"300386526" . . "glass, opaque red"@en . "opaque glass, red"@en . "2013-06-20T10:22:46"^^ . "opaque red glass"@en . "red opaque glass"@en . "2014-02-28T17:15:09"^^ . . "An opaque glass whose red color is generally caused by cuprous oxide crystals."@en . . .