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182 SULPHIDES. Very seldom crystallized; usually massive and disseminated. Occurs in beds and veins in the older rocks with tow-anite, redruthite, pyrite, malachite, quartz, chalybite, baryte, calcite, fluor, &c. Is found at Orawitza in the Banat, and Arendal in Norway in beds with garnets, in beds in bituminous marl slate at Saalfeld and Kamsdorf in Thuringia, in Siegen in veins in iron stone, Leogang in Salzburg, Rudelstadt and Kupferberg in Silesia, Hessia, Siberia, Greenland, Sweden, North America, in veins in gneiss at Annaberg and Freiberg in Saxony, Bammelsberg in the Harz, crystallized only in veins near Redruth and St. Day in Cornwall. 69. CUBANE.—Cuban; Ilausmann, Haidinger. Cubic. a 100 cleavage. ad 90° o' Cleavage, a, distinct. Opaque. Lustre metallic. Between brass-yellow and bronze- yellow. Streak black, h = 4 - o. o = 4-020 ...4-042. Easily fusible before the blowpipe. Its reactions in other respects are the same as those of towanite. t III / 4-uhe + 2Fe, copper 23'36, iron 41-27, sulphur 35-38. Analysis by Scheidliauer: — Copper 22-flo Iron 42'51 Lead a trace Sulphur 3478 Is found at Bacaranao in Cuba. 70. TOWANITE.—Copper pyrites ; Phillips. Cuivre py- riteux; Hauy. Pyramidaler Kupfcr-Kies; Mobs. Kupfer- kies; Ilausmann. Chalkopyrit; Haidinger. Pyramidal. 101,001 = 44° 3l'-5. a 100, c 001, m 110, w 310, g 203, e 101, h 802, z 201, d 114, x 113, p ill, n 112, r 332, t 221, v 310, h 511. d, e, p, n, v, k are usually hemihedral with inclined faces. PIG. 179.