Here, the pink and red grains are garnet, but garnet can also be brown, black, green, or orange, depending on the chemistry.
这幅图中，红色和粉红色的沙粒是石榴石，但是石榴石也有可能是棕色、黑色、绿色、或者橙色的，这要取决于其中含有的化学成分。
From there they become more like a ruby color, then garnet, then brick red, then brown.
然后依次是宝石红-石榴红-砖红-棕色。
From there they become more like a ruby color, then garnet, then brick red, then brown.
然后依次是宝石红-石榴红-砖红-棕色。
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