was the key to their success. Why?.
Cabochons
Attitudes toward cabochon-cut gemstones vary from country to country. The United States and Britain view faceted stones
Turquoise
For over 3,000 years, the ancient Persians exported turquoise to the world people couldn't get enough of it
Amazonite (microcline)
Amazonite is an attractive opaque stone that, due to the presence of lead, is either striped blue and white or a solid
Spectrolite
This is the trade name of Finnish labradorite. Its properties are the same, but it tends to have a dark, opaque colour
Coral
Its colour and rarity once gave coral the same status as diamonds, emeralds, sapphires and rubies. In recent times,
Precious White Opal
White opal has a light base and can have a strong colour play.
Precious Black Opal
Black opal has a dark background, which can be dark grey, dark blue, dark green or grey-black - the darker the
