was the key to their success. Why?.
Ruby
Ruby is corundum that has a purplish- bluish red to yellow-red colour. The finest colour is pure red with a hint of
Feldspar
Despite being the most common rock-forming minerals at the earth's surface, the stones in the feldspar species give
Coral
Its colour and rarity once gave coral the same status as diamonds, emeralds, sapphires and rubies. In recent times,
Shell
You can saw it, file it, carve it, drill it and engrave it: shell is one of the easiest of materials to work with.
Boulder Opal
Boulder opal is precious opal that has a sandstone or ironstone base.
Prehnite
Prehnite only fully reveals itself as a beautiful gemstone once it has been worked. The rough material hides its
Quartz
Quartz is the biggest gemstone species of all, and one of the most widely used in modern jewelry making. This is an
