alaskite

a granitic rock that contains less than 5 percent of dark-colored minerals.
Found on http://www.cst.cmich.edu/users/dietr1rv/gemrxAppB.htm

Alaskite

A bimineralic leucocratic granite rock composed of quartz and alkali feldspar.
Found on http://www.quartznall.co.uk/azhealthguide.htm
No exact match found