Feldspar The minerals of the feldspar group (feldspars for short) are a large group of very frequently occurring silicates with the general chemical composition (Ba,Ca,Na,K,NH4,Sr)(Al,Fe3+,B,Si)4O8. The elements indicated in parentheses can represent each other (substitution, diadochy), but are always in the same quantitative ratio to the other constituents of the mineral (substitution). Feldspar Areas of use: white cement production, ceramic production, cosmetics, glass, ceramics, welding electrodes and paint industry If requested, we can provide 220,000 tons every month from International Port Mesin Turkey FOB.
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