What is the cubic crystal system in mineralogy ?

Cubic crystal system : definition

The cubic system is a crystal system in which the elementary cell of the crystal lattice is a cube. The three crystallographic axes (a, b and c) are of equal length and the angles they form are all equal to 90 °. This system has 5 crystal classes.

It is the most common system in the mineral kingdom : nearly 26% of minerals have adopted it, including garnets, gold, pyrite, galena, spinels, diamonds, fluorite, etc. .

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