Cone 06 oxidation (large photo): Black Adventurine is a matte, mottled black and metallic dark copper glaze.
Cone 6 oxidation (small photo): Color changes to a glossy, metallic black/gray that breaks over texture. Enhanced mobility. Surface issues may occur.
TIP: This glaze WILL move. Take care when using on vertical pieces reduce glaze thickness towards the bottom third to minimize run-off.