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SCAPOLITE. 383 Before the blowpipe melts with intumescence into a trans lucent glass. With solution of cobalt becomes blue. Soluble yith effervescence in borax and salt of phosphorus. In powder is decomposed by hydrochloric acid. Ca 2 S J -f 2AlSi, silica 39 - 77, alumina 33-11, lime 27-12, part of the lime being replaced by soda and potash. According to Harkort and Breithaupt scapolite always contains traces of fluorine. Analyses of the transparent, colourless or light-coloured varieties (meionite) a from Monte Somma by L. Gmelin, b from Monte Somma by Stromeyer, c from Vesuvius by Wolff; Silica . Alumina Binio Soda Botash .... Bed oxide of iron Boss by ign. . Analyses of scapolite g from Tunaberg by Walmstedt, h, i from Ersby, k from Petteby, all by Hartwal'l and Hedberg, I from Pargas by Nordenskiold, m from Bolton (nuttallite) by Thomson:— Silica ... ■Alumina . . . Bimo . Soda Jfrd oxide of iron Water .... Analyses of scapolite n from Malsjo near Carlstadt in Wermland, massive, o = 2 623, o from Hirvesalo in Finland, in Cr ystals and massive, o = 2'733, p from Bolton in Massachu- s ett8, crystalline, o = 2’718, q from llesselkulla, massive, a = 2:736, r from Arendnl in crystals, o = 2-712, all by Wolff, s from Bocksiiters in the parish of Drothem in Eastgothland, 0 = 2-34, by Berg:— Pargas by Nordenskiold, is by Hart wall:— e from Pargas a b C d e / 43-80 40-63 42-07 43’83 46-10 49'42 32-86 32 73 31-71 35*43 32-76 25-41 20-64 24-25 22 43 18*96 17-84 15-59 2'57 j 1-81 0-45 — 0-76 6-05 — 0-31 _ 0'68 ilg 0-68 1-07 0 18 — — — 1-40 — — 0-31 1*03 1-04 1*45 9 h i k I m 43-83 48-77 52-11 61-34 54-13 37-81 36 28 31-05 27-60 32 27 29'23 25-10 19-37 15-94 13-53 9'33 1546 18-34 — 3-26 3-86 6'12 k 7'31 0-61 — 055 1'91 ke 7’89 — 061 0-73 l’OO 1'07 1-50
