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About: Clinoptilolite     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatPotassiumMinerals, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingdul:ChemicalObjectchemical substanceMineralmineralyago:WikicatCalciumMineralsyago:WikicatMonoclinicMineralsyago:WikicatSilicateMineralsyago:WikicatSilicatesyago:WikicatSodiumMineralsyago:Abstraction100002137yago:Chemical114806838yago:Compound114818238yago:Material114580897yago:Matter100020827yago:Mineral114662574yago:Part113809207yago:PhysicalEntity100001930yago:Relation100031921yago:WikicatZeolitesyago:Zeolite115106867yago:Salt115010703yago:Silicate115040033yago:Softener115055936yago:Substance100019613yago:WaterSoftener115056112yago:WikicatAluminiumMineralsyago:WikicatPotassiumMinerals New Facet based on Instances of this Class

Clinoptilolite is a natural zeolite composed of a microporous arrangement of silica and alumina tetrahedra. It has the complex formula (Na,K,Ca)2–3Al3(Al,Si)2Si13O36•12H2O. It forms as white, green to reddish tabular monoclinic tectosilicate crystals with a Mohs hardness of 3.5 to 4 and a specific gravity of 2.1 to 2.2. It commonly occurs as a devitrification product of volcanic glass shards in tuff and as vesicle fillings in basalts, andesites and rhyolites. It was described in 1969 from an occurrence in the Barstow Formation, San Bernardino County, California. Sodium levels in clinoptilolite are generally higher than potassium levels, as is the case with the San Bernardino Barstow Formation, but there are sources that are potassium-rich and have minimal sodium.