Century Dictionary and Cyclopedia
- n. A clear red variety of zinc sulphid, or sphalerite.
- n. Ruby silver; a red silver ore, or sulphid of arsenic (as antimony) and silver. These ores include the mineral species proustite and pyrargyrite.
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"blende n. An ore of zinc; a native sulphid of zinc, but commonly containing more or less iron, also a little cadmium, and sometimes rarer elements (gallium, indium). Its color is mostly brown and ...
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