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Wickmanite : Mn2+[Sn(OH)6], Dolomite : CaMg(CO3)2, Tetrawickmanite : Mn2+[Sn4+(OH)6] | |
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Mt Cleveland Sn Mine, Luina, Heazlewood district, Tasmania, Australia Specimen: Evan Sorrell; photographer R. Bottrill; Yellow wickmanite octahedra (with overgrowths of tetrawickmanite) to 1mm on white dolomite. |
| © R. Bottrill | Photo ID: 1364 View Count: 801 |
Wickmanite : Mn2+[Sn(OH)6] | |
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Hedrum Quarry, Lågendalen, Hedrum, Larvik, Vestfold, Norway 0,1 mm reddish brown wickmanite crystals. The specimen was collected by and is now in the micromount collection of OT. Ljostad. |
| © OT. Ljostad | Photo ID: 17582 View Count: 486 |
Wickmanite : Mn2+[Sn(OH)6] | |
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Hedrum Quarry, Lågendalen, Hedrum, Larvik, Vestfold, Norway 0,1 mm wickmanite crystals. Wickmanite is one of the rarest minerals found in the Larvikite/Langesundsfjord-district. The specimen was collected by and is now in the micromount collection of OT. Ljostad. |
| © OT. Ljostad | Photo ID: 17583 View Count: 433 |
Wickmanite : Mn2+[Sn(OH)6], Natrolite : Na2[Al2Si3O10] · 2H2O | |
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Hedrum Quarry, Lågendalen, Hedrum, Larvik, Vestfold, Norway Brownish wickmanite on natrolite. Wickmanite is one of the rarest minerals found in the larvikite-area. Field of view about 1,2 mm. The specimen was collected by and is now in the micromount collection of OT. Ljostad. |
| © OT. Ljostad | Photo ID: 17581 View Count: 426 |
Wickmanite : Mn2+[Sn(OH)6], Chiavennite : CaMnBe2Si5O13(OH)2·2H2O | |
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Vevja (Bakken) quarry, Tvedalen, Larvik, Vestfold, Norway A 0,1 mm distorted "cube" (tetragonal "pseudocubic"?) - which may be Tetrawickmanite - on top of a 0,2 mm cuboctahedral crystal of Wickmanite with bladed crystals of Chiavennite on large crystals of Helvite from the Vevja quarry, Tvedalen in the Langesundsfjord area. Specimen and photo: Knut Eldjarn. |
| © Knut Eldjarn | Photo ID: 72194 View Count: 302 |
Wickmanite : Mn2+[Sn(OH)6] | |
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Långban, Filipstad, Värmland, Sweden Single, sharp wickmanite crystal in barite. Crystal size 2x2 mm. |
| © Ö. Österberg | Photo ID: 22639 View Count: 481 |
Wickmanite : Mn2+[Sn(OH)6], Tetrawickmanite : Mn2+[Sn4+(OH)6] | |
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Foote Lithium Co. Mine (Foote Mine), Kings Mountain District, Cleveland Co., North Carolina, USA .8 mm light yellow wickmanite crystal with epitaxial, tabular tetrawickmanite crystal attached on albite. Associated with rhodochrosite and fluorapatite. Obvious wickmanite from Foote like this is extremely rare but the mineral is probably more common than realized. JBS collection and photo. Mindat.org Photo of the Day - 2nd Dec 2006 |
| © JBS 2006 | Photo ID: 79258 View Count: 631 |
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