Sanidine is a clear, glassy, often cracked variety of orthoclase felspar, which is confined to modern volcanic rocks, such as trachyte, rhyolite and phonolite. It is found in the Rhine, Italy and Hungary.
Related terms:
Sanidine is a clear, glassy, often cracked variety of orthoclase felspar, which is confined to modern volcanic rocks, such as trachyte, rhyolite and phonolite. It is found in the Rhine, Italy and Hungary.
Related terms: