Search Results for: Non optical glass
bands are straight, parallel and also consistent in size. jasper - opaque chalcedony, impure. aventurine - translucent chalcedony with a smaller inclusions (generally mica ), which shimmer. tiger's eye - fibrous quartz, exhibiting chatoyancy. rock crystal - clear, colorless. ruby quartz - crimson glass-like
greenish yellow. rose quartz - pink, translucent, might display diasterism. milk quartz or snow quartz - white, translucent to opaque, may display diasterism. smoky quartz - brown, transparent. morion - dark-brown, opaque. carnelian - reddish orange chalcedony, translucent uses of quartz silica for glass...
https://www.cargohandbook.com/Quartz