pleonaste

Ancient Greek [Term?] abundant, rich; compare French pléonaste.

pleonaste (plural pleonastes)

1. (mineralogy) A black variety of spinel.

• “pleonaste”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• David Barthelmy (1997–2025) “Pleonaste”, in Webmineral Mineralogy Database.
• “pleonaste”, in Mindat.org‎^[1], Hudson Institute of Mineralogy, 2000–2025.

• antelopes