PDCgems
Chalcedony (blue), quartz
$260
Chalcedony is the most important variety of polycrystalline quartz. Its grains are very fine and it can be semi-transparent to translucent; it comes in a multitude of colors. The term chalcedony alone, without any other qualifier, is reserved for a white to bluish variety.
Variety: Quartz
Blue color
Dimensions: 24.00 x 18.00 mm
Weight: 13.87 ct
Shape: Oval Druzy
Treatment: None
Hardness: 7.5
Actual product colors may vary from colors shown on your monitor.