Rockhounding in Iowa – What Rocks You Can Find and Where

Rockhounding in Iowa – What Rocks You Can Find and Where

Exploring the Rocks of Iowa Iowas landscape varies widely from place to place across the state. A state shape by glaciers, rivers, and seas during its geologic past has lead to a variety of minerals to be found in Iowa. Upcoming Rockhounding Events in Iowa Agate Streak: White Hardness: 7 Chemical Formula: SiO2 Agate is…

Rockhounding in Illinois – What Rocks You Can Find and Where

Rockhounding in Illinois – What Rocks You Can Find and Where

Exploring the Rocks of Illinois Even though Illinois does not have any mountain ranges or deep canyons, the geology of the state has many complexities. Known as the Prairie State, at first glance it seems an unlikely place to collect rock and mineral specimens. The rich prairies across Illinois are themselves derived from ancient rocks,…

Rockhounding in New York – What Rocks You Can Find and Where

Rockhounding in New York – What Rocks You Can Find and Where

Geology of New York Upcoming Rockhounding Events in New York Herkimer Diamonds Found in Herkimer County, New York, Herkimer Diamonds are double-terminated quartz crystals. These crystals possess double termination points and 18 total faces. These crystals were discovered in the late 18th century while mining for dolomite. While double pointed quartz can be found in…

Abandoned gold mine in wyoming

Rockhounding in Wyoming – What Rocks You Can Find and Where

Geology of Wyoming Wyoming contains a full spectrum of geological variety, from fossils to minerals, mines to oil fields, and even glacial features. With such an abundance of geological variation, it’s no wonder that Wyoming attracts geologists from all over the world. Throughout the millennia, Wyoming has developed thick marine and terrestrial sediments leading to…

Rockhounding in Wisconsin – What Rocks You Can Find and Where

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…

sample of fluorite

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….

Rockhounding in Utah – What Rocks You Can Find and Where

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…