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Metavivianite : Fe2+3-xFe3+x(PO4)2(OH)x·(8-x)H2O | |
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Rapid Creek, Dawson Mining District, Yukon Territory, Canada Field of view 23 mm. Collection M. Kampf No 90-207. |
| © 2005 M. Kampf | Photo ID: 31765 View Count: 594 |
Metavivianite : Fe2+3-xFe3+x(PO4)2(OH)x·(8-x)H2O | |
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Genna zinc smelter (slag locality), Letmathe, Iserlohn, Sauerland, North Rhine-Westphalia, Germany Metavivianite group. Field 1.4 mm Luminar 25 mm. Photo and Collection Christophe Boutry |
| © C.Boutry | Photo ID: 158507 View Count: 114 |
Metavivianite : Fe2+3-xFe3+x(PO4)2(OH)x·(8-x)H2O, Vivianite : Fe2+3(PO4)2·8H2O | |
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Kerchenskoe deposit, Kerch peninsula (Kertch peninsula), Crimea peninsula, Crimea Oblast', Ukraine Paramorphoses of olive-green to green Metavivianite (alpha-Kerchenite) after dark-blue oxidized vivianite (beta-Kerchenite) well wisible in central part of the specimen. Typical for Metavivianite from the locality colour and pearly lustre are well visible on the photo. In difference from primary vivianite (var. paravivianite) metavivianite ... |
| © Pavel M. Kartashov | Photo ID: 224917 View Count: 53 |
Metavivianite : Fe2+3-xFe3+x(PO4)2(OH)x·(8-x)H2O, Baryte : BaSO4 | |
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Kerchenskoe deposit, Kerch peninsula (Kertch peninsula), Crimea peninsula, Crimea Oblast', Ukraine Green to olive-green Metavivianite (alpha-Kerchenite) paramorphose after cluster of slightly radiated Vivianite crystals over spherulitic ball of yellowish Baryte. Specimen size is 5.5x5 cm. Collected before 1985. Pavel Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 224918 View Count: 44 |
Metavivianite : Fe2+3-xFe3+x(PO4)2(OH)x·(8-x)H2O, Baryte : BaSO4 | |
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Kerchenskoe deposit, Kerch peninsula (Kertch peninsula), Crimea peninsula, Crimea Oblast', Ukraine Cluster of greenish crystals of Metavivianite (alpha-Kerchenite) over spherulitic ball of yellowish Baryte. Typical for Metavivianite from the locality olive-green colour and pearly lustre are well visible on the photo. In difference from primary vivianite (var. paravivianite) metavivianite paramorphoses are not transparent. Specimen size is 5x3.5 ... |
| © Pavel M. Kartashov | Photo ID: 224914 View Count: 41 |
Metavivianite : Fe2+3-xFe3+x(PO4)2(OH)x·(8-x)H2O, Opal : SiO2·nH2O | |
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Shrewsbury, Monmouth Co., New Jersey, USA Undoubtedly as pseudomorphs after a rosette of platy crystals - most likely vivianite, with brown common opal. S411-054 #764# Labeled with the additional locality information as being from the "Shrewsbury Library" 2.5 cm across. |
| © 2009, JGW | Photo ID: 138650 View Count: 107 |
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