Feldspar can be divided into two large group, the potassium feldspar includes orthoclase and microcline.
长石可以分为钾长石和斜长石两大类，钾长石中包括正长石和微斜长石。
Rock-forming mineral, olivine, pyroxene, hornblende, orthoclase, feldspar, plagioclase, mica, quartz, biotite, calcite and other common metal and nonmetal minerals.
造岩矿物的概念、橄榄石、长石、角闪石、辉石、云母、石英、方解石和常见金属和非金属矿物。
Rock-forming mineral, olivine, pyroxene, hornblende, orthoclase, feldspar, plagioclase, mica, quartz, biotite, calcite and other common metal and nonmetal minerals.
造岩矿物的概念、橄榄石、长石、角闪石、辉石、云母、石英、方解石和常见金属和非金属矿物。
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