Firing range 1000 - 1020°C.
Specific gravity 50.
Dark brown aventurine-glaze, which has gold-copper coloured reflecting metalflakes.
Parhaimmillaan punasavella, muilla savilla lasitekerroksen on oltava paksu, jotta aikaan saadaan heijastava, metallinen vaikutelma.
Kovin paksuna kerroksena lasite on valuva.
Non-cracking.
