Wulffite
http://dbpedia.org/resource/Wulffite an entity of type: Thing
La wulffita és un mineral anomenat en honor del cristal·lògraf rus , el qual va suggerir el model d'interferència de raigs X en cristalls. Està relacionada amb la parawulffita, en termes d'estructura i composició química. És un dels 4 minerals de potassi, sodi i coure, juntament amb l'euclorina, la parawulffita i la piypita.
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Wulffita mineral bat da.
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Wulffite is an alkali copper sulfate mineral with the chemical formula K3NaCu4O2(SO4)4, in the sulfate category of minerals. It was recently discovered in Kamchatka, Russia at the Tolbachik volcano in 2012. It was named for Russian crystallographer Georgiy Viktorovich Wulff, a renowned expert who furthered X-ray diffraction and interference. Wullfite shares many properties with , which was found in the same area just with slightly different chemical composition.
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Wulffita
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Wulffita
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Wulffite
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Wulffite
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Wulffite
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62491146
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1077152400
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Yes
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light green
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Clusters and crusts
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a = 14.2810 Å, b = 4.9478 Å
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c = 24.1127 Å;
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β= 106.24°; Z = 4
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mm2 - Pyramidal
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Dark green, emerald green, blueish-dark green
<gramPerCubicCentimetre>
3.23
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Pn21a
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La wulffita és un mineral anomenat en honor del cristal·lògraf rus , el qual va suggerir el model d'interferència de raigs X en cristalls. Està relacionada amb la parawulffita, en termes d'estructura i composició química. És un dels 4 minerals de potassi, sodi i coure, juntament amb l'euclorina, la parawulffita i la piypita.
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Wulffita mineral bat da.
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Wulffite is an alkali copper sulfate mineral with the chemical formula K3NaCu4O2(SO4)4, in the sulfate category of minerals. It was recently discovered in Kamchatka, Russia at the Tolbachik volcano in 2012. It was named for Russian crystallographer Georgiy Viktorovich Wulff, a renowned expert who furthered X-ray diffraction and interference. Wullfite shares many properties with , which was found in the same area just with slightly different chemical composition.
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6.27
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δ = 0.133
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Perfect along {100} and good along {010}
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Transparent
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K3NaCu4O24
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stepped
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Coarse rismatic crystals
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Wlf
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Vitreous
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2.5
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810.6900000000001
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Biaxial positive
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strong
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nα= 1.582 nβ= 1.610 nγ= 1.715
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7450