Tugtupite

Tugtupite is a beryllium aluminium tectosilicate. It also contains sodium and chlorine and has the formula Na₄AlBeSi₄O₁₂Cl. Tugtupite is a member of the silica deficient feldspathoid mineral group. It occurs in high alkali intrusive igneous rocks.

Tugtupite is tenebrescent, sharing much of its crystal structure with sodalite, and the two minerals are occasionally found together in the same sample.

单词	Tugtupite
释义	Tugtupite 英语百科 Tugtupite Tugtupite is a beryllium aluminium tectosilicate. It also contains sodium and chlorine and has the formula Na₄AlBeSi₄O₁₂Cl. Tugtupite is a member of the silica deficient feldspathoid mineral group. It occurs in high alkali intrusive igneous rocks. Tugtupite is tenebrescent, sharing much of its crystal structure with sodalite, and the two minerals are occasionally found together in the same sample.
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