This is an exceptional hand cut Swiss blue quartz gemstone.
This stone is hand bezel set in 95% fine silver (.950) with 5% pure copper added to harden the metal. I've chosen this grade of silver to maintain a hypoallergenic product for sensitive skins. I've used a double bezel to frame the stone and added a fixed bale.
The pendant including the bale measures 29 mm long x 18 mm wide. The bale alone is 9 mm long with an internal diameter of approx. 6 mm. The pendant weighs 9.2 grams.