- - - Non-opaque arsenic-free beta-spodumene glass ceramic exhibiting brown-grey coloration

摘要

Methods, compositions and products are provided for glass-ceramics of the LAS type with specific heat-processability, optical and color properties to obtain an alternative gray-brown product. The glass-ceramic material may include iron oxide, vanadium oxide, chromium oxide, cobalt oxide, nickel oxide and/or cerium oxide as a colorant.