Bezel Gem Pendant - Sterling Silver - 14mm Faceted Coin - Green Onyx |
Gemstone: Green Onyx Frame Material: Genuine .925 Sterling Silver. Shape: Faceted coin shape on both sides. Measurement: 19mm long, stone is 14mm. Weight: 1.8 grams per piece |
These stones are known as hydrothermal quartz, which contains the same physical, chemical and optical properties of a natural stone. Chalcedony and onyx stones are extremely similar to quartz with an opaque look. For further information and details regarding this process, see the Beadunion Blog: http://www.beadunion.com/bezel-gemstone-information