Other minerals mined in Nevada include construction aggregates, copper, gypsum, diatomite and lithium.
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Some lightweight aggregates, such as diatomite, perlite, and vermiculite, may be substituted for ground mica when used as filler.
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Amorphous silica is less toxic than crystalline, but not biologically inert, and diatomite, when heated, can convert to tridymite or cristobalite.
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Diatomaceous earth: a light soil consisting of siliceous diatom remains and often used as a filtering material
Diatomaceous earth also known as diatomite or kieselgur, is a naturally occurring, soft, siliceous sedimentary rock that is easily crumbled into a fine white to off-white powder. It has a particle size ranging from less than 1nmicron to more than 1 millimeter, but typically 10 to 200nmicrons. ...
A siliceous chert-like sediment formed from the hard parts of diatoms.
Diatomite, or diatomaceous earth, is a siliceous sedimaentary rock formed from the accumulations of diatoms or other nanoplankton.
Very light weight sedimentary rock composed of the remains of diatoms, or microscopic single-celled algae, which are very abundant in marine and fresh water.
A light-colored, soft rock composed of the siliceous skeletons of diatoms (water-dwelling organisms)
A light, porous rock consissting of the fossil remains of diatoms, used as an abrasive, insulator, filter, etc. [AHDOS]
A group of single-celled algae with silica walls and forming filaments and colonies (eaten by flamingos)
A light colored, fine-grained siliceous sedimentary rock that forms from a sediment rich in diatom remains.