a variety of silica
Crossword Clue

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AnswerCrossword Clue
cristobalitea variety of silica
cristobalitesCRISTOBALITE, a variety of silica
OPALVariety of silica.
SINTERDeposit of silica from a geyser.
OPALIt's a form of hydrated silica
silexa form of silicon, also SILICA
silicasSILICA, a form of silicon, also SILEX
silexesSILEX, a form of silicon, also SILICA
coesitea type of silica (a form of silicon, also SILEX)
siliceousconsisting in a noteworthy part of silica, typically quartz also SILICIOUS
siliciousconsisting in a noteworthy part of silica, typically quartz also SILICEOUS
coesitesCOESITE, a type of silica (a form of silicon, also SILEX)
silicificationa process whereby silica replaces the original material of a substance, eg wood
silicificationsSILICIFICATION, a process whereby silica replaces the original material of a substance, eg wood
borosilicateA low-melting-point glass made from a mixture of silica and boric oxide (B2O3)
borosilicatesA low-melting-point glass made from a mixture of silica and boric oxide (B2O3)
spiculesEach of the small needlelike or sharp-pointed structures of calcite or silica that make up the skeleton of a sponge
ultrabasicRelating to or denoting igneous rocks having a silica content less than 45 percent by weight, most of which are also ultramafic
cherta rock resembling flint and consisting essentially of a large amount of fibrous chalcedony with smaller amounts of cryptocrystalline quartz and amorphous silica
radiolarianA single-celled aquatic animal that has a spherical, amebalike body with a spiny skeleton of silica. Their skeletons can accumulate as a slimy deposit on the seabed
radiolariansA single-celled aquatic animal that has a spherical, amebalike body with a spiny skeleton of silica. Their skeletons can accumulate as a slimy deposit on the seabed