Bi-terminated Quartz Crystal Point Size:1-2" Mining began in 1845 and

Mining began in 1845 and continued until 1968 and over 5 million tons of refined copper were recovered from Michigan's copper mines

but each Agate is unique in its own habit

the Common Tiger may occasionally be mistaken for the Black Veined Tiger

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Bi-terminated Quartz Crystal Point Size:1-2" Mining began in 1845 andQuartz is the second most abundant mineral in Earth's continental crust, after feldspar. Quartz is an igneous rock composed of oxygen and silicon atoms that crystallizes around magma or hydrothermal vents. It is the most abundant mineral on planet earth and can be found in the form of points, masses, grains, prisms, and even threaded. Quartz was first recorded in 300 B. C. by Theophrastus and was given the name kristallos. The origin comes from the