Adamsite-(Y)
Adamsite-(Y) is a mineral that can be white, pale pink, pale purple, or is colorless in color and is made of crystals.  It is named for Professor Frank Dawson Adams (1859-1942) of McGill University, Montreal, Quebec and is found in the Poudrette quarry in Quebec.  It's environment is in a pegmatite dike that is greatly heated.  It is barely radioactive, and is easily scratched with calcite and it also breaks easily.