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Because of its appearance it is often mistaken for stibnite.
Antimony is made from stibnite by heating it with air.
Another way to make antimony is to heat stibnite with scrap iron.
The antimony mineral stibnite may have been a component of Greek fire.
Gold, copper, stibnite and tungsten are mined in the area.
Other metal oxides in the stibnite ore do not evaporate.
Small deposits of stibnite are common, but large deposits are rare.
The ore is composed of quartz, calcite, stibnite and some pyrite.
Valentinite occurs as a weathering product of stibnite and other antimony minerals.
They call the ore stibnite.
In 1857, sphalerite, barite and stibnite were discovered and mined for several decades.
Pyrite, stibnite, orpiment and realgar are the main minerals forming the ore.
In geology, the mineral stibnite, SbS, is sometimes called antimonite.
It occurs as a secondary alteration product of antimony bearing minerals, mainly stibnite.
It can also form large prismatic crystals similar to stibnite with which it can be associated.
It is made when stibnite is oxidized.
It occurs in association with cervantite, valentinite, kermesite, native antimony and stibnite.
The American Museum of Natural History has a huge crystal of stibnite.
Such substances included zinc, antimony, bismuth, stibnite, pyrite and galena.
Besides stibnite, which was used for eye liner red, antimony is one of the oldest minerals used in cosmetics.
It sometimes occurs free (chemically uncombined) in nature, but is usually found combined with sulfur in the ore stibnite.
(Stibnite is an ore of the element antimony.)
Amounts of realgar, stibnite, cinnabar and pyrite are contained in sediments near active hot springs.
The mixture of stibnite and nails was heated red hot in an open-air furnace, until all is molten and finished.
In 1880, deposits of the antimony ore stibnite were found in Coyote Canyon, and a mining industry began.