-
forms of
silica (silicon dioxide, SiO2) are
usually considered to be
tectosilicates, and they are
classified as such in the Dana
system (75.1). However...
- Lazurite, old name
Azure spar: 14 is a
tectosilicate mineral with sulfate,
sulfur and
chloride with
formula (Na,Ca)8[(S,Cl,SO4,OH)2|(Al6Si6O24)]. It...
- Amazonite, also
known as amazonstone, is a
green tectosilicate mineral, a
variety of the pot****ium
feldspar called microcline. Its
chemical formula is...
-
Sodalite (/ˈsoʊ.dəˌlaɪt/ SOH-də-lyte) is a
tectosilicate mineral with the
formula Na 8(Al 6Si 6O 24)Cl 2, with
royal blue
varieties widely used as an...
- or
orthoclase feldspar (endmember
formula KAlSi3O8), is an
important tectosilicate mineral which forms igneous rock. The name is from the
Ancient Gr****...
- FEL(D)-spar;
sometimes spelled felspar) is a
group of rock-forming
aluminium tectosilicate minerals, also
containing other cations such as sodium, calcium, pot****ium...
- content. The pure
albite endmember has the
formula NaAlSi 3O 8. It is a
tectosilicate. Its
color is
usually pure white,
hence its name from Latin, albus....
-
Stilbite is the name of a
series of
tectosilicate minerals of the
zeolite group.
Prior to 1997,
stilbite was
recognized as a
mineral species, but a reclassification...
- group, silica-undersaturated and
composed of pot****ium and
aluminium tectosilicate KAlSi2O6.
Crystals have the form of
cubic icositetrahedra but, as first...
-
Scolecite is a
tectosilicate mineral belonging to the
zeolite group; it is a
hydrated calcium silicate, CaAl2Si3O10·3H2O. Only
minor amounts of sodium...
