AVEN′TURIN, Avant′urin
Cooley's Cyclopedia of Practical Receipts and Collateral Information · 1880 · p. 11
(-ū-rĭn; -vŏ ng -tōō—Knowles and Smart). [Eng. Fr.] A beautiful iridescent variety of rock crystal, minutely spangled throughout with yellow scales of mica ( AVENTURIN, A. QUARTZ ). A variety of felspar ( A. FELSPAR ) of somewhat similar appearance is found in the Continent and the Peninsula, of which the finer kinds are called A. ORIENTALE and PIERRE DE SOLEIL by the lapidaries. Both varieties are now imitated by the gla and porcelain manufacturers. See Gla , Glaze , Paste , .
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