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Montana miner to lay off hundreds due to declining palladium prices September 12, 2024 at 6:51 PM FILE - The Stillwater Mining Company, the only platinum and palladium mine in the United States ...
The owner of two precious metals mines in south-central Montana is stopping work on an expansion project and laying off about 100 workers because the price of palladium fell sharply in the past ...
"Yogo sapphire" is the preferred term for gems found in the Yogo Gulch, whereas "Montana sapphire" generally refers to gems found in other Montana locations. [18] More gem-quality sapphires are produced in Montana than anywhere else in North America. [18] Montana sapphires come in a variety of colors, though rubies are rare. [16] [18] [23]
Montana Agate (1969) Nebraska [45] Prairie agate (1967) Blue chalcedony (1967) Nevada [46] [47] Metal: Silver (1977); Nevada's nickname is the Silver State: Sandstone (1987) Precious Gemstone: Virgin Valley black fire opal (1987) Semiprecious Gemstone: Nevada turquoise (1987) New Hampshire [48] Beryl (1985) Granite (1985); New Hampshire's ...
The sapphires, called Yogo sapphires as they are mined near Yogo Creek, occur in a formation three miles (4.8 km) long and eight feet (2.4 m) across. [ 1 ] The mountains are named for a butte in the range, Belt Butte, itself named for a band of white rock which encircles it.
The South African mining company Sibanye Gold Limited proposed in December 2016 to acquire Stillwater for $2.2 billion ($18/share, a 61-percent premium over its average share price during the previous 52 weeks). The merger was approved by the Committee on Foreign Investments in April 2017 and was completed in May.
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