Calcium carbonate occurs in the allomorphs calcite and aragonite.

同质异晶的方解石和文石中含有碳酸钙.

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The chemical composition of the melo shell is calcite and aragonite.

美乐贝的化学成分是方解石和文石.

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Aragonite and magnesium calcite are more soluble than normal calcite.

霰石和镁方解石,比普通方解石更容易溶解.

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The observation also showed that the each aragonite sheet consists of lesser aragonite sheet fibers.

观察也发现每一霰石片又是由更细小的霰石片纤维所组成,霰石片纤维的厚度具有纳米的尺度.

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The acicular and columnar shapes of aragonite crystals are preserved even after aragonite changes into calcite.

文石转变为方解石常保留文石的针状、柱状晶形,并存在于石笋沉积生长的始终.

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Widely distributed calcite and aragonite crystal in the cave passage are originated from ancient pool deposits.

洞内大片分布的石花起源于四大古水池沉积物的存在.

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