Sterling Silver And Ruby Gemstone NecklaceThis necklace is a perfect gift for a minimalist, or if they are born in the month of July, which this month's birthstone is the Ruby. The Ruby pendant features a sterling silver bezel and is a simple yet elegant oval shape. The chain this Ruby pendant sits on is Sterling silver and is a box chain. Rubies are made from corundum, a crystalline form of aluminum oxide. The rubys red color comes from trace amounts of the element chromium, which replace