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Ru Smith
Joined: 13 Oct 2012
Posts: 362
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 Posted: Aug 07, 2013 20:38 Post subject: Re: Complex fluorite crystal forms - (9) |
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Small, but lovely cube-hexoctahedron from Pike Law, Teesdale, County Durham (thanks Phil!).
| Description: |
Fluorite with calcite.
Pike Law, Teesdale, County Durham, England, UK.
6 cm specimen with fluorites to 5 mm. |
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18747 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4248
Location: Germany
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| Posted: Nov 22, 2014 08:51 Post subject: Re: Complex fluorite crystal forms - (9) |
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This topic is too good to be forgotten! I will continue it with a picture I made of my new fluorite from Shangbao Mine:
| Mineral: | Fluorite |
| Locality: | | Shangbao Mine, Leiyang, Hengyang Prefecture, Hunan Province, China |  |
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| Dimensions: | Crystals ~ 2 cm each one |
| Description: |
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17207 Time(s) |
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prcantos
Site Admin
Joined: 17 Apr 2012
Posts: 243
Location: Granada (Spain)
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| Posted: Nov 22, 2014 16:40 Post subject: Re: Complex fluorite crystal forms - (9) |
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Hi, Ru. Have you figured out anything else? Please, look at this picture. I have obtained something similar combining two different hexoctahedra: {9 2 15} (blue) and {1 2 3} (green). Of course it is only an arbitrary approach. Therefore the green faces might be another hexoctahedron...
What do you think?
| Description: |
Grey = cube = {1 0 0}
Red = octaedron = {1 1 1}
Yellow = trapezohedron = {2 1 1}
Blue = hexoctahedron = {2 9 15}
Green = another hexoctahedron = {1 2 3} |
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17094 Time(s) |
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_________________
Pablo Rodríguez Cantos
Λίθον˛ον απεδοκίμασαν˛οι οικοδομουντες |
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prcantos
Site Admin
Joined: 17 Apr 2012
Posts: 243
Location: Granada (Spain)
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| Posted: Jun 19, 2015 13:45 Post subject: Re: Complex fluorite crystal forms - (9) |
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This Spanish fluorite shows an obvious tetrakis-hexahedral (tetrahexahedral) facies.
| Mineral: | Fluorite |
| Locality: | | Jaimina Mine, Obdulia vein, Caravia mining area, Trechorio, Carrales, Caravia, Comarca Oriente, Principality of Asturias (Asturias), Spain | |
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| Dimensions: | 4.5 x 5 x 5 cm. |
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16218 Time(s) |
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| Mineral: | Fluorite |
| Locality: | | Jaimina Mine, Obdulia vein, Caravia mining area, Trechorio, Carrales, Caravia, Comarca Oriente, Principality of Asturias (Asturias), Spain | |
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| Dimensions: | 4.5 x 5 x 5 cm. |
| Description: |
| Some vertices are truncated by the cube. |
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16193 Time(s) |
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_________________
Pablo Rodríguez Cantos
Λίθον˛ον απεδοκίμασαν˛οι οικοδομουντες |
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