Skip to product information

KNG104c Kingstonite Cabochon


Kingstonite, 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.

28mm x 37mm

Designer Cabochons: The Gem Shop, Inc. produces free form designer cabochons for the custom metal smith, hobbyist, and collector. All of the cabs shown are cut and polished by hand in our lapidary shop in Cedarburg, Wisconsin. The Gem Shop, Inc. specializes in fine agates and fine jaspers including Laguna Agate, Agua Nueva Agate, Black Druzy, Natural Druzy, Lace Agate, Willow Creek Jasper, Imperial Jasper, Morrison Ranch Jasper, and Ocean Jasper®. All of our cabs are one-of-a-kind. These cabs have a slightly beveled edge, buff (slightly curved) top, and flat unpolished back, unless otherwise noted. All have the Gem Shop mirror-like polish! 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.