feldspar is a common aluminium silicate minerals that has many usage in industry field. our feldspar can be made to order.

Feldspar is the Aluminum silicate minerals of Alkali metal or alkaline earth metals such as potassium, sodium, calcium, barium, etc. It is one of the most important rock forming minerals with the main contents of SiO2,Al2O3,K2O, Na2O,CaO. Feldspar can be assorted by its chemical composition:(1). K-feldspar, K2O•Al2O3•6SiO2;(2). Albite, Na2O•Al2O3•6SiO2 ;(3). Anorthite, CaO•Al2O3•2SiO2;(4). Celsian; BaO•Al2O3•2SiO2

SiO2: 65%

Al2O3: 17.32%

Fe2O3: 0.12%

CaO: 0.27%

MgO: 0.25%

K2O: 11.7%

Na2O: 0.92%

TiO2: 0.05%

Loss: 0.84

fire way: oxidizing flame

Particle size: 800 mesh

whiteness: 1270 degree Celsius 88

our feldspar can also produced according to buyer's requirement.

feldspar