QUARTZ CHALCOPYRITE CLUSTER
A stunning Quartz Chalcopyrite Cluster specimen. Featuring white to clear terminated Quartz crystals with Chalcopyrite crystals wedged between them to great effect. The back and base have cut faces so it is easy to display in either vertical or horizontal positions. A great specimen from a very collectable location. Comes with a perspex base for easy display.
15.4cm x 6.6cm x 18.5cm, 1610g.
Borieva Mine, South Petrovitsa section, Madan, Bulgaria.
Quartz is the most common mineral found on the surface of the Earth. A significant component of many igneous, metamorphic and sedimentary rocks, this natural form of silicon dioxide is found in an impressive range of varieties and colours. There are many names for different varieties: Cryptocrystalline varieties of quartz are listed separately under chalcedony and include agate.
A major ore of copper. Common in sulfide veins and disseminated in igneous rocks.
Weathering may lead to the formation of malachite, azurite, brochantite, langite and numerous other secondary copper minerals.