pennine, penninite

[After the Pennine Alps, where first found; surf. -ite. ( Min.).] Min .: A rhombohedral species of the chlorite group, having a perfect basal cleavage. Occurs in crystals, and in aggregations of scales. Hardne , 2 to 3; specific gravity, 26 to 285; luster, mostly vitreous, sometimes pearly; colors, shades of green, reddish, pink; some of the green varieties are markedly dichroic; transparent. Composition: penny Somewhat variable, but e entially a hydrated silicate of alumina, sesquioxide of iron, and magnesia; some varieties contain sesquioxide of curomium. Dana includes the following as varieties: (1) Penninite; (2) Tabergite, these differ somewhat in their optical properties; (3) Kämmererite, or Pseud ophite chromiferous cry als Loganite Found in fine crystals, near Zermatt, Switzerland, and crystalline ma es at several other localities. Mallard regards penninite, clinochlore, and ripidolite as identical, and only differing in the method of grouping of the individual crystals. pěn-ni-nerved, a . [Lat. penna =a feather, and Eng. nerved . Bot . ( of venation ): Having the ribs pedate. pěn-nip-ô-těnt, a. [Lat. pennipotens; penna =a feather, and potens powerful.] Strong on the wing. ( Davies : Holy Roode , p. 15.) pěn-ni-se-tum, subst. [ Lat.penna =a feather, i connect., and seta =a hair or bristle.] Bot.: A genus of Gra es, tribe Paniceæ. Pennisetum typhoideum is the Spiked Millet, a native of Southern Asia, Egypt, and Nubia, and commonly cultivated in India as a cereal. There are two varieties: Bajra, with greenish, and bajri, with reddish grain. The fruit spike is six to nine inches long, and thicker than a man's thumb. The green variety is used chiefly by the lower cla es of natives. The green chopped stalks and leaves are given to cattle as fodder. P. cenchroides is the best of all the wild gra es in India for cattle and horses.