SG Heritage Dictionary

Sinople [\N] Webster's Dictionary 1828

SIN'OPER, SIN'OPLE, noun [Latin sinopis.] Red ferruginous quartz, of a blood or brownish red color, sometimes with a tinge or yellow. It occurs in small but very perfect crystals, and in masses that resemble some varieties of jasper.

Sinople [Noun] Webster's Dictionary 1913

1. Ferruginous quartz, of a blood-red or brownish red color, sometimes with a tinge of yellow.

2. The tincture vert; green.