rock crystal

Noun

 * 1) clear, colourless form of the silica-based mineral quartz, often called "pure quartz" or "clear quartz".

Translations

 * Bulgarian: планински кристал
 * Danish: bjergkrystal
 * Finnish:
 * French:
 * German:
 * Greek:
 * Ancient: κρύσταλλος
 * Greenlandic: aligoq
 * Italian: cristallo di rocca
 * Mongolian: уулын болор
 * Ottoman Turkish: صرچه
 * Polish: kryształ górski
 * Romanian:
 * Russian:
 * Spanish: cristal de roca
 * Swedish:
 * Yakut: хайа курустаала