Topaze London Blue Calcite There are two types of

There are two types of jade : jadeite jade and nephrite jade

The yellow colors of the heliodor are usually caused by small amounts of iron in the crystal structure of the mineral

00 mm & 10

orange and green

Topaze London Blue Calcite There are two types ofTopaz is a fine stone that has an impressive variety of colors such as red, orange, yellow, brown, blue or even colorless. Swiss blue topaz is a bright and vibrant blue. Variety: Topaz Colour: London blue Dimensions : 8. 50 mm Weight: About 4. 10 ct Shape: Sugar Loaf Treatment: Irradiation Hardness: 8 Actual product colors may vary from the colors shown on your monitor.