selection of precious and semiprecious stones on the market

agat agate alternative amazonit amethyst aquamarine background bazaar blue bright closeup collection color colorful crystal crystalline decoration display expensive fashion gem gemstone gemstones geological geology grand granite healing jewelery jewellery jewelry macro malachite market mineral minerals multicolored natural object opal peridote precious quartz rings rock rough ruby sale selection semi semiprecious shiny stone stones therapy treasure turquoise valuable variety violet