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HAHGAJTITE. 275 Analyses of fibrous varieties g (lepidokrokite) from Oberstein o = 41, by v. Kobell, h from the Iluth mine near Hamm by Schnabel; of compact varieties, i from the Huth mine by Kars- ten, k from Saxony, I from Maryland, both by v. Kobell, m from Chile (chileite) by Plattner:— g Ti i k I m Red oxide of iron . . 90-63 83'51 8673 86'34 86'32 83-5 Oxide of manganese . — 472 075 ox. copper V9 AVater ..... 9 47 11-36 11'42 11'66 10-80 10-3 Silica trace o - 42 170 2 - oo 2'88 4-3 In small attached acicular and tabular crystals, in capillary crystals enclosed in quartz, in reniform and botryoidal masses having a columnar or fibrous structure with a rough or velvet- liko surface, in columnar and granular masses, pseudomorphous after pyrite. Occurs in veins and cavities with quartz and limnite. Is found in crystals at Clifton near Bristol in geodes of quartz, Restormel mine near Lostwithiel and Botallack in Cornwall, at Oberstein in acicular crystals enclosed in crystals of quartz, Lnndsberg in Rhenish Bavaria, Siebenhitz near Hof in Bavaria, Horhausen in Nassau, near Hirsehberg in Yoigtland, Schnee- berg, Nieder Planitz and Geier in Saxony, Finkelhubel near Glatz in Silesia; in the Drkolnow mine, Reichenberg, and AVoina near Przibram in Bohemia, Nadabula near Rosenau in Hungary; enclosed in quartz in the AVolkostrow and Kischj islands in the lake Onega, and pseudomorphous after pyrite at Lewaschowka in the government of Orenburg in Russia, Mount Sinai, Antonio Pereira in the Brazils. 149. MANGANITE.—Grey oxide of manganese; Phillips. Prismatoidisches Mangan-Erz ; Mohs. Manganit; Haidinger. 011,010 = 57° 7'-6; 101,001=28° 35'; 110,100=49° 50'. 001, u oil, w 021, e ioi, y sio, 110, i 340, d 120, h 140, P 111, Acerdese ; Beudant. Graubraunstcin; Hausmann. Prismatic. a 100, I 010, c t 520, I 210, k 320, m n 211, 8 122, g 133, V 221, hedral with inclined faces. be 90° o' ta ca 90 0 la VII 65 41 ka ww 104 28 ma ee' 67 10 ia ya 21 33 da x 636. The form x is hemi- 26° 2l' ha OD o 6' 30 38 IV 118 48 38 18 kk' 103 24 49 60 mm 80 20 57 40 dd' 45 46 67 7 na 47 32 N (5