Silex
Silex ( /ˈsaɪlɛks/) is any of various forms of ground stone. In modern contexts the word refers to a finely ground, nearly pure form of silica or silicate.
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Silex ( /ˈsaɪlɛks/) is any of various forms of ground stone. In modern contexts the word refers to a finely ground, nearly pure form of silica or silicate.
Read more about Silex.