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Melting Point Oregon Feldspar

What is galena galena is a lead sulfide mineral with a chemical composition of pbst is the worlds primary ore of lead and is mined from a large number of deposits in many countriest is found in igneous and metamorphic rocks in medium- to low-temperature hydrothermal veinsn sedimentary rocks it occurs as veins, breccia cements, isolated grains, and as replacements of limestone and.

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