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Published online by Cambridge University Press: 14 March 2018
At Mr. Collins's request I submit to the members of the Mineralogical Society the following preliminary notice of substances which I have collected during" my somewhat extensive wanderings about Scotland.
In the case of several of the substances described, it will be seen that I do not by any means bring them forward as being without doubt new minerals; of that, I have not satisfied myself, and still less can I hope to satisfy others, until specimens more fitted for absolute deterrmination are obtained, and that in a quantity larger than what I have as yet had to operate upon.
The noting and describing these substances now, will enable others to lend their aid in the work.
Page 68 Note * The granite veins in the Dochfour Burn which carry the mineral show rarely minute specks of pyrite,-these are apparently quite unaltered; the mineral here is paler in colour than is usual.