369 results for agate

Ocean Jasper is from a silicified rhyolite ash flow off the northwest coast of Madagascar. The area is near the village of Marovato.  It was discovered around 2000 and was vary plentiful at...

    In order to manage what could become a huge type of gemstone list-I've tried to sort my rock and mineral informati

Jasper is a member of the chalcedony family. Chalcedony (kal SED' nee) is any form of microcrystalline quartz, where the crystals are too small to be seen without high magnification. However, in the...

  Michigan has 1,853 records of mining mines according to the U.S.G.S. Lower Mic

Mississippi does not have many rock and mineral resources. Much of Mississippi is built of sand, gravel, and mud brought down by the Mississippi River and which has filled a great bay in the Gulf...

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

Petrified Wood is found all over the world. Countries with well-known petrified wood deposits include: Argentina, Australia, Belgium, Brazil, Canada, China, The Czech Republic, Germany, Ecuador, Egypt

North Dakota has lots of oil, gas, sand, coal and other natural resources. North Dakota is in the U.S. region known as the Great Plains. Eastern North Dakota lies in the level bed of the ancient...

Indiana is mostly sedimentary rock brought by ancient seas and glaciers. This is great for fossils, but not great for rocks and minerals. During the past 2 million years, two major glacial advances...

What is the difference between precious stones and semiprecious stones? The dictionary describes semi-precious stones as being less valuable than precious stones. But, of course, that isn’t always ac

West Virginia is, of course, famous for its coal, but not for its rocks and minerals. The western two-thirds of West Virginia is a rough area of hills and valleys cut in sedimentary rocks and...