答：常见的矿物集合体形态有以下几种类型： (1)粒状集合体(granular aggregate)：这类集合体分布广泛，由矿物矿物集合单晶体颗粒聚集而成。颗粒的形态多近于三向等长形。
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very coarse granular aggregate 极粗团粒状团聚体
In the simulation of mineral-like materials, the most used materials are granular soil, in which iron is usually adopted as a kind of aggregate for increasing bulk density.
在矿山相似材料模拟中，相似材料大多数为散粒体，而铁作为一种增加容重的骨料在其中得到广泛的应用。
The cortical opacification in CT-S digital images was linear, cuniform or clustered aggregate shadow configuration. The posterior subcapsular opacification was discal vacuolar or granular appearance.
CT S图像特征：晶状体皮质混浊为线状、楔形或聚集成簇状排列的斑块状阴影，晶状体后囊膜下混浊为成片的空泡状或颗粒状阴影。
Coarse aggregate is granular material.
粗集料是一种散体结构。
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