Hemimorphite
ID: 113
Hemimorphite
Chemical Formula
Zn4Si2O7(OH)2⋅H2O
Hardness (Mohs)
4.5-5
Crystal System
Orthorhombic
Streak
White
Luster
Vitreous, silky
Diaphaneity
Transparent to translucent
Color
White, colorless, pale blue, pale green, brown, yellow
Crystal Habit / Mode of Occurrence
Tabular to prismatic crystals, often in divergent groups or coxcomb aggregates; botryoidal, stalactitic, granular
Fun Facts
Hemimorphite exhibits pyroelectricity and piezoelectricity, meaning it can generate an electric charge when heated or stressed.