KNG101c Kingstonite Cabochon Mooka Jasper Large Black Tourmaline crystal

Large Black Tourmaline crystal

yellow-orange

Aventurines

Sonora Dendritic Slabs feature maroon dendrites on a blue and tan landscape

KNG101c Kingstonite Cabochon Mooka Jasper Large Black Tourmaline crystalKingstonite, 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