Century Dictionary and Cyclopedia
- n. A mineral belonging to the zeolite group, commonly occurring in cruciform twin crystals which vary in color from white to yellow, red, or brown. It is a hydrous silicate of aluminium and barium. Sometimes called cross-stone and andreolite.
- n. mineralogy A rare zeolite, a hydrated barium silicate that forms vitreous white monoclinic crystals.
GNU Webster's 1913
- n. (Min.) A hydrous silicate of alumina and baryta, occurring usually in white cruciform crystals; cross-stone.
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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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