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- Periclase abstract "Periclase occurs naturally in contact metamorphic rocks and is a major component of most basic refractory bricks. It is a cubic form of magnesium oxide (MgO).It was first described in 1840 and named from the Greek περικλάω (to break around) in allusion to its cleavage. The type locality is Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy.The old term for the mineral is magnesia. Stones from the Magnesia region in ancient Anatolia contained both magnesium oxide and hydrated magnesium carbonate as well as iron oxides (such as magnetite). Thus these stones, called Stones from Magnesia in antiquity, with their unusual magnetic properties were the reason the terms magnet and magnetism were coined. Periclase is usually found in marble produced by metamorphism of dolomitic limestones. It readily alters to brucite under near surface conditions.In addition to its type locality, it is reported from Predazzo, Tyrol, Austria; Carlingford, County Louth, Ireland; Broadford, Skye and the island of Muck, Scotland; León, Spain; the Bellerberg volcano, Eifel district, Germany; Nordmark and Långban, Varmland, Sweden; and Kopeysk, southern Ural Mountains, Russia. In the USA it occurs at the Crestmore quarry, Riverside County, California; Tombstone, Cochise County, Arizona; Gabbs district, Nye County, Nevada. In Canada, it occurs at Oka, Quebec and in Australia, west of Cowell, Eyre Peninsula, South Australia.".
- Periclase wikiPageID "464617".
- Periclase wikiPageRevisionID "557425331".
- Periclase category Oxide_minerals.
- Periclase cleavage "{001} perfect; {111} imperfect, may exhibit parting on {011}".
- Periclase color "Colorless, grayish white, yellow, brownish yellow, green, black".
- Periclase diaphaneity "Transparent to translucent".
- Periclase formula "MgO".
- Periclase fracture "Conchoidal".
- Periclase gravity "3.56".
- Periclase habit "Granular, generally occurs as anhedral to subhedral octahedral crystals in matrix".
- Periclase hasPhotoCollection Periclase.
- Periclase luster "Vitreous".
- Periclase mohs "6".
- Periclase name "Periclase".
- Periclase opticalprop "Isotropic".
- Periclase other "Fluorescent, long UV=light yellow.".
- Periclase refractive "n = 1.735–1.745".
- Periclase streak "White".
- Periclase strunz "4".
- Periclase symmetry "Cubic 4/m 2/m".
- Periclase system "Isometric - Hexoctahedral".
- Periclase tenacity "Brittle".
- Periclase unitCell "4.21".
- Periclase wordnet_type synset-mineral-noun-1.
- Periclase subject Category:Cubic_minerals.
- Periclase subject Category:Magnesium_minerals.
- Periclase subject Category:Oxide_minerals.
- Periclase type ChemicalSubstance.
- Periclase type Mineral.
- Periclase type ChemicalObject.
- Periclase type Thing.
- Periclase comment "Periclase occurs naturally in contact metamorphic rocks and is a major component of most basic refractory bricks. It is a cubic form of magnesium oxide (MgO).It was first described in 1840 and named from the Greek περικλάω (to break around) in allusion to its cleavage. The type locality is Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy.The old term for the mineral is magnesia.".
- Periclase label "Periclasa".
- Periclase label "Periclase".
- Periclase label "Periclase".
- Periclase label "Periclasio".
- Periclase label "Periklaas".
- Periclase label "Periklas".
- Periclase label "Peryklaz".
- Periclase label "Périclase".
- Periclase label "Периклаз".
- Periclase sameAs Periklas.
- Periclase sameAs Periclasa.
- Periclase sameAs Périclase.
- Periclase sameAs Periclasio.
- Periclase sameAs Periklaas.
- Periclase sameAs Peryklaz.
- Periclase sameAs Periclase.
- Periclase sameAs m.02cqjg.
- Periclase sameAs Q426635.
- Periclase sameAs Q426635.
- Periclase wasDerivedFrom Periclase?oldid=557425331.
- Periclase isPrimaryTopicOf Periclase.
- Periclase name "Periclase".