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- Alum-(K) abstract "Alum-(K) is a hydrous potassium aluminium sulfate mineral with formula KAl(SO4)2·12(H2O). It is the mineral form of potassium alum and is referred to as potassium alum in older sources. It is a member of the alum group.It occurs as colorless to white, soft isometric crystals and efflorescence coatings. Rare crystals are octahedral in form if occurring as precipitates from neutral water solution, but cubic in form if the solution is alkaline.It occurs as a precipitate around volcanic fumaroles and solfataras. It also occurs as an alteration in argillaceous sediments or coal beds which contain oxidizing sulfide minerals (pyrite or marcasite). Occurs associated with alunogen, pickeringite, epsomite, melanterite, gypsum and native sulfur.Occurrences include Mount Vesuvius, Italy and Alum Cave, Sevier County, Tennessee.".
- Alum-(K) thumbnail Potassium_alum_octahedral_like_crystal.jpg?width=300.
- Alum-(K) wikiPageID "31264647".
- Alum-(K) wikiPageRevisionID "568758488".
- Alum-(K) caption "Octahedral crystal of potassium alum".
- Alum-(K) category Sulfate_minerals.
- Alum-(K) cleavage "On {111} indistinct".
- Alum-(K) color "Colorless, white".
- Alum-(K) diaphaneity "Transparent".
- Alum-(K) formula "KAl2·12".
- Alum-(K) fracture "Conchoidal".
- Alum-(K) gravity "1.757".
- Alum-(K) habit "Stalactitic, columnar, granular, massive efflorescences; rare as small octahedral crystals".
- Alum-(K) hasPhotoCollection Alum-(K).
- Alum-(K) luster "Vitreous".
- Alum-(K) mohs "2".
- Alum-(K) name "Alum-".
- Alum-(K) opticalprop "Isotropic".
- Alum-(K) refractive "n=1.453".
- Alum-(K) solubility "Water soluble".
- Alum-(K) strunz "7".
- Alum-(K) symmetry "H-M symbol:".
- Alum-(K) symmetry "Isometric diploidal".
- Alum-(K) symmetry "Space group: P a3".
- Alum-(K) system Cubic_crystal_system.
- Alum-(K) twinning "Rare on {111}".
- Alum-(K) unitCell "a = 12.133; Z = 4".
- Alum-(K) subject Category:Cubic_minerals.
- Alum-(K) subject Category:Potassium_minerals.
- Alum-(K) subject Category:Sulfate_minerals.
- Alum-(K) type ChemicalSubstance.
- Alum-(K) type Mineral.
- Alum-(K) type ChemicalObject.
- Alum-(K) type Thing.
- Alum-(K) comment "Alum-(K) is a hydrous potassium aluminium sulfate mineral with formula KAl(SO4)2·12(H2O). It is the mineral form of potassium alum and is referred to as potassium alum in older sources. It is a member of the alum group.It occurs as colorless to white, soft isometric crystals and efflorescence coatings.".
- Alum-(K) label "Alum-(K)".
- Alum-(K) label "Alum-(K)".
- Alum-(K) sameAs Alum-(K).
- Alum-(K) sameAs m.0l8ngpr.
- Alum-(K) sameAs Q4737323.
- Alum-(K) sameAs Q4737323.
- Alum-(K) wasDerivedFrom Alum-(K)?oldid=568758488.
- Alum-(K) depiction Potassium_alum_octahedral_like_crystal.jpg.
- Alum-(K) isPrimaryTopicOf Alum-(K).
- Alum-(K) name "Alum-(K)".