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.
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It forms in veins, which later then turn into a clump of turquoise. Turquoise deposits are found in Arizona, Colorado, New Mexico, California, Nevada, Virginia, and Utah. The turquoise mineral is considered one of the highest value minerals in the world by most collectors.American turquoise is valued by its matrix pattern, color, hardness, and by origin.acts About Turquoise. Turquoise is a blue to gray-green mineral consisting of copper aluminum phosphate. The mineral is a hyrous phosphate of aluminum, which includes a small percent of copper. The copper is what gives the mineral its blue coloring.