188 results for calcite

Limb cast are some of the most beautiful “Petrified Wood” around.  But what is a limb cast? Limb cast begin the same way that Petrified Wood does, trees are buried quickly under seve ...

Below I will discuss what Petrified Wood actually is and how it is formed. Recently we bought a very large collection of Petrified Wood mostly self-collected in the Southwest United States from the 1 ...

Belief in the spiritual healing properties of rocks and crystals goes back beyond recorded history. You can read more about the actual use of rocks in minerals in ancient times for medicinal purposes ...

Not all of New York is equally endowed with gem grade rocks and minerals. But mining occurs in every county in New York State except Bronx, Kings, New York, Queens and Richmond. More than half of N ...

  Michigan has 1,853 records of mining mines according to the U.S.G.S. Lower Michigan is quite level and not much elevated above the Great Lakes, and is underlain by sedimentary deposits of li ...

Wisconsin is one of the best states in the U.S. for finding a rocks, crystals and minerals. Wisconsin is a rolling plain laid down on sedimentary rocks and broken in places by uplifted igneous and m ...

Sedimentary rocks containing coal, salt, and fossils are under Kansas. The surface is sand and gravel from the erosion of the Rocky Mountains and carried eastward by water. These deposits created th ...

Arkansas is a great state for rockhounding because of its abundance of quartz crystals. In fact, quartz was named the Arkansas state mineral in 1967. Southern and eastern Arkansas is sandy river de ...

Tennessee has more mineral resources than any other state east of the Mississippi, except North Carolina. Limestone and dolomite, bituminous coal, lead, zinc, ball clay, sand and gravel, phosphate, ...

  Arizona is rich in rock and minerals. But even better-it is the home to the world's largest Gem and Mineral Show! Every year for 2-3 weeks, around the first of February, rock and mineral dea ...

Nevada is a great place for collecting rocks and minerals.  Nevada is the seventh largest state in the union. Yet it's population density is very low. So much of the state is still open and u ...

What do the words used to describe rocks and mineral mean? Everybody loves the beauty of natural rocks and minerals. However, not everybody knows the meaning of all the words or terms used in the ro ...