Transparent glass ceramic plate that has an opaque, colored...

Transparent glass-ceramic armor

Transparent glass-ceramic articles

Transparent glass-ceramic of light brown color and method of mak

Transparent glass-ceramics based on alpha- and beta-willemite

Transparent glass-ceramics containing gahnite

Transparent glass-ceramics containing mullite

Transparent glass-ceramics of high negative expansion for use as

Transparent lanthanum fluoride glass-ceramics

Transparent lithium zinc magnesium orthosilicate glass-ceramics

Transparent oxyflouride glass-ceramic composition and process of

Transparent, mullite glass-ceramics containing ZnO and method

Ultra low thermal expansion transparent glass ceramics

Use of a magnesia zirconia brick

Variably translucent glass-ceramic article and method for making

Wavelength up-conversion transparent glass ceramics

Wavelength up-conversion transparent glass ceramics and a proces

Whisker composite ceramics for metal extrusion or the like

Zircon-cordierite composite ceramic

ZrO.sub.2 - containing glass-ceramic