142 
XON-METALLIC MINERALS. 
70a. Coal, exhibiting a peculiar 
conchoidal fracture often mistaken 
for woody structure. 
From Mr. Charlesworth’s pit, 
Rosehill, near Raivmarsh, 
Rotherham, Yorkshire, 
Presented by Mr. Chadwick, 1864. 
71. Exhibits the contact of 
Bituminous and Cannel Coal, 
the Cannel being the upper bed. 
Incehall Colliery, Wigan, Lan- 
cctsfizr€» 
Presented by W. W. Smyth, F.R.S. 
72. Cannel, “ Candle,” or 
“ Parrot Coal.” 
From a seam 2 feet 9 inches thick 
at the Collieries of the Earl of 
Crawford and Balcarres, at 
Haigh,near Wigan, Lancashire. 
Presented by the late W. Peace. 
(Placed in the case beneath.) 
A fine block of Wigan Cannel 
Coal, presented by the Earl of 
Crawford and Balcarres from 
the International Exhibition, 
will be found in the Hall, 
near the eastern entrance to 
the Lecture Theatre. 
73. Cannel Coal, with two 
surfaces naturally polished, being 
the sides of faults. 
Preston Grange, Haddingtonshire. 
Presented by Sir G. Grant Suttie, 
Bart. 
74. Cannel Coal, brown. 
Pirnie, Scotland. 
75. Cannel Coal, black. 
Pirnie. 
Nos. 74 & 75 presented by E. Meldrum. 
76. Albertite, a mineral allied 
to Cannel, used extensively in 
New York for makino; gas. 
Albert Mines, Hilshorough, New 
Brunswick. 
Presented by N. Gould. 
77. Albertite. 
Ben Wyvis, Dingwall, Parish of 
Kiltearn, Ross-shire. 
Presented by the Eev. Dr. Honeyman. 
78 and 79. Lignite, or Brown 
Coal. 
Nassau. 
Presented by the Department of Mines 
of the Grand Duchy of Nassau. 
80. Lignite. 
From the Meiocene beds of Bovey 
Tracey, Devonshire. 
81. Lignite. 
From the chalk, Kent. 
Presented by Mr. Mackeson. 
82. Lignite. 
Tasmania. 
Presented by Sir W. Denison. 
Analysis by C. Tookey :—■ 
Carbon - - - 59-90 
Hydrogen - - - 4*66 
Oxygen - - - 15*99 
Nitrogen - - - 1-08 
Sulphur - - - 0-30 
Ash - - - - 4-64 
Water (hygroscopic) - 13*43 
100*00 
83. Lignite, lamellar. 
Colditz, Saxony. 
84. Jet. This mineral, the 
Gagates of the ancients, occurring 
stratified in the dark shales of 
the lower Lias, was found in 
England at a very early period, 
and was highly valued not only 
for ornaments, but for supposed 
medicinal virtues. 
From the Lias shales of Whitby, 
Yorkshire. 
85. String of Jet Beads. 
Whitby. 
86. Ancient Jet Ornament. 
Found in England. 
Presented by the late Mr. Hertz. 
87. Torbane Mineral, or Tor- 
banite, the so-called “ Boghead 
Cannel Coal.” 
From the coal measures, Torbane 
Hill, Linlithgowshire. 
Presented by J. H. Vivian, M.P. 
88. Bituminous Marl. 
New South Wales. 
Presented by Dr. George Witt, F.R.S. 
(Placed in the case beneath.) 
89. Bituminous Shale, or 
‘‘ Kimeridge Coal,” said to yield 
9,050 cubic feet of gas to the ton. 
Kimeridge Bay, I. of Purbeck, 
Dorsetshire. 
Presented by V. Wanostrocht. 
(Placed in the case beneath.) 
