was the key to their success. Why?.
Opal Matrix
ome opals have a banded growth of precious opal with matrix rock, and there can also be inclusions of matrix within the
Buying Gemstones
Recent advances in gem treatments and synthetic stones have made buying gemstones much more of a challenge. As a
Faceted Square Cuts
The second group of faceted cuts includes straight-sided girdle shapes: squares, rectangles, octagons, triangles,
Precious Black Opal
Black opal has a dark background, which can be dark grey, dark blue, dark green or grey-black - the darker the
Tanzanite and Zoisite
Within this species lies a gemstone of drama and intrigue that is considered, along with the sapphire, to be the finest
Orthoclase Feldspar
Orthoclase is a moderately cheap transparent stone that is colourless or pale yellow and can have a bluish white
Lapis lazuli
Lapis lazuli translates from the Arabic as "heaven (or sky) stone" - it was clearly held in high regard in ancient