stalagmitic marble
... stalagmite 石笋；熔岩笋 stalagmitic marble 石笋大理石 stalagmometer 滴重计 ...
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钙以方解石（碳酸钙）的形式存在于石灰岩、白垩、大理石、白云石、蛋壳、珍珠、珊瑚、钟乳石、石笋和许多海洋动物的壳体中。
In its compounds calcium has valence 2. It occurs in limestone, chalk, marble, dolomite, eggshells, pearls, coral, and many marine shells as calcium carbonate, or calcite;
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