491 results for quartz

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...

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...

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...

Massachusetts, though small, has great rocks and minerals found there. Massachusetts is divided into two geological provinces by the Connecticut River. East of the river, the land falls, with a few...

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...

Did you know there are lots of rocks and minerals that we use in everyday life?  It is estimated that in the United States alone, every person will have used more than 3 million pounds of rocks, miner

Noreena Jasper is a semiprecious stone material that comes from Pilbara region of Western Australia. The area is some 700 miles north of the capital, Perth. Noreena Jasper was named after Noreena...

Unakite is a granite composed of pink orthoclase feldspar, green epidote, and quartz. It exists in various shades of green and pink and is usually mottled in appearance. Unakite is also referred to...

Hawaii’s official state gem is black coral, designated in 1987. Hawaii does not have an official state mineral or state rock. The state of Hawaii is actually 137 volcanic islands that comprise...

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 several hundred yards

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...

North Carolina is a great for rockhounding, because of its many Pay for Dig sites. The eastern half, covering about 45% of North Carolina, is the low-lying coastal plain extending to the fall line,...