Relating to or characteristic of harmotome; having properties of natural cleavage or breaking along regular planes.
From harmotome + -ic suffix. Harmotome comes from Greek harmozein (to fit together) + temnein (to cut). The -ic suffix makes it an adjective describing properties of the mineral.
Harmotomic describes any mineral that breaks in that beautiful, regular way—it's a technical term in mineralogy, but it hints at something satisfying: materials that want to break in certain directions, almost like they're meant to separate. That's why crystals that are harmotomic are so prized by collectors.
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