*** Official ***
Mojave River Valley Museum
Glossary of Terms & Definitions
A brass-yellow mineral with a bright metallic lustre that usually occurs in veins of all classes of
rocks; often associated with gold mining and referred to as fool's gold.
Iron sulfide - Eagle Mountain Mine, Riverside Co, CA.
Rosalie Mining Camp
The assay house and pyrite from the dumps were removed by the EPA in late 1990s because of arsenic (arsenopyrite) with the pyrite. We are looking at the ...
Metallic ores of iron (pyrite), lead (galena), zinc (sphalerite), and copper ( chalcopyrite) were deposited in veins by hot water. When these veins were oxidized by ...
Metamorphic Rocks and Minerals
... aluminum (Al), manganese (Mn), iron (Fe), and silicon (SiO2). Metals such as iron and titanium bond with oxygen to form magnetite, pyrite, and rutile. Benotite ...
Grapevine/Northern Funeral Mountains
GF3. Rhyolite. The gold in these hills occurs in fissures and veins associated with calcite, quartz and pyrite in rhyolite tuff related to .
The gold in these hills occurs in fissures and veins associated with calcite, quartz and pyrite in rhyolite tuff related to steep normal faults (Cornwall, 1972).
Rosalie - Clark Mountain - Mojave Desert Mining History
Sulphur, in the form of iron pyrite for the smelter charge, was obtained from Jerome, Arizona, and from the Francis copper mine (another enterprise of Dr. L. D. ...