David K. Joyce

Willemite, Mimetite

3.2x3.42.1 cm
Tsumeb Mine

Willemite, MimetiteWillemite, MimetiteWillemite, Mimetite

Item number: 27671

This is an oddball! This mound of coplourless, botryoidal willemite crystals is speckled with slightly corroded, yellow mimetite crystals. The willemite is the hing though and each botryoid is composed of rounded, hexagonal crystals of the zinc mineral. Fluoresces a light green colour. Unusual!