the hardest precious stone is the diamond
Diamond is the hardest precious stone
Diamond is the hardest mineral known.
diamond because it is beautiful and the hardest type of rock
A precious stone consisting of a clear and typically colorless crystalline form of pure carbon, the hardest naturally occurring substance.A tool with a small stone of such a kind for cutting glass.
Diamonds is not a stone it's crystal actually. But the hardest stone is granite stone.
No. Sapphire is a precious stone.
The name of a precious stone worker is a stone mason.
Yes, an emerald is considered a precious stone.
Because it is not an extremely rare gem stone.
its not true... some semi-precious stone are more expensive than precious and even diamonds.
The word is jewel. It is defined as a precious stone.
An emerald is a precious stone.