nifontovite
/nɪˈfɒntəvʌɪt/Mineralogy
noun
A monoclinic hydrated borate of calcium, Ca3B6O6(OH)12.2H2O, occurring as colourless crystals.
Origin
1960s; earliest use found in Mineralogy Magazine. From Russian nifontovit from the name of Roman Vladimirovič Nifontov (d. 1960), Russian geologist + -it.