Originally posted by Peakite🙂
http://www.chm.bris.ac.uk/sillymolecules/sillymols.htm
Cummingtonite
This mineral must have the silliest name of them all! Its official name is magnesium iron silicate hydroxide, and it has the formula (Mg,Fe)7Si8O22(OH)2. It got its name from the locality where it was first found, Cummington, Massachusetts, USA.