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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An isometric-hexoctahedral mineral containing aluminum, hydrogen, iron, oxygen, potassium, and sulfur.

from The Century Dictionary and Cyclopedia

  • n. In mineralogy, a hydrous sulphate of iron, occurring in isometric crystals of a green to black color: first found at the solfatara near Naples.


-ite (Wiktionary)


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