... Report on the building and ornamental stones of Canada, vol. I-V (1912)
Parks, W. A. (William Arthur), 1868-1936, Canada. Mines Branch · Ottawa : Government printing bureau · leaf 114
as given below:— Specific gravity 2 ■ 687 Weight per cubic foot, lbs 144-808 Pore space, per cent 13 • 688 Ratio of absorption, per cent 5 • 902 Coefficient of saturation, one hour 0-61 two hours 0-63 Crushing strength, lbs. per sq. in 13681 • wet, lbs. per sq. in 10075 • wet after freezing, lbs.… … Wallace sandstone. Quarry of the Wallace Quarry Co., Wallace. N.S. 31397—7 73 Under the freezing test the stone showed a slight disintegration atthe corners only. An analysis to determine the condition of the iron gives:— Ferrous oxide, per cent 3-60 Ferric oxide, 1-14 No. 462.—This stone is of a…
Building stones
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