AMPEIBOLE. 299 b, m, r, a = 3'0i...3 03 (actinote), d from Taberg by y. Bons- dorff, e from Pennsylvania by Seybert, of the brown columnar variety, & = 3'27...3'3l (anthophyllite) / from Kongsberg by Vopelius:— Silica .... Magnesia . . Lime .... Protoxide of iron Protox. mangan. Alumina . . . Hydrofluoric acid Water . . . a I c d e / eo’io 59-75 59-5 59-75 66-33 56’74 24-31 25-00 26-8 21-10 24'00 24’35 12'73 14-11 12-3 14-25 10-67 — 1-00 0’50 trace 395 4-30 1394 0-47 — 031 — 2-38 0’42 trace 1-4 — 1-67 — 0-83 0-94 — 0-76 — — 0-16 0-10 — — 1-03 1-67 9 h i k I m 58-20 67-98 69-60 68-48 69 23 68-19 22-10 22-38 19-30 31-38 31-02 30-79 15-55 12-95 12-65 0-04 — 3-08 6-32 860 9-22 8-27 7-93 0-21 - 1 > 0-88 — — 0'14 0-68 — J 0-19 0'18 0-66 loss by ignition 1-31 1-86 Analyses of fibrous ampliibole (asbestus) g from the Taren- taise by v. Bonsdorfif, h from Kuhnsdorf in the Voigtland by Bammelsberg, i from Taberg by Murray, Tc from Koruk in Greenland by Lappe, I, in from the sources of the Tschussowaja in the Ural by Heintze :— Silica . . . Magnesia . . Lime .... Protoxide of iron Protox. mang. . Alumina . . Hydrofluoric acid Analyses of black amphibole n from Sliitmyran near Pahlun, o from the parish of Garpenberg, p from Pargas, all by Hisinger, q from Pargas by v. Bousdorff, r from Nordmark by v. Bons- dorif, s from Kienrud mine at Kongsberg by Kudernatsch Silica .... Alumina . . Magnesia . . Lime .... Protoxide of iron Protox. mang. . Hydrofluoric acid Water . n 0 P i r S 47-62 53-60 41-50 45*69 48-83 4907 7-38 4-40 15-75 12-18 7-48 9'24 14-81 11-35 19-40 18-79 13-61 20'29 12-69 4-65 14-09 13-83 1016 10'33 15-78 22-62 7-75 7‘32 18'75 9-77 0-32 0-35 0-26 0-22 1-16 — — — 1-60 0-41 — 0-60 0 - 50 — 0'60 — o is supposed by Breithaupt to belong to a variety in which »!»' = 124° nearly. 0 6