was the key to their success. Why?.
Zircon
It is hard to understand why zircon is not more popular with jewelry makers. Its hardness and fracture are no worse
Garnet
Garnet is a far more exciting and versatile stone than people may think. Although the word garnet usually conjures up
Nevada Black Opal
The rarest and most valuable opals are bright on black. Black background opals show off the rainbows of fire, or play
Tanzanite and Zoisite
Within this species lies a gemstone of drama and intrigue that is considered, along with the sapphire, to be the finest
Sillimanite
For some time, this tough, durable gemstone has been either considered a collector's stone or used industrially (in the
Sphene
Sphene is highly regarded as a gemstone by collectors, but scarcity has kept it out of the commercial market until now.
Pearls
Created naturally by a living creature over many years, every pearl is unique in its colour, lustre, size and shape.