Vermiculite is a hydrous phyllosilicate mineral which undergoes significant expansion when heated. Exfoliation occurs when the mineral is heated sufficiently;...

used as insulation. Some deposits of vermiculite are contaminated with small amounts of asbestos. One vermiculite mine operated by W. R. Grace and Company...

2020 census. Libby suffered from the area's contamination from nearby vermiculite mines contaminated with particularly fragile asbestos, leading to the...

world's largest producer of chrome, manganese, platinum, vanadium and vermiculite. It is the second largest producer of ilmenite, palladium, rutile and...

and vermiculite. Palabora also has processing facilities on site for the production of purified copper from mined copper ore, and a vermiculite recovery...

contrasted effect: highly hydrated magnesium ions are "swellers" as in vermiculite (totally expanded interlayer) while poorly hydrated potassium ions are...

for building materials Shale Pumice Slag Vermiculite - many expanders of perlite are also exfoliating vermiculite and belong to both trade associations As...

paint-on treatments. The bumpy surface is created by tiny particles of vermiculite or polystyrene, which gives the ceiling sound-deadening properties. Mixtures...

following decades. Troy suffered from the area's contamination from nearby vermiculite mines contaminated with particularly fragile asbestos, leading to the...

similar properties and uses to vermiculite but, in general, holds more air and less water and is buoyant. Like perlite, vermiculite is a mineral that has been...

sheet sandwiched between two tetrahedral sheets, and examples are talc, vermiculite, and montmorillonite. The layers in 1:1 clays are uncharged and are bonded...

health. Some lightweight aggregates, such as diatomite, perlite, and vermiculite, may be substituted for ground mica when used as filler. Ground synthetic...

Tosudite Smectites and vermiculite family Beidellite Ferrosaponite Montmorillonite Nontronite Saponite Sauconite Swinefordite Vermiculite Volkonskoite Yakhontovite...

include: Cement Lime Refractories Metakaolin Titanium dioxide Alumina Vermiculite Iron ore pellets They are also used for roasting a wide variety of sulfide...

for a period one to three months. Seeds are placed in a medium such as vermiculite, peat, or sand and refrigerated in a plastic bag or sealed container...

higher density of glass fibers. The core of Type C panels also contains vermiculite which acts as a shrinkage-compensating additive that expands when exposed...

Clays — over 30 Sesquioxides — 0–3 Kaolinite — 3–15 Illite — 25–40 Montmorillonite — 60–100 Vermiculite (similar to illite) — 80–150 Humus — 100–300...

grown directly in a well-aerated substrate, such as perlite mixed with vermiculite, or even sphagnum moss. Additional methods of propagation include whole-plant...

Tosudite Smectites and vermiculite family Beidellite Ferrosaponite Montmorillonite Nontronite Saponite Sauconite Swinefordite Vermiculite Volkonskoite Yakhontovite...

Tosudite Smectites and vermiculite family Beidellite Ferrosaponite Montmorillonite Nontronite Saponite Sauconite Swinefordite Vermiculite Volkonskoite Yakhontovite...

is then planted within a substrate such as a coconut husk fiber and vermiculite mixture. Given proper humidity, temperature, and fresh air exchange,...

plastic trays, then on into larger containers containing peat, pine bark, vermiculite, and/or coir. Plants grow best between 70 and 90 °F (21 and 32 °C). Once...

Tosudite Smectites and vermiculite family Beidellite Ferrosaponite Montmorillonite Nontronite Saponite Sauconite Swinefordite Vermiculite Volkonskoite Yakhontovite...

Air-activated hand warmers contain cellulose, iron powder, activated carbon, vermiculite (which holds water) and salt. They produce heat from the exothermic oxidation...

Mg)2Si4O10(OH)2·nH2O Chlorite – (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6 Vermiculite – (Mg,Fe,Al)3(Al,Si)4O10(OH)2·4H2O Other clay minerals Sepiolite – Mg4Si6O15(OH)2·6H2O...

extraction; the state's resources include gold, coal, silver, talc, and vermiculite. Ecotaxes on resource extraction are numerous. A 1974 state severance...

Tosudite Smectites and vermiculite family Beidellite Ferrosaponite Montmorillonite Nontronite Saponite Sauconite Swinefordite Vermiculite Volkonskoite Yakhontovite...

gardening it is sometimes used as a soil conditioner, because like perlite, vermiculite, and expanded clay, it retains water and nutrients, while draining fast...

used in the cosmetics industry. Brown rice flour can be combined with vermiculite for use as a substrate for the cultivation of mushrooms. Hard cakes of...

mesothelioma. Fibrous tremolite is sometimes found as a contaminant in vermiculite, chrysotile (itself a type of asbestos) and talc. Tremolite is an indicator...