epistilbite

[ Ger.epistilbit; Gr.epi =upon, and Eng., ., stilbite (q. v.).] Min.: An orthorhombic white or reddish transparent or translucent mineral, with vitreous luster, except on the cleavage faces, where it is pearly. Hardne , 4 to 45; Specific gravity, 2'49 to 2.36. Composition: Silica, 58-3 to 60; alumina, 15.3 to 18.2; lime, 6.9 to 8.2; soda, 10 to 2.5; water, 12.5 to 15.4. It has double refraction. It is found with scolecite in the Faroe Islands, in Iceland, at Poonah in India, ., and with stilbite at Bergen Hill in New Jersey. ě-pis-tle (tle as el), *e-pis-tell, *e-pis-til, s . [O. Fr. epistle , epistole , from Lat. epistola , from Gr. epistole a me age, a letter; epistello to send to: