Metavivianite
http://dbpedia.org/resource/Metavivianite an entity of type: Thing
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.
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Metavivianita fosfato motako minerala da.
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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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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.
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Metavivianita
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Metavivianita
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Metavivianite
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Metavivianite
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Metavivianite
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Metavivianite
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55128335
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1123912178
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Blue or greenish blue
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8
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(7/C.14-20 )
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Sectile
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{110}
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a = 7.989 Å, b = 9.321 Å
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c = 4.629 Å; α = 97.34°; β = 95.96°; γ = 108.59°
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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.
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Pinacoidal
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Dark blue to blue-black; Dark green to green-black
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2.69
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P1
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Measured: 85° , Calculated: 90°
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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.
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Metavivianita fosfato motako minerala da.
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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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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.
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δ = 0.050 - 0.085
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#8a8f82
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#fff
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Perfect on {110}
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40.11
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translucent
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Very weak
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Not fluorescent
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Bladed crystals, often with irregular acute multiple terminations.
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Mviv
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Sub-vitreous, Resinous, Greasy, Dull
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1.5
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443.734
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Biaxial
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Visible; X = blue to blue-green; Y,Z = yellow-green
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nα = 1.600 - 3.000, nβ = 1.640 - 3.000, nγ = 1.685 - 3.000
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3578