File:Britannica Flor-spar Cube.png
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Britannica_Flor-spar_Cube.png (296 × 299 pixels, file size: 6 KB, MIME type: image/png)
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| Description |
English: Fluor-spar crystallizes in the cubic system, commonly in cubes, either alone or combined with the octahedron, rhombic dodecahedron, four-faced cube, &c. The four-faced cube has been called the fluoroid. In this figure, a is the cube (100), a' the rhombic dodecahedron (110), and f the four-faced cube (310). |
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| Date | published 1911 | |||
| Source | Encyclopædia Britannica, 11th ed., Vol. 10, p. 578 | |||
| Author | Unknown author | |||
| Permission (Reusing this file) |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:07, 26 July 2009 | | 296 × 299 (6 KB) | Bob Burkhardt | {{Information |Description={{en|1=Fluor-spar crystallizes in the cubic system, commonly in cubes, either alone or combined with the octahedron, rhombic dodecahedron, four-faced cube, &c. The four-faced cube has been called the fluoroid. In this figure, '' |
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