At first glance this specimen is nothing special. Under the scope it has beautiful, bladed crystals of Hemimorphite to 1mm and a layer of nicely crystallized Smithsonite on the backsite.
Hemimorphite
Formula
Zn4Si2O7(OH)2·H2O
Crystal System
Orthorhombic
Crystal Habit
Massive, Stalactitic, Mammillary
Cleavage
Perfect, None, None
Luster
Vitreous (Glassy)
Color
brown, colorless, greenish gray, yellow brown, white
