Crystal Quartz Faceted Bar .925 Silver Bezel Pendant 1 ring Charm. A calibrated Crystal Quartz exhibits a colorless body with good brilliance and is transparent a vitreous luster on a well made symmetrical body.925 Silver Bezel Pendant 1 ring Charm. A calibrated Crystal Quartz exhibits a colorless body with good brilliance and is transparent a vitreous luster on a well made symmetrical body.