was the key to their success. Why?.
Demantoid
A green variant of Garnet, or more accurately, the rarest, most valuable, most brilliant of green garnets. Exceedingly
Hematite
The metallic silver-grey crystal surfaces of specular hematite are so highly reflective that they were used in the past
Spectrolite
This is the trade name of Finnish labradorite. Its properties are the same, but it tends to have a dark, opaque colour
Moonstone
Moonstone is the opalescent variety of orthoclase. Traditionally thought to be a good- luck stone and an arouser of
Blue moonstone
Transparent and crystal clear with a floating blue schiller on the surface, this is the most valuable type of moonstone.
Cabochons
Attitudes toward cabochon-cut gemstones vary from country to country. The United States and Britain view faceted stones
Orthoclase Feldspar
Orthoclase is a moderately cheap transparent stone that is colourless or pale yellow and can have a bluish white