Century Dictionary and Cyclopedia
- n. A rare mineral occurring in hexagonal crystals of an emerald-green color, and having perfect basal cleavage. It is a basic sulphate of copper and aluminium, containing a small percentage of chlorin. It is found with cuprite in Arizona.
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List of minerals, elements, group names and geochemistry terms encountered in the science of mineralogy. I've chosen to avoid capital letters in most examples, though a great many mineral names hon...
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