- crystalline silica
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• кварц• кристаллический кремнезем
English-Russian dictionary of geology. 2011.
crystalline silica
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Silica gel — Identifiers CAS number 63231 67 4 … Wikipedia
Silica — The chief component of sand and a substance responsible for lung disease and cancer. Crystalline silica of respirable size is primarily quartz dust occurring in industrial and occupational settings in the form of fine, breathable particles.… … Medical dictionary
Silica-alumina — is also known as alumino silicate(s). It is an oxide like combination of aluminium, silicon and oxygen, and it has a major component of kaolin and clays.When amorphous silica alumina is treated with strong acids such as hydrochloric and… … Wikipedia
silica mineral — Any of the forms of silicon dioxide (SiO2), including quartz, tridymite, cristobalite, coesite, stishovite, melanophlogite, lechatelierite, and chalcedony. Various kinds of silica minerals have been produced synthetically. * * * Introduction… … Universalium
silica — /sil i keuh/, n. the dioxide form of silicon, SiO2, occurring esp. as quartz sand, flint, and agate: used usually in the form of its prepared white powder chiefly in the manufacture of glass, water glass, ceramics, and abrasives. Also called… … Universalium
silica glass — noun Any of various types of glass containing primarily silica in amorphous (non crystalline) form. Syn: fused quartz, fused silica … Wiktionary
silica — noun Etymology: New Latin, from Latin silic , silex hard stone, flint Date: circa 1801 silicon dioxide SiO2 occurring in crystalline, amorphous, and impure forms (as in quartz, opal, and sand respectively) … New Collegiate Dictionary
silica — sil·i·ca || sɪlɪkÉ™ n. silicon dioxide, crystalline compound commonly found in sand and quartz (used to produce glass, cement, ceramic, and other products) … English contemporary dictionary
amorphous silica — Silica with no definite crystalline structure [16] … Lexicon of Cave and Karst Terminology
Mesoporous silica — SEM image of mesoporous silica General information Name: Mesoporous silica Appearance: fine white powder Types: MCM 41, SBA 15, MSU , KSW , FSM , HMM … Wikipedia
Some physical properties of silica minerals — ▪ Table Some physical properties of silica minerals phase symmetry specific gravity hardness ● quartz ● (alpha quartz) ● hexagonal; ● trigonal ● trapezohedral 2.651 7 ● high quartz ● (beta quartz) ● hexagonal; ● hexagonal ●… … Universalium
