In some conditions these… …

    Wikipedia

  • 64Ijolite — (derived from the first syllable of the Finnish words Ii vaara, Iijoki, c., common as geographical names in Finland, and the Gr. Xiflos, a stone), is an igneous rock consisting essentially of nepheline and augite. Ijolite is a rare rock type of… …

    Wikipedia

  • 65List of minerals A-B (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go… …

    Wikipedia

  • 66Fassaite — is a variety of augite but having a very low iron content. It is named after the Fassa Valley, Italy. Some authorities do not recognize it as a separate mineral but continue to class it with Augite. It is thought to be a contact mineral formed at …

    Wikipedia

  • 67Theralite — (from Greek to pursue ) is, in petrology, a group of plutonic holocrystalline rocks consisting of nepheline, basic plagioclase, augite and olivine, and so called because of its rare occurrence. Its discovery was looked forward to with interest as …

    Wikipedia

  • 68Aegirine — crystals in matrix General Category Silicate mineral, Pyroxene …

    Wikipedia

  • 69Limburgite — In petrology, limburgite is a dark colored volcanic rock resembling basalt in appearance, but containing normally no felspar. The name is taken from Limburg, Germany, where they occur in the well known rock of the Kaiserstuhl. They consist… …

    Wikipedia

  • 70Quartz-porphyry — Quartz porphyry, in petrology, is the name given to a group of hemi crystalline acid rocks containing porphyritic crystals of quartz in a fine grained matrix, usually of micro crystalline or felsitic structure. In specimens, the quartz appears as …

    Wikipedia