was the key to their success. Why?.
Coral
Its colour and rarity once gave coral the same status as diamonds, emeralds, sapphires and rubies. In recent times,
Spectrolite
This is the trade name of Finnish labradorite. Its properties are the same, but it tends to have a dark, opaque colour
Iris Agate/Rainbow Agate
An iridescent variety of agate - when silced into thin sections it exhibits all the colours of the spectrum.
Pearls produced by snails
pearls can form in sea snails and are extremely rare
Hiddenite
This is the raw gemstone variety of spodumene. It was discovered e the United States in 1879 by AE Ridden, hence its
Tanzanite and Zoisite
Within this species lies a gemstone of drama and intrigue that is considered, along with the sapphire, to be the finest
Hematite
The metallic silver-grey crystal surfaces of specular hematite are so highly reflective that they were used in the past
