Search results
Results from the WOW.Com Content Network
Mineral collectors find a variety of reasons to collect minerals. Many minerals are strikingly beautiful and collected for their aesthetic value. Others collect to learn more about mineralogy, the local mining industry and/or local geology. Some simply enjoy exploring the outdoors and socializing and trading with other mineral collectors.
All of the collecting areas have the same basic assemblage minerals, predominately consisting of smoky quartz crystals and amazonite, with topaz, phenakite and other rarer minerals in certain areas. Although most collecting areas have this same basic assortment of minerals, each area is distinctive and tends to feature certain minerals over others.
This list of mines in the United States is subsidiary to the list of mines article and lists working, defunct and future mines in the country and is organised by the primary mineral output. For practical purposes stone, marble and other quarries may be included in this list.
In 2008, Chevron sold the mine to privately-held Molycorp Minerals LLC, a company formed to revive the Mountain Pass mine. Molycorp announced plans to spend $500 million to reopen and expand the mine, and on July 29, 2010, it raised about $400 million through an initial public offering , selling 28,125,000 shares at $14 under the ticker symbol ...
Check Out: 3 Coins From the 1950s That Are Worth a Lot of Money Read Next: 5 Low-Risk Ways To Grow Your Wealth in 2025 The most valuable coins fetch nearly $8 million on the collectibles market.
In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [ 80 ] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...
Johann Wolfgang von Goethe (1748–1832) was a German author who was a skilled amateur scientist with a great interest in minerals. The iron mineral goethite is named after him. [1] James Smithson (1765–1829) is well known as the benefactor of the Smithsonian Institution in Washington D.C. The Smithsonian now houses the finest collection of ...
The district is known for producing multiple types of commercial materials. It holds the Earth's largest concentration of pure quartz. Ground micas are collected from the mining of other minerals in the district. Sheet mica also exists, but it is not mined. [1] Feldspars are another major mineral that is mined here. [1]