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On various minerals (Anatase, &c.), from the Binnenthal

Published online by Cambridge University Press:  14 March 2018

Extract

Anatase.—Some very brilliant and highly modified crystals of a light brown colour were obtained from the Ofenhorn in 1908. The largest crystal measures nearly an inch across. The. form {313} is largely developed; other forms present are {100}, {110}, {111}, {331}, {221}, {223}, {835}, {112}, {118}, {117},and also a new {h k l} plane close to (110) and (221), which is probably (24.14.7). These crystals resemble Seligmann's fig. 3.

In 1902 some much smaller, dark brown crystals of a different habit, with the form {117} largely developed, were obtained from another part of the Ofenhorn. They resemble Klein's fig. 3. Three new forms were observed, namely {553}, {35.8.5}, and {40.3.5}.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1904

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References

Page 16 note 1 Zeits. Kryst. Min., 1886, vol. xi, p. 337.

Page 16 note 2 Neues Jahrb. Min., 1875, p. 337, plate XI.

Page 17 note 1 Zeits. Kryst. Min., 1903, vol. xxxvii, p. 605.