Scientists at the Institute of Minerals and Materials Technology (IMMT) found a new way to improve color, clarity and luster of red ruby — microwaves. Rubies are one of the world's most popular ...
Southern Arizona has numerous sites known for their pyroxene minerals, from Twin Buttes south of Tucson, to Ajo, to the Chiricahua, Santa Rita and Patagonia mountain ranges. Pyroxenes are classified ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results