Кубическая сингония

В кристаллографии куби́ческая сингони́я — одна из семи сингоний. Элементарная ячейка кристалла кубической сингонии определяется тремя векторами равной длины a, перпендикулярными друг другу. Объём ячейки равен a3.

В кубической сингонии существует три вида решёток Браве: примитивная, объёмно-центрированная и гранецентрированная.

простая объёмно-центрированная гранецентрированная
простая объёмно-центрированная гранецентрированная

В нижеследующей таблице приведены международное обозначение и обозначение по Шёнфлиссу классов симметрии кубической сингонии, а также примеры.

Название Международное По Шёнфлиссу Примеры
Планаксиальный (гексаоктаэдрический) или Oh Флюорит, медь, галит, сильвин, галенит, куприт, магнетит, гранат, шпинель, алмаз
Аксиальный (триоктаэдрический) 432 O
Центральный (дидодекаэдрический) или Th Пирит, кобальтин, сперрилит
Планальный (гексатетраэдрический) Td Сфалерит, блеклые руды (теннантит, тетраэдрит, фрайбергит и др), борацит
Примитивный (тритетраэдрический) 23 T γ-Bi2O3

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