Century Dictionary and Cyclopedia
- n. Native aluminium sulphate, occurring in fine capillary fibers, and consisting of 36.05 parts of sulphuric acid, 15.40 of alumina, and 48.55 of water. It is found in volcanic solfataras, in clays, in feldspathic rocks containing pyrites, and as an efflorescence on the walls of mines and quarries. Also called
GNU Webster's 1913
- n. (Min.) A white fibrous mineral frequently found on the walls of mines and quarries, chiefly hydrous sulphate of alumina; -- also called
feather alum, and hair salt.
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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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