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Alacránite : As8S9 | |
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Uzon Caldera, Kamchatka Oblast', Far-Eastern Region, Russia Small orange-reddish crystals of alacranite. Picture size 1 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 9958 View Count: 770 |
Alacránite : As8S9, Uzonite : As4S5 | |
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Uzon Caldera, Kamchatka Oblast', Far-Eastern Region, Russia Orange Alacranite crystals with yellow Uzonite. Field of view 15 mm. Collection M. Kampf 99-040. |
| © 2005 M. Kampf | Photo ID: 35885 View Count: 499 |
Alarsite : Al[AsO4] | |
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Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia Scanning electron micrograph of a small crystal aggregate of alarsite. 400 micron field of view. P052 Excalibur Mineral specimen. |
| © 2008, JGW | Photo ID: 155920 View Count: 236 |
Alumoklyuchevskite : K3Cu3(Al,Fe3+)[O|(SO4)2]2 | |
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Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia Very small olive-greenish prismatic crystals of alumoklyuchevskite. Sample size 1.8 x 1.5 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 8000 View Count: 1067 |
Alumoklyuchevskite : K3Cu3(Al,Fe3+)[O|(SO4)2]2 | |
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Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia Crystals to 0.02 cm, on volcanic scoria. Photographed through a sealed vial. S402-218 Specimen courtesy of Excalibur Mineral company. |
| © 2008, JGW | Photo ID: 162940 View Count: 134 |
Alumoklyuchevskite : K3Cu3(Al,Fe3+)[O|(SO4)2]2 | |
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Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia Alumoklyuchevskite associated with euchlorine. FOV 3mm. Photograph was taken through a plastic container. Brent Thorne specimen and photograph. |
| © Brent Thorne 2009 | Photo ID: 265583 View Count: 15 |
Arcanite : K2SO4 | |
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Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia Picture size: 10x7.5 mm. |
| © Sergey Vasiliev | Photo ID: 71463 View Count: 544 |
Arcanite : K2SO4, Hematite : Fe2O3, Piypite : K2Cu2[O|(SO4)2] | |
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Second scoria cone, Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia SEM image of crust of prysmatic Hematite crystals associating with more bright in BSE Pb-bearing Arcanite with composition (K1.46Pb.27[].27)2[SO4]. We have here the member of arcanite-anglesite series of solid solutions. Note how arcanite envelope hematite crystals. Grey matrix more darker in BSE than hematite is Piypite (at the right side of the ... |
| © Pavel M. Kartashov | Photo ID: 223579 View Count: 48 |
Balyakinite : CuTeO3 | |
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Aginsk deposit (Aginskoye deposit), Kamchatka Oblast', Far-Eastern Region, Russia Small grain of balyakinite. Specimen has been analyzed by EDS and XRD. Field of view, 0.25mm x 0.25mm. Brent Thorne specimen and photograph. |
| © Brent Thorne 2008 | Photo ID: 22734 View Count: 708 |
Bassanite : Ca[SO4] · 0.5H2O | |
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Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia White bassanite pseudomorphous after gypsum. Picture size 4 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 11509 View Count: 529 |
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