Tourmalines are precious stones displaying a unique splendou...
With its bright, almost luminescent green coloring Prehnite ...
Kunzite and Hiddenite are both varieties of the mineral Spod...
Amethyst is the purple variety of quartz and is one of the m...
Sugilite, a fairly recent discovery (1944) is found in Japan...
Pyrite is a protective, shielding stone and is excellent to ...