Incorporated in 1857, it is the fourth-largest city in the state, with a population of 161,791 as of April 1, 2010 census. Vancouver is the county seat of Clark County and forms part of the Portland-Vancouver metropolitan area, the 24th-largest metropolitan area in the United States.ancouver is the county seat of Clark County and forms part of the Portland-Vancouver metropolitan area, the 24th-largest metropolitan area in the United States.
1. whetstone-a flat stone for sharpening edged tools or knives. hone-a whetstone made of fine gritstone; used for sharpening razors. oilstone-a whetstone for use with oil. stone-building material consisting of a piece of rock hewn in a definite shape for a special purpose; he wanted a special stone to mark the site.
Bloodstone, also known as heliotrope, is a green gemstone dotted with bright red spots of iron oxide. Pearl. Pearls are products of bivalve mollusks (mainly oysters and mussels). They are built up of nacre, which is mainly calcium carbonate in the form of aragonite crystals.