Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An isometric-hextetrahedral mineral containing beryllium, iron, oxygen, silicon, and sulfur.

from the GNU version of the Collaborative International Dictionary of English

  • n. A mineral occuring in octahedral crystals, also massive, of a reddish color. It is a silicate of iron, zinc manganese, and glucinum, containing sulphur.

from The Century Dictionary and Cyclopedia

  • n. A rare mineral, a silicate of iron, zinc, manganese, and glucinum, containing about 6 per cent. of sulphur, found in eastern Massachusetts, in grains and isometric crystals in granite.

Etymologies

Dana +‎ -lite, after James Dwight Dana. (Wiktionary)

Examples

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