was the key to their success. Why?.
Lapis lazuli
Lapis lazuli translates from the Arabic as "heaven (or sky) stone" - it was clearly held in high regard in ancient
Iris Agate/Rainbow Agate
An iridescent variety of agate - when silced into thin sections it exhibits all the colours of the spectrum.
Spinel
Beauty, rarity, brilliance and value for money make spinel a great gemstone for jewellers and designers. Despite its
Coral
Its colour and rarity once gave coral the same status as diamonds, emeralds, sapphires and rubies. In recent times,
Kyanite
Nearly all gemstones have a single hardness value, no matter where it is measured on the crystal.
Nevada Black Opal
The rarest and most valuable opals are bright on black. Black background opals show off the rainbows of fire, or play
Precious Jelly Opal
This is a semiblack or jelly opal.
