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380 SILICATE 8. p,S rf\£ £‘ rt 0f the Ca re r'““ d ^ Ms. Fe, »»1 „_4 na ^ vses a b y Fuchs, I by y. KVihpll n W j „ i,,, Silica .... Alumina . Red oxide of iron Protoxide of iron Lime .... Magnesia . . Soda .... Water erg a b c d 29'64 31-0 31-60 30-47 24-80 21-4 19-80 17-79 | 6-56 — 5-97 7-30 4'4 — — 35'30 37-4 38-11 36-97 — 3'4 2'20 2-99 — — 0-33 3'30 2-0 1-63 3-62 29’52 19-00 7-25 36-55 1-41 Mn 6-55 / 29'78 22-02 3'22 1-73 37-90 3’88 0-19 1-2 In a the whole of the iron was determined as black oxide if ; £ t^r«* — » * -d neS vr- m w y8t l S i mbe , dded in calcite on Mount Monzoni comno S itl!\ S )! f Crystals having the same form and RonCace. n by Dr ‘ ^ in the sla S 8 of an vilfite 7 ’ S ^^ EVI ^ LIT / E -—Meldite, Humboldtilite, Somer- Melilitb m i PS ' w u i°] r lte 5 Beudallt - Humboldtilith Melihth; Mohs. Humboldtilit; Hausmann, Ilaidinger. Pyramidal. 101,001 = 32 0 51'. c 001, a 100, e 101, m no, h 210. FIG. 395. ec 32° 51' ac 90 0 ha 26 34 ma 45 0 aa 90 0 mm! eo 0 Combinations, ca, cma, cah, cea, cmah, cemah. Cleavage. ?> tr l a ° ea - No cleavage has been observed in the t™™ ^ I melihte. Fracture conchoidal... uneven. Semi- fraotifr are - n -'.-°P a( l ue ' Lustre vitreous, on the surfaces ot sS;£ m “f to resinous. White, green, yellow, brown. H = 6-0...5-5. G = 2-90...3-104.
