About: Ekplexite

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Ekplexite is a unique sulfide-hydroxide niobium-rich mineral with the formula (Nb,Mo)S2•(Mg1-xAlx)(OH)2+x. It is unique because niobium is usually found in oxide or, eventually, silicate minerals. Ekplexite is a case in which chalcophile behaviour of niobium is shown, which means niobium present in a sulfide mineral. The unique combination of elements in ekplexite has to do with its name, which comes from a Greek world on "surprise". The other example of chalcophile behaviour of niobium is edgarite, FeNb3S6, and both minerals were found in the same environment, which is a fenitic rock of Mt. Kaskasnyunchorr, Khibiny Massif, Kola Peninsula, Russia. Analysis of the same rock has revealed the presence of two analogues of ekplexite, (molybdenum-analogue) and (molybdenum- and manganese-analog

Attributes	Values
rdf:type	Thing dul:ChemicalObject chemical substance Mineral mineral
rdfs:label	Ekplexita (ca) Ekplexite (en) Ekplexita (eu)
rdfs:comment	L'ekplexita és un mineral que pertany al . El seu nom prové del grec «ekpelxis» (έκπληξις), que significa sorpresa, en al·lusió a la sorprenent combinació d'elements de la seva fórmula química. (ca) Ekplexita mineral bat da eta valleriite taldearen kidea da. (eu) Ekplexite is a unique sulfide-hydroxide niobium-rich mineral with the formula (Nb,Mo)S2•(Mg1-xAlx)(OH)2+x. It is unique because niobium is usually found in oxide or, eventually, silicate minerals. Ekplexite is a case in which chalcophile behaviour of niobium is shown, which means niobium present in a sulfide mineral. The unique combination of elements in ekplexite has to do with its name, which comes from a Greek world on "surprise". The other example of chalcophile behaviour of niobium is edgarite, FeNb3S6, and both minerals were found in the same environment, which is a fenitic rock of Mt. Kaskasnyunchorr, Khibiny Massif, Kola Peninsula, Russia. Analysis of the same rock has revealed the presence of two analogues of ekplexite, (molybdenum-analogue) and (molybdenum- and manganese-analog (en)
foaf:name	Ekplexite (en)
name	Ekplexite (en)
dcterms:subject	Minerals in space group 150 Magnesium minerals Trigonal minerals Niobium minerals Sulfide minerals Hydroxide minerals Minerals in space group 164 Minerals in space group 156
Wikipage page ID	49643772 (xsd:integer)
Wikipage revision ID	1071651890 (xsd:integer)
Link from a Wikipage to another Wikipage	Pyrite Minerals in space group 150 Hydroxide dbr:Molybdenum Oxide Orthoclase Magnesium Manganese Fenite Magnesium minerals Aluminium Fluorophlogopite Niobium Tungsten Vanadium Iron Trigonal minerals Niobium minerals Sulfide minerals Hydroxide minerals Minerals in space group 164 Sulfide Sulfur Minerals in space group 156 Silicate Kola Peninsula Chalcophile Nepheline Sulfide mineral Molybdenite Tungstenite Trigonal Khibiny Massif Alabandine dbr:Anorthoclasee dbr:Kaskasite dbr:Manganokaskasite
sameAs	Ekplexite Ekplexite Ekplexite Ekplexite Ekplexite
tenacity	Flexible (en)
unit cell	Z = 2 (en) a = 3.79, c = 11.3 [Å] (en)
dbp:wikiPageUsesTemplate	dbt:Chem2 dbt:Overline dbt:Reflist dbt:Technical dbt:Infobox_mineral dbt:Mineral-stub
category	Sulfide mineral
class	180.0 (second)
color	Iron-black (en)
density	3.630000 (xsd:double)
symmetry	P321, P3m1, Pm1 (en)
system	Trigonal
has abstract	L'ekplexita és un mineral que pertany al . El seu nom prové del grec «ekpelxis» (έκπληξις), que significa sorpresa, en al·lusió a la sorprenent combinació d'elements de la seva fórmula química. (ca) Ekplexite is a unique sulfide-hydroxide niobium-rich mineral with the formula (Nb,Mo)S2•(Mg1-xAlx)(OH)2+x. It is unique because niobium is usually found in oxide or, eventually, silicate minerals. Ekplexite is a case in which chalcophile behaviour of niobium is shown, which means niobium present in a sulfide mineral. The unique combination of elements in ekplexite has to do with its name, which comes from a Greek world on "surprise". The other example of chalcophile behaviour of niobium is edgarite, FeNb3S6, and both minerals were found in the same environment, which is a fenitic rock of Mt. Kaskasnyunchorr, Khibiny Massif, Kola Peninsula, Russia. Analysis of the same rock has revealed the presence of two analogues of ekplexite, (molybdenum-analogue) and (molybdenum- and manganese-analogue). All three minerals belong to the valleriite group, and crystallize in the trigonal system with similar possible space groups. (en) Ekplexita mineral bat da eta valleriite taldearen kidea da. (eu)
cleavage	{001}, perfect (en)
diaphaneity	Opaque (en)
habit	micaceous flakes , in lenticular nests (en)
IMAsymbol	Ekp (en)
impurities	W, V, Fe (en)
luster	Metallic (en)
mohs	1 (xsd:integer)
pleochroism	light gray to dark gray (en)
gold:hypernym	Mineral
prov:wasDerivedFrom	wikipedia-en:Ekplexite?oldid=1071651890&ns=0
page length (characters) of wiki page	5892 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Ekplexite
is Link from a Wikipage to another Wikipage of	List of mineral symbols List of minerals recognized by the International Mineralogical Association (E)
is foaf:primaryTopic of	wikipedia-en:Ekplexite

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