Vishnevite, or sulfatic cancrinite, is a mineral of the
cancrinite group with the
chemical formula
A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols, such as pare ...
(
Na,
Ca,
K)
6(
Si,
Al)
12 O24 SO
4),(carbon">CO
3), chlorine">Cl
2">ca.html" ;"title="
SO
4),(carbon">CO
3), chlorine">Cl
2sub>2-4·nwater">H
2O. It has Hexagonal crystal system">hexagonal
In geometry, a hexagon (from Greek , , meaning "six", and , , meaning "corner, angle") is a six-sided polygon. The total of the internal angles of any simple (non-self-intersecting) hexagon is 720°.
Regular hexagon
A regular hexagon is d ...
crystals.
Webmineral data
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References
External links
Cancrinite group
Hexagonal minerals
Minerals in space group 173
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