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- Polyhalite abstract "Polyhalite is an evaporite mineral, a hydrated sulfate of potassium, calcium and magnesium with formula: K2Ca2Mg(SO4)4·2H2O. Polyhalite crystallizes in the triclinic system although crystals are very rare. The normal habit is massive to fibrous. It is typically colorless, white to gray, although it may be brick red due to iron oxide inclusions. It has a Mohs hardness of 3.5 and a specific gravity of 2.8.It occurs in sedimentary marine evaporites and is a major potassium ore mineral in the Carlsbad Deposits of New Mexico.Polyhalite was first described in 1818 for specimens from its type locality in Salzberg, Austria. The name is from the Greek polys hals for many salts.It has no connection to the sodium halide mineral halite other than that both are evaporite minerals.Polyhalite is used as a specialty fertilizer since it contains four important nutrients and is low in chlorine.".
- Polyhalite thumbnail History_museum_of_Truskavets_081.jpg?width=300.
- Polyhalite wikiPageID "2534695".
- Polyhalite wikiPageRevisionID "599641391".
- Polyhalite 2v "Measured: 60° to 62°".
- Polyhalite birefringence "δ = 0.021".
- Polyhalite caption "Museum specimen of polyhalite and anhydrite".
- Polyhalite category Sulfate_minerals.
- Polyhalite cleavage "Perfect on {10}; parting on {010}".
- Polyhalite color "Colorless, white, gray; often salmon-pink to brick-red from included iron oxide".
- Polyhalite diaphaneity "Transparent".
- Polyhalite formula "K2Ca2Mg4·2H2O".
- Polyhalite fracture "Conchoidal".
- Polyhalite gravity "2.78".
- Polyhalite habit "Typically fibrous, foliated, massive; rarely as tabular crystals".
- Polyhalite hasPhotoCollection Polyhalite.
- Polyhalite luster "Vitreous to resinous".
- Polyhalite mohs "3.5".
- Polyhalite name "Polyhalite".
- Polyhalite opticalprop "Biaxial".
- Polyhalite refractive "nα = 1.546 - 1.548 nβ = 1.558 - 1.562 nγ = 1.567".
- Polyhalite solubility "Soluble in water, with precipitation of gypsum and perhaps syngenite".
- Polyhalite streak "White".
- Polyhalite strunz "7".
- Polyhalite symmetry "Triclinic pinacoidal Space group: P".
- Polyhalite system Triclinic_crystal_system.
- Polyhalite tenacity "Brittle".
- Polyhalite twinning "Characteristically polysynthetic on {010}, {100}".
- Polyhalite unitCell "a = 6.95 Å, b = 8.88 Å, c = 6.95 Å; α = 104.06°, β = 113.94°, γ = 101.15°; Z=4".
- Polyhalite subject Category:Calcium_minerals.
- Polyhalite subject Category:Evaporite.
- Polyhalite subject Category:Magnesium_minerals.
- Polyhalite subject Category:Potassium_minerals.
- Polyhalite subject Category:Sulfate_minerals.
- Polyhalite subject Category:Triclinic_minerals.
- Polyhalite type Abstraction100002137.
- Polyhalite type CalciumMinerals.
- Polyhalite type MagnesiumMinerals.
- Polyhalite type Material114580897.
- Polyhalite type Matter100020827.
- Polyhalite type Mineral114662574.
- Polyhalite type Part113809207.
- Polyhalite type PhysicalEntity100001930.
- Polyhalite type PotassiumMinerals.
- Polyhalite type Relation100031921.
- Polyhalite type Substance100019613.
- Polyhalite type SulfateMinerals.
- Polyhalite type TriclinicMinerals.
- Polyhalite type ChemicalSubstance.
- Polyhalite type Mineral.
- Polyhalite type ChemicalObject.
- Polyhalite type Thing.
- Polyhalite comment "Polyhalite is an evaporite mineral, a hydrated sulfate of potassium, calcium and magnesium with formula: K2Ca2Mg(SO4)4·2H2O. Polyhalite crystallizes in the triclinic system although crystals are very rare. The normal habit is massive to fibrous. It is typically colorless, white to gray, although it may be brick red due to iron oxide inclusions.".
- Polyhalite label "Polialite".
- Polyhalite label "Polihalita".
- Polyhalite label "Polyhalit".
- Polyhalite label "Polyhalite".
- Polyhalite label "Полигалит".
- Polyhalite sameAs Polyhalit.
- Polyhalite sameAs Polihalita.
- Polyhalite sameAs Polialite.
- Polyhalite sameAs m.07ljs_.
- Polyhalite sameAs Q425034.
- Polyhalite sameAs Q425034.
- Polyhalite sameAs Polyhalite.
- Polyhalite wasDerivedFrom Polyhalite?oldid=599641391.
- Polyhalite depiction History_museum_of_Truskavets_081.jpg.
- Polyhalite isPrimaryTopicOf Polyhalite.
- Polyhalite name "Polyhalite".
