USE OF COLOR IN MINERAL IDENTIFICATION

In some minerals color is directly related to a metallic element, is characteristic, and can be useful in identification. As examples,  azurite as shown in Figure 1A, is always blue. . . Read More

Gold III – Lost Gold Mines in the Southwest

Tales of the discovery and loss of rich gold mines such as The Lost Dutchman in the Superstition Mountains of Arizona and the El Naranjal lost gold mine in the. . . Read More

Silver Part II – A Gallery of Silver Jewelry

This gallery of beautiful silver jewelry, coinage, and art works presents works from around the world, and spanning the ages from the 26th Dynasty of Egypt (664-525 BC) to the. . . Read More

Native Silver – Part I

This is the first of two Blogs on native silver. In the first I will introduce the mineral, including a gallery of specimens, and in the following blog, ÔÇťAncient Silver. . . Read More