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HAULAGE

Haulage
Feldspar Rock Feldspars are a group of rock-forming aluminum tectosilicate minerals containing sodium, calcium, potassium, or barium. Feldspar crystallizes from magma as both intrusive and extrusive igneous rock and is also present in many types of metamorphic rocks. Feldspars are used as fluxing agents to form a glassy phase at low temperatures and as a […]
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