was the key to their success. Why?.
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
Precious Jelly Opal
This is a semiblack or jelly opal.
Faceted Square Cuts
The second group of faceted cuts includes straight-sided girdle shapes: squares, rectangles, octagons, triangles,
Cultured Pearls
Sadly, our love of pearls and desire to follow fashion has greatly reduced the number of natural pearls available in
Size and Shape of Pearls
There are many different shapes and sizes of pearls depending on where the come from or what they are formed in.
Precious Gemstones
The definition of what constitutes a "precious" gemstone is a fluid thing changing with societies tastes, travels and
Hemimorphite
Hemimorphite has an unusual characteristic: a change in temperature or pressure induces an electrical charge in the
