Industrial mineral site no. 1701, known as "Unknown" is a site in Okanogan County, Washington. This site has been associated with fluorite. A notation found in USGS Bulletin 1402 on page 56-57 says "Purple flourite is found in the small outcrop of granitic rock where it occurs in a boxwork of veinlets that penetrates a body of crushed, albitized, and bleached granodiorite, which superficially resembles alaskite", and designates the value as "Unknown".
