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Tegengrenite : (Mg,Mn2+)2Sb5+0.5(Mn3+,Si,Ti)0.5O4, Hausmannite : MnMn2O4 | |
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Nordmark, Filipstad, Värmland, Sweden Tegengrenite (red) and Hausmannite. Polished section, refl.light, x-nicols. Field 1.5 mm. |
| © Kjell Gatedal | Photo ID: 5837 View Count: 780 |
Tegengrenite : (Mg,Mn2+)2Sb5+0.5(Mn3+,Si,Ti)0.5O4 | |
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Nordmark, Filipstad, Värmland, Sweden Tegengrenite (red) and an unknown borate mineral containing Sb showing twin lamellae. Polished section, refl. light, x-nicols, size picture 0.6 mm. Photo Kjell Gatedal |
| © Kjell Gatedal | Photo ID: 8174 View Count: 504 |
Tegengrenite : (Mg,Mn2+)2Sb5+0.5(Mn3+,Si,Ti)0.5O4, Manganosite : MnO | |
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Nordmark, Filipstad, Värmland, Sweden Tegengrenite crystal (red) in a manganosite crystal (green). Field 7mm. Photo and collection K.Gatedal. |
| © Kjell Gatedal | Photo ID: 13424 View Count: 425 |
Tegengrenite : (Mg,Mn2+)2Sb5+0.5(Mn3+,Si,Ti)0.5O4, Katoptrite : (Mn2+,Mg)13(Al,Fe3+)4Sb5+2[O10|SiO4]2 | |
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Nordmark, Filipstad, Värmland, Sweden Tegengrenite crystals and katoptite (prismatic). Polished section, reflected light, crossed nicolls. Size picture 0.6 mm. Collection and photo Kjell Gatedal. |
| © Kjell Gatedal | Photo ID: 49693 View Count: 235 |
Tegengrenite : (Mg,Mn2+)2Sb5+0.5(Mn3+,Si,Ti)0.5O4 | |
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Nordmark, Filipstad, Värmland, Sweden Crystals of tegengrenite. Polished section, reflected light, crossed nicols. Size picture 0.5 mm. Nikon Optiphot-Pol, Nikon D200. Collection and photo Kjell gatedal. |
| © Kjell Gatedal | Photo ID: 158951 View Count: 120 |
Tegengrenite : (Mg,Mn2+)2Sb5+0.5(Mn3+,Si,Ti)0.5O4 | |
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Nordmark, Filipstad, Värmland, Sweden Tegengrenite crystals in calcite. Polished section, reflected light, crossed nicols. Size picture 0.5 mm. Nikon Optiphot-pol, Nikon D200. Collection and photo Kjell Gatedal. |
| © Kjell Gatedal | Photo ID: 157381 View Count: 80 |
Tegengrenite : (Mg,Mn2+)2Sb5+0.5(Mn3+,Si,Ti)0.5O4 | |
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Jakobsberg Mine, Nordmark, Filipstad, Värmland, Sweden Red crystals of tegengrenite on hausmannite. This is crystals from the holotype material. Calcite have been etched away by hydrochloric acid. Crystals up to 0.1 mm. Mindat.org Photo of the Day - 10th Feb 2009 |
| © Torbjörn Lorin | Photo ID: 138750 View Count: 545 |
Tegengrenite : (Mg,Mn2+)2Sb5+0.5(Mn3+,Si,Ti)0.5O4 | |
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Jakobsberg Mine, Nordmark, Filipstad, Värmland, Sweden Red pseudo-octahedral crystal of tegengrenite. Picture size 0.8 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 9003 View Count: 553 |
Tegengrenite : (Mg,Mn2+)2Sb5+0.5(Mn3+,Si,Ti)0.5O4 | |
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Jakobsberg Mine, Nordmark, Filipstad, Värmland, Sweden Tegengrenite. Polished sample Refl.light, x-nic. Size 1mm |
| © K.Gatedal | Photo ID: 5815 View Count: 482 |
Tegengrenite : (Mg,Mn2+)2Sb5+0.5(Mn3+,Si,Ti)0.5O4 | |
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Jakobsberg Mine, Nordmark, Filipstad, Värmland, Sweden dimension area mm. 2 x 2 the tegengrenite is the little red crystal photo and collection Luigi Chiappino |
| © luigi chiappino | Photo ID: 251929 View Count: 12 |
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