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ANATASE. 229 117. ANATASE.— Anatase; Phillips. Titane anatase ; Ilauy. Pyramidales Titan-Erz ; Mohs. Anatas; Hausmann, Haidinger. Pyramidal. 101,001 = 60° 38'. e ooi, e 101, q 201, w 105, m no, p m, 2 113, r 115, v 117, s 5 119. FIG. 243. we ec qc VO rc ec pc me sc pp' pe uu' ee qq' pq ru rr vv' zz ss' 19 34 60 38 74 14 19 45 20 41 30 38 68 18 90 0 25 30 82 9 41 4 27 24 03 17 37 1"• S" FIG. 244. FIG. 245. 48 54 31 2 39 14 41 Form and combinations, p, cp, rp, vp, sp, rpq, cvsp, cep, f ce Pq, _ cvep, cvpe, crspq, cvpeq. Surface very smooth and th ■ ^ ace8 m> all( ^ sometimes p, striated parallel to heir intersections with each other. Cleavage, c, p both very perfect. Fracture conchoidal. Semi-transparent...translucent. Eustre adamantine, inclining to metallic. Por the brightest Pjmt of the solar spectrum fi = 2-664, ft = 2'493. Indigo- , ue...black, hyacinth-red, honey-yeUow...brown, seldom colour- oss. Streak white. Brittle. 11 = 6-6...6-0. G = 3’83...3-93. Ey long continued ignition the specific gravity increases till it becomes equal to that of rutile. t f hosphoresees suddenly when heated before the blowpipe, nfusible. With borax melts into a glass which becomes
