The “Satin Spar” of Alston in Cumberland; and the Determination of Massive and Fibrosus Calcites and Aragonites

L. J. Spencer

Assistant in the Mineral Department of the British Museum

Mineralogical Magazine; May 1897 v. 11; no. 52; p. 184-187; DOI: 10.1180/minmag.1897.011.52.05
© 1897, The Mineralogical Society
Mineralogical Society (www.minersoc.org)