capnĭas — Lewis & Short
capnĭas, ae, m., = kapni/as, smoky.
I (Sc. oi)=nos.) A kind of wine, Plin. 14, 3, 4, § 39.—
II A precious stone of a smoky hue, of several varieties.
A A kind of jasper, Plin. 37, 9, 37, § 118 (called, id. 37, 10, 56, § 151, capnitis = kapni/ths).—
B A kind of chrysolite; prob. our smoky topaz, Plin. 37, 9, 44, § 128.