was the key to their success. Why?.
Kyanite
Nearly all gemstones have a single hardness value, no matter where it is measured on the crystal.
Gemstone Cuts
Behind every beautiful gemstone is a highly talented designer, but the skill of the lapidary (cutter) is often
Emerald
The chromium and vanadium present in emerald produce its vibrant colour, which is stable against light and heat and so
Physical Properties of Gemstone Material
An understanding of the optical and physical properties of the material is a prerequisite to knowing the best ways of
Cutting to Order
Sometimes it's not possible to find what you want among available gemstones. You may have a design in mind that
Hiddenite
This is the raw gemstone variety of spodumene. It was discovered e the United States in 1879 by AE Ridden, hence its
Labradorite
This fascinating and colourful stone, which offers a range of colours and optical effects, has become a firm favourite