vishnevite

Vishnevite, or sulfatic cancrinite, is a mineral of the cancrinite group with the chemical formula (Na, Ca, K)6(Si, Al)12O24[(SO4),(CO3), Cl2]2-4·nH2O. It has hexagonal crystals.

Key facts

Mineral.name: Vishnevite
Mineral.image: Vishnevite - sulfate cancrinite w- orthoclase and melanite Hydrous sodium calcium potassium aluminum silicate sulfate and carbonate Loch Borrolan Sutherland Scotland 1650.jpg
Mineral.imagesize: 260px
Mineral.caption: Vishnevite from Scotland
Mineral.category: Tectosilicate minerals
Mineral.group: Feldspathoid group, cancrinite group
Mineral.formula: (Na,Ca,K)6(Si,Al)12O24[(SO4),(CO3),Cl2]2-4·nH2O
Mineral.IMAsymbol: Vhn
Mineral.strunz: 9.FB.05
Mineral.system: Hexagonal
Mineral.class: Pyramidal (6) H-M symbol: (6)
Mineral.symmetry: P63
Mineral.unit cell: a = 12.7228(3) c = 5.198(3) [Å]; Z = 1
Mineral.color: Colorless, light blue, orange-yellow, white
Mineral.cleavage: Perfect
Mineral.mohs: 5 - 6
Mineral.luster: Vitreous, pearly
Mineral.streak: White

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Wikidata facts

Image: Vishnevite4 Casale IC 05mm-5.jpg

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Commons category: Vishnevite
Nickel-Strunz 9th edition (updated 2009): 9.FB.05
Nickel-Strunz '10th ed', review of (9th ed/ 2009 update): 9.FB.05
IMA Mineral Symbol: Vhn
chemical formula: Na₈(Al₆Si₆)O₂₄(SO₄)·2H₂O
Strunz 8th edition (series ID, updated): VIII/F.05

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Vishnevite, or sulfatic cancrinite, is a mineral of the cancrinite group with the chemical formula (Na, Ca, K)6(Si, Al)12O24[(SO4),(CO3), Cl2]2-4·nH2O. It has hexagonal crystals.

==References==