The story
From carbo- + kentbrooksite.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A trigonal-ditrigonal pyramidal yellow mineral containing calcium, carbon, cerium, chlorine, hydrogen, lanthanum, manganese, neodymium, niobium, oxygen, potassium, praeseodymium, silicon, sodium, strontium, titanium, yttrium, and zirconium. Full definition →
From carbo- + kentbrooksite.
Etymology from Wiktionary, CC BY-SA 4.0.