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Crystal systems

Pick a value to see matching minerals.

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512

Cubic

Highest symmetry; three equal axes at 90°.
39

Trigonal

One 3-fold axis.
18

Amorphous

No long-range crystal structure.
1050

Hexagonal

One 6-fold axis.
629

Triclinic

No axes at 90°; lowest symmetry.
1952

Monoclinic

One oblique angle between axes.
385

Tetragonal

One 4-fold axis; two equal horizontal axes.
1113

Orthorhombic

Three unequal axes, all at 90°.