137 results for mineral specimen

Learn about the hundreds of natural minerals and crystals! What is a mineral specimen? I think the best-kept secret in the rockshop world is mineral specimens. The average person has probably never...

The annual Denver Gem Show is always held around the second week of September.   HISTORY OF THE DENVER GEM, ROCK, MINERAL AND FOSSIL SHOW In the 1950s, six different Denver area gem and mineral clubs

In Ohio fossils are abundant, but gem grade rocks and minerals are rare. The exception is beautiful and colorful Ohio Flint. Flint, a type of chalcedony, is found in Flint Ridge. Flint Ridge is a...

Peru is one of the leading producers of copper, gold, lead and silver. Today, Peru is the largest gold producer in Latin America, and

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...

For many rock collectors it is not about beauty, or rarity, or location.  Fluorescence is about how that rock or mineral looks under a UV light.  Some ordinary and often ugly rocks actually glow (or a

Kentucky may not have lots of rocks and minerals, but it has lots of fossils. Long ago Kentucky was covered in shallow tropical seas, so brachiopod, coral, sponge, crinoid, trilobite, and nautiloid...

Florida is not really known for good cutting or lapidary material. But Florida does have some cool rocks and minerals. Primarily Florida is covered with sedimentary rocks: limestone or calcite and...

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...

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...