Topaze london blue Quartz This ametrine was cut and

This ametrine was cut and signed by the very famous John Dyer

Shape and size: Rectangle cushion

is a color-changing variety of diaspore from Turkey

Polychrome stones are relatively common

56 ct Shape: Pear cabochon Treatment: None Hardness: 7

Topaze london blue Quartz This ametrine was cut andTopaz is a fine stone that has an impressive variety of colors such as red, orange, yellow, brown, blue or even colorless. London blue topaz is deep blue with a slight tinge of green. Variety: Topaz Color: London blue Dimensions: 6. 00 mm Weight: About 1. 60 ct Shape: Round "acorn" Treatment: Irradiation Hardness: 8 Actual product colors may vary from colors shown on your monitor.