14871078-n
(1)
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a hard kind of stone; a form of silica more opaque than chalcedony |
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15041190-n
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燧石, 耐热性石英玻璃, 石英, 矽石, 硅石, 耐热性 石英 玻璃 |
silex |
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a pure form of finely ground silica |
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14871268-n
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pebbles of flint used in masonry construction |
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09280236-n
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耐火岩石, 耐火黏土, 耐火 黏土, 燧石, 耐火 岩石, 耐火石 |
firestone |
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a sandstone that withstands intense heat; used to line fireplaces and furnaces and kilns |
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14870821-n
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a piece of flint that is struck to light a fire |
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14870525-n
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variety of silica containing microcrystalline quartz |
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02693701-a
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含 黑 砂石, 燧石, 含黑砂石, 含黑砂石+的, 含角岩+的, 含 角岩, 含角岩, 燧石+的 |
cherty |
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resembling or containing chert |
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