The Edinburgh New Philosophical Journal
Format: Paperback
ISBN13: 9780217280761
Paperback|9780217280761
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Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: On the Chemical Constitution of Brewsterite. By Arthur Cornell, Esq. F. R. S. E. Communicated by the Author. This mineral was first characterized, from its crystalline form, as a distinct species by Mr Brooke, who also gave it its present name . It would appear that, some years ago, a specimen of the mineral was sent by Dr Brewster to Berzelius, for the purpose of being analyzed; and that Berzelius wrote back in answer, that it had been already analyzed by Retzius, conformably to the C formula - S3 + 4 A S3 + 8 A q, and called by him Prehniti- form Stilbite -f . This formula, or the corresponding chemical one, has been retained by Berzelius J; and I am not aware that any other statement respecting the constitution of the mineral has been given to the public. The locality of the mineral analyzed by Retzius is not stated. The formula of Berzelius gives, Silica, ..... 57-285 Alumina, .... 17-011 Water, ..... 17'872 99-932 In a former notice on this subject ]], I shewed, from an examination of some pure crystals of Brewsterite from Strontian in Argyllshire, that it contained strontia and baryta, and no notable quantity of lime. I also shewed that it contained no alkali, and concluded that the formula of Berzelius did not apply to the mineral, at least when derived from the above locality, unless the formula and composition could be accommodated to one another by the aid of the doctrine of replacement. It became a matter of some interest to establish by a regular Edin. Phil. Journal, vol. vi. p. 112. f Edinb. Jour, of Science, vol. iv. p. 316. J Die Anwendung des Lothrohrs, 2te Auf. S. 168. This calculation is made by the atomic weights of Berzelius. All the subsequent calculations of formulae are made by those of Dr Thomson. II Edinb. New Phil...
| ISBN-13 | 9780217280761 |
|---|---|
| ISBN-10 | 0217280765 |
| Weight | 1.10 Pounds |
| Dimensions | 9.00 x 6.00 x 0.76 In |
| List Price | $23.84 |
| Format | Paperback |
|---|---|
| Pages | 338 pages |
| Publisher | |
| Published On | 2009-08-01 |
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