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What is the chemical composition of potassium feldspar?


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Answered 2007-08-08 02:26:54

Potassium feldspars are common members of the alkali feldspar group and form a complete solid solution series from KAaSi3O8 through (K, Na)AlSi3O8 to NaAlSi3O8. You really need more information for a precise chemical composition as K-Feldspars can have a wide range of chemical compositions.

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What is the dominant feldspar in granite?

Granite contains plagioclase feldspar and potassium feldspar. It really depends on the composition of the magma from which it forms. If the granite has a lot of pink in it, chances are it is potassium feldspar (K-Spar). If it is dominated by white, then the feldspar is probably plag.


What is the chemical composition for pink granite?

Pink granite would consist primarily of potassium feldspar and quartz with minor amounts of mica and other feldspars.


What is the product of the chemical weathering of potassium feldspar?

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What is chemical formula of potash feldspar?

Potassium (potash) feldspars is KALSi3O8


When potassium feldspar is weathering by water into kaolinite the process is called what?

Chemical weathering.


What is the chemical composition of feldspar?

The chemical composition of Feldspars are KAlSi3O8 â?? NaAlSi3O8 â?? CaAl2Si2O8. They are rock forming minerals that make up %60 of the Earth's crust.


What is the chemical composition of potassium chlorate?

1 atom of Potassium, 1 of Chlorine and 3 of Oxygen


Products of the chemical weathering of potassium feldspar?

Feldspars break down to form clays like kaolin.


What rock contains both amphibole and potassium feldspar?

Granite is a rock containing both amphibole and potassium feldspar.


What is the name of a potassium rich mineral in Canada?

Potassium feldspar


What is a catchy phrase that deals with potassium?

potassium is silvery white, its chemical composition is brighter than light! How's that???


Is feldspar in granite?

Yes, Granite is composed mainly of quartz and potassium feldspar


What is the chemical composition of uppermost part of matchstick?

Potassium chlorate and Antimony trisulphide


Clay minerals silica and dissolved potassium bicarbonate in the soil water are products of which process?

chemical weathering of orthoclase feldspar


Mineral composition and physical properties of granite?

Mineral composition of granite: K-feldspar Na-feldspar Quartz Muscovite Biotite


Do Granite and Gabbro have the same chemical composition?

No. Gabbro is a mafic rock (magnesium and iron silicates) while granite is a felsic rock (referring to lighter elements such as potassium in feldspar). Felsic rock contains fewer heavy elements than mafic rocks. The chemical equivalent to gabbro is basalt, as both are mainly pyroxene and plagioclase feldspar. The difference is that gabbro is intrusive rock and basalt is extrusive.


What type of cleavage does feldspar have?

Plagioclase feldspar is a non-metallic mineral. It has 2 cleavages at nearly right angles. It is also differentiated from potassium feldspar because it contains striations. Potassium feldspar has 2 cleavages at nearly right angles.


What is the composition of granite?

Granite is defined as a course grained rock that must have plagioclase feldspar, potassium (aka alkali) feldspar, and quartz. Granite can also have a number of secondary minerals like micas or hornblende, but these secondary minerals do not have to be present.


What is Obsidians' composition?

potassiun feldspar, quartz, plagioclase feldspar,biotite, and amphibole.


Does slate contain potassium Feldspar?

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Potassium rich feldspar rocks?

barium


What was feldspar used for?

Potassium feldspar and plagioclase feldspar are used for ceramics, glass, enamel, soap, false teeth, and scouring powders.


What is the scientific name for feldspar?

Feldspar is not a specific substance, but a class of aluminosilicates of potassium, sodium and calcium.


What is the mineral composition of arkose?

feldspar and quartz


What elements make up feldspar?

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