was the key to their success. Why?.
Faceted Square Cuts
The second group of faceted cuts includes straight-sided girdle shapes: squares, rectangles, octagons, triangles,
Zircon
It is hard to understand why zircon is not more popular with jewelry makers. Its hardness and fracture are no worse
Faceted Round Cuts
There are two main categories of faceted stones: round shapes and straight-sided shapes.
Scapolite
Scapolite is still relatively unknown to jewelry makers and buyers, despite good design potential. Whether it is used
Appraising Gemstones
When you are first presented with a tray of gemstones it is easy to feel dazzled and slightly overwhelmed, and to
Peridot (also olivin or Chrysolite)
When peridot is good, it is very good, but when it is bad ... There is so much pale and lacklustre material around it
Feldspar
Despite being the most common rock-forming minerals at the earth's surface, the stones in the feldspar species give