The Pentagonal Dodecahedron and Iron Pyrites by pmoews

Last crawled date: 4 years, 1 month ago

Some less symmetrical cubic forms as described by AEH Tutton: a dyakis dodecahedron, a pentagonal dodecahedron, and a related mineral - Iron Pyrites. See "Crystallography and Practical Crystal Measurement", AEH Tutton, Macmillan and Co. Ltd, London, 1911, Chapter XI, p. 157. and also Figures 102, 103, and 104. https://archive.org/details/crystallographyp00tuttuoft