りんけいせき
鱗珪石
1. tridymite
2. TridymiteTridymite is a high-temperature polymorph of quartz and usually occurs as minute tabular white or colorless pseudo-hexagonal crystals, or scales, in cavities in acidic volcanic rocks. Its chemical formula is SiO2. Tridymite was first described in 1868 and the type location is in Hidalgo, Mexico. The name is from the Greek tridymos for triplet as tridymite commonly occurs as twinned crystal trillings.
Read “Tridymite” on English Wikipedia
Read “鱗珪石” on Japanese Wikipedia
Read “Tridymite” on DBpedia
Read “Tridymite” on English Wikipedia
Read “鱗珪石” on Japanese Wikipedia
Read “Tridymite” on DBpedia
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