Q317
Pure soda feldspar is
A.
Albite
AnswerB.
Anorthite
C.
Orthoclase
D.
Microcline
Answer: Option A
Solution
Answer: Option A
Solution:
Soda feldspar is a crystalline mineral made up of mainly silica and alumina in combination with sodium and potassium oxides.Albite is the Pure soda feldspar. The chemical formula of pure albite is NaAlSi3O8. It is a tectosilicate. Its colour is usually pure white and is a common constituent in felsic rocks.