31 results for tourmaline

Gemstones and crystals have been used for centuries to promote healing and well-being for humans. But did you know that crystals can also be very useful for pets too? Belief in the supernatural heali ...

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&rsquo ...

Quartz can have several phenomena including phantom crystals, rainbows or asterism (star effect). In Part 1 of my All About Macrocrystalline Quartz series we discussed the basics of Macrocrystalline ...

Maine is an excellent state for rock and mineral collecting! The northern part of Maine is hilly and often swampy, the southern part is rolling uplands broken by hills, isolated mountains and valley ...

Connecticut is small and the variety of rocks found there is small. But Connecticut still offers great rockhounding. A central lowland valley divides eastern and western Connecticut. This valley is ...

Though Alabama isn’t really known for its rocks, it actually is rich in pretty rocks!  About 190 different minerals have been found in Alabama. The southern half of Alabama is a coastal ...

Washington's Petrified Woods are some of the finest in the nation. The Petrified Woods not only represent a broad range of colors and patterns, but also represent a wide range of identifiable spec ...

Finding rocks and minerals in Maryland can be challenging. A lot of the good hunting areas, where rocks and minerals may be found, are heavily vegetated. The easternmost part of the state of Maryla ...

Most of the good rock and mineral areas lie in the more mountainous northwestern part of South Carolina. South Carolina is located on the southern Eastern Seaboard of the United States, bordering th ...

Rockhounds collected California's rock and minerals before the gold rush. California's geological forces have created one of the widest varieties of rocks and minerals found in any state. In fact ...

New Hampshire has a large variety of rocks and minerals. This is due mostly to the pegmatites that comprise a large portion of New Hampshire's surface. The igneous and metamorphic rocks were worn d ...

Brazil is of huge importance in the world of rocks and minerals. In fact, Brazil is the world’s fifth largest mineral producer. Brazil is the world's largest producer (22% of world productio ...