以下为句子列表：
英文: Miscellany - The red corundum grains in some of the ruby...zoisite rocks have corona like shell consisting of an off-white to yellowish material that, according to Chris Wright of Wright's Rock Shop, Hot Springs, Arkansas (personal communication, July, 20
中文: 备注：在某些红宝石里有红刚玉的交叉双晶，有的黝帘石岩石有象贝壳样的冠状物，颜色为白色到淡黄色，属于一种变种的黝帘石。
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