KNG107c Kingstonite Cabochon Morrisonite Agates from this mine also

Agates from this mine also contain a higher percentage of heat and stress fractures from the mining process and are considered less desirable so the prices tend to be more reasonable

Mahogany Obsidian is a type of black Obsidian with reddish brown coloring from hematite inclusions

Size range is approximately 2 - 3 inches in length

which was used to mark its high grade in the rough

which is due to additional mineral inclusions and geological factors

KNG107c Kingstonite Cabochon Morrisonite Agates from this mine alsoKingstonite, 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. 30mm x 31mm Designer Cabochons: The Gem Shop, Inc. produces