A bund consists of: an impervious bund wall or embankment surrounding the facility or tanks. an impervious floor within the bunded area. any joints in the floor or the wall, or between the floor and the wall.
Find great deals on eBay for turquoise slabs and turquoise rough. Shop with confidence.
Turquoise is weighed in carats, where 5 carats equals 1 gram. The heavier the stone, the more valuable it is. It is common to see turquoise priced per carat when it is for sale. So the first step is to weigh the stone, and then figure out what the price is per carat. This price can range from $0.05 to $500 per carat, depending on the stone.