Rockhounding in Maine – What Rocks You Can Find and Where
Author: Celeste
Rocks!
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Rockhounding in Utah – What Rocks You Can Find and Where
Gypsum Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate. It is very widely mined and used in a huge variety of industries from Ancient Egypt to modern day. Gypsum is used in everything from drywall to fertilizer, in removing pollutants from water, and even in baking. Gypsum can also crystallize and be…
Rockhounding in Wisconsin – What Rocks You Can Find and Where
Popular Rocks and Minerals of Wisconsin Galena Streak: Lead-gray Hardness: 2.5 Chemical Formula: PbS Galena is the natural mineral form of Lead Sulfide, the most important ore of lead and silver. Galena is one of the most abundant sulfide minerals, a group which contains other popular minerals such as pyrite and cinnabar. When fresh or…
Rockhounding in Kansas – What Rocks You Can Find and Where
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Rockhounding in Georgia – What Rocks You Can Find and Where
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Rockhounding in West Virginia – What Rocks You Can Find and Where
Upcoming Rockhounding Events in West Virginia Bituminous Coal Hardness: 2 – 2.5 Streak: Black Chemical Formula: C137H97O9NS Bituminous Coal is one of the four recognized varieties of coal. It is the most abundant and it frequently used for heat generation, but it not as efficient as Anthracite Coal which is the highest grade of coal….