Stone: Black Onyx
Frame: Sterling silver
Shape: Trillion shaped pendant
Measurement: 18mm around, approximately 6mm thick
Connector rings: 3mm rings, 2mm inner diameter
Weight: approximately 3.5 grams per piece.
Quantity: 1 connector pendant
Pictures show the shape of products, for actual size, please read the measurement.
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