球文石是碳酸钙的同质多象变体，最不稳定，很少在自然界出现。
By optical microscope, vaterite , a very unstable polymorphism of calcium carbonate, which rarely appears in nature, has been discovered.
球文石是碳酸钙的同质多象变体，最不稳定，很少在自然界出现。
By optical microscope, vaterite , a very unstable polymorphism of calcium carbonate, which rarely appears in nature, has been discovered.
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