A zinc silicate mineral (Zn₄Si₂O₇(OH)₂·H₂O) that characteristically exhibits hemimorphic crystal structure, with different forms at opposite ends.
From 'hemimorphic' plus the mineral suffix '-ite.' Named for its distinctive crystal asymmetry, this mineral was formally classified in the early 19th century when mineralogists realized its unusual properties.
Hemimorphite was one of the first minerals recognized as hemimorphic, and studying it taught scientists that a mineral's crystal shape directly determines its electrical behavior—a discovery that eventually led to modern computers and smartphones.
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