dipyre

From di- + Ancient Greek πῦρ (pûr, “fire”); so called from the double effect of fire upon it, in fusing it and rendering it phosphorescent.

dipyre (plural dipyres)

1. A type of scapolite (mineral).

• “dipyre”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• “dipyre”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.