Examples of cut & polished pieces shown
Black Tourmaline is known as a good grounding stone and useful for people who are facing large amounts of stress at work or home
but may not be the exact hearts pictured
The triple layer frame perhaps has the most contrast in the whole piece
If you wish to see samples of any of these stones you can visit our gallery and see displayed an example of each type of stone we cut
KNG101c Kingstonite Cabochon Grape Agate Examples of cut & polishedKingstonite, also commonly called Kingston Ore or Kingstone Conglomerate, is a conglomerate rock primarily made up of native copper, reddish rhyolite, and felsite pebbles. It is found near the Kingston Copper Mine in Keweenaw, Michigan. This polished Kingstonite cabochon features a brick red matrix, spots of gray or black felsite, and veins of native copper throughout that flash in the light. 23mm x 46mm Designer Cabochons: The Gem Shop, Inc. produces