About: Polyhalite

An Entity of Type: chemical substance, from Named Graph: http://dbpedia.org, within Data Space: dbpedia.org

Sulfate mineral

Property Value
dbo:description
  • minerale (it)
  • minéral (fr)
  • mineraal (et)
  • sulfate mineral (en)
  • Mineral aus der Gruppe der Sulfate (de)
  • K2CA2MG(SO4)4•2(H2O).; Најважнији минерал магнезијума. (sr)
dbo:thumbnail
dbo:wikiPageWikiLink
dbp:2v
  • Measured: 60° to 62° (en)
dbp:birefringence
  • δ = 0.021 (en)
dbp:caption
  • Museum specimen of polyhalite and anhydrite (en)
dbp:category
dbp:class
  • Pinacoidal (en)
dbp:cleavage
  • Perfect on {10}; parting on {010} (en)
dbp:color
  • Colorless, white, gray; often salmon-pink to brick-red from included iron oxide (en)
dbp:diaphaneity
  • Transparent (en)
dbp:fracture
  • Conchoidal (en)
dbp:gravity
  • 2.780000 (xsd:double)
dbp:habit
  • Typically fibrous, foliated, massive; rarely as tabular crystals; pseudo-orthorhombic (en)
dbp:imasymbol
  • Plhl (en)
dbp:luster
  • Vitreous to resinous (en)
dbp:mohs
  • 3.500000 (xsd:double)
dbp:name
  • Polyhalite (en)
dbp:opticalprop
  • Biaxial (en)
dbp:refractive
  • nα = 1.546 – 1.548 nβ = 1.558 – 1.562 nγ = 1.567 (en)
dbp:solubility
  • Soluble in water, with precipitation of gypsum and perhaps syngenite (en)
dbp:streak
  • White (en)
dbp:strunz
  • 7 (xsd:integer)
dbp:symmetry
  • F (en)
dbp:system
dbp:tenacity
  • Brittle (en)
dbp:twinning
  • Characteristically polysynthetic on {010}, {100} (en)
dbp:unitCell
  • a = 6.95 Å, b = 8.88 Å, (en)
  • c = 6.95 Å; α = 104.06°, (en)
  • β = 113.94°, γ = 101.15°; Z = 4 (en)
dbp:wikiPageUsesTemplate
dct:subject
gold:hypernym
rdf:type
rdfs:label
  • Polyhalite (en)
  • Polihalita (ca)
  • بوليهاليت (ar)
  • Polihalita (eu)
  • Polyhalit (de)
  • Polihalita (es)
  • Polyhalite (fr)
  • Polialite (it)
  • Polyhalit (sv)
  • Полигалит (ru)
  • 杂卤石 (zh)
  • Полігаліт (uk)
owl:sameAs
prov:wasDerivedFrom
foaf:depiction
foaf:isPrimaryTopicOf
foaf:name
  • Polyhalite (en)
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