David K. Joyce

Neotocite, Pyrolusite

7.8x5.0x5.3 cm
Taylor Mine
Michigan, USA

Neotocite, PyrolusiteNeotocite, Pyrolusite

Item number: 27808

This specimen shows a band of dark quartz passing through iron-manganese oxides. The oxides on either side of the quartz have been partially altered to neotocite. Interestingly, the neotocite on one side has pyrolusite crystals cutting through it. Interesting!