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Processing Ore On Feldspar

11.27 Feldspar Processing 11.27.1 General1 Feldspar consists essentially of aluminum silicates combined with varying percentages of potassium, sodium, and calcium, and it is the most abundant mineral of the igneous rocks. The two types of feldspar are soda feldspar 7 percent or higher Na O and potash feldspar 8 percent or higher K O.

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