-
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...
- or
orthoclase feldspar (endmember
formula KAlSi3O8), is an
important tectosilicate mineral which forms igneous rock. The name is from the
Ancient Gr****...
- 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...
- 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...
- ˈpleɪdʒ-, -ˌkleɪz/ PLAJ-(ee)-ə-klayss, PLAYJ-, -klayz) is a
series of
tectosilicate (framework silicate)
minerals within the
feldspar group.
Rather than...
- haüynite (/ɑːˈwiːnaɪt/ ah-WEE-nyte), old name
Azure spar,: 571 is a rare
tectosilicate sulfate mineral with
endmember formula Na3Ca(Si3Al3)O12(SO4). As much...
- 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....
- 13O 36•12H 2O. It
forms as white,
green to
reddish tabular monoclinic tectosilicate crystals with a Mohs
hardness of 3.5 to 4 and a
specific gravity of...
