Metavivianite (Fe3+2(PO4)2(OH)2·6H2O) is a hydrated iron phosphate mineral found in a number of geological environments. As a secondary mineral it is typically formed from oxidizing dehydrated vivianite. Metavivianite is typically found as dark blue or dark green prismatic to flattened crystals. It was named by , Eric J. Essene, and in 1974 for its structural relationship to vivianite.
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rdfs:label
| - Metavivianita (ca)
- Metavivianita (eu)
- Metavivianite (it)
- Metavivianite (en)
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rdfs:comment
| - La metavivianita és un mineral de la classe dels fosfats. Va ser anomenada per C. Ritz, Eric J. Essene i Donald R. Peacor l'any 1974 per la seva relació estructural amb la vivianita. (ca)
- Metavivianita fosfato motako minerala da. (eu)
- Metavivianite (Fe3+2(PO4)2(OH)2·6H2O) is a hydrated iron phosphate mineral found in a number of geological environments. As a secondary mineral it is typically formed from oxidizing dehydrated vivianite. Metavivianite is typically found as dark blue or dark green prismatic to flattened crystals. It was named by , Eric J. Essene, and in 1974 for its structural relationship to vivianite. (en)
- La metavivianite è un minerale scoperto nel 1974 il cui nome è stato attribuito per la sua relazione con la struttura della vivianite. È dimorfo della ferrostrunzite. (it)
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streak
| - Blue or greenish blue (en)
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strunz
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tenacity
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twinning
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unit cell
| - a = 7.989 Å, b = 9.321 Å (en)
- c = 4.629 Å; α = 97.34°; β = 95.96°; γ = 108.59° (en)
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caption
| - A 6x4 cm specimen of paramorphosed olive-green to green Metavivianite after oxidized vivianite. From Kerchenskoe deposit, Crimea Oblast, Ukraine. Photo and collection specimen by Pavel Kartashov. (en)
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category
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class
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color
| - Dark blue to blue-black; Dark green to green-black (en)
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gravity
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symmetry
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system
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2V
| - Measured: 85° , Calculated: 90° (en)
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has abstract
| - La metavivianita és un mineral de la classe dels fosfats. Va ser anomenada per C. Ritz, Eric J. Essene i Donald R. Peacor l'any 1974 per la seva relació estructural amb la vivianita. (ca)
- Metavivianita fosfato motako minerala da. (eu)
- Metavivianite (Fe3+2(PO4)2(OH)2·6H2O) is a hydrated iron phosphate mineral found in a number of geological environments. As a secondary mineral it is typically formed from oxidizing dehydrated vivianite. Metavivianite is typically found as dark blue or dark green prismatic to flattened crystals. It was named by , Eric J. Essene, and in 1974 for its structural relationship to vivianite. (en)
- La metavivianite è un minerale scoperto nel 1974 il cui nome è stato attribuito per la sua relazione con la struttura della vivianite. È dimorfo della ferrostrunzite. (it)
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birefringence
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cleavage
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dana
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diaphaneity
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dispersion
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fluorescence
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habit
| - Bladed crystals, often with irregular acute multiple terminations. (en)
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luster
| - Sub-vitreous, Resinous, Greasy, Dull (en)
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mohs
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molweight
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opticalprop
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pleochroism
| - Visible; X = blue to blue-green; Y,Z = yellow-green (en)
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refractive
| - nα = 1.600 - 3.000, nβ = 1.640 - 3.000, nγ = 1.685 - 3.000 (en)
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