Khomyakovite (original) (raw)

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La khomyakovita és un mineral de la classe dels silicats, que pertany al . Rep el nom en honor d'Alexander Petrovich Khomyakov (Moscou, 2 d'abril de 1933 - 12 d'octubre de 2012), de l'Institut de Mineralogia, Geoquímica i Química de cristalls d'elements rars, per les seves extenses contribucions a la mineralogia i la geoquímica de les roques alcalines. Va descriure 101 espècies minerals i va ser autor principal de 80 descripcions.

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dbo:abstract La khomyakovita és un mineral de la classe dels silicats, que pertany al . Rep el nom en honor d'Alexander Petrovich Khomyakov (Moscou, 2 d'abril de 1933 - 12 d'octubre de 2012), de l'Institut de Mineralogia, Geoquímica i Química de cristalls d'elements rars, per les seves extenses contribucions a la mineralogia i la geoquímica de les roques alcalines. Va descriure 101 espècies minerals i va ser autor principal de 80 descripcions. (ca) Khomyakovita silikato motako minerala da eta eudialyte taldearen kidea da. (eu) Khomyakovite is an exceedingly rare mineral of the eudialyte group, with formula Na12Sr3Ca6Fe3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2. The original formula was extended to show the presence of both the cyclic silicate groups and M4-site silicon, according to the nomenclature of the eudialyte group. Some niobium substitutes for tungsten in khomyakovite. Khomyakovite is an iron-analogue of manganokhomyakovite, the second mineral being a bit more common. The two minerals are the only group representatives, beside taseqite, with species-defining strontium, although many other members display strontium diadochy. Khomyakovite is the third eudialyte-group mineral with essential tungsten (after johnsenite-(Ce) and manganokhomyakovite). (en) La khomyakovite è un minerale appartenente al gruppo dell'eudialite. (it)
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dbo:wikiPageLength 4286 (xsd:nonNegativeInteger)
dbo:wikiPageRevisionID 1097341781 (xsd:integer)
dbo:wikiPageWikiLink dbr:Potassium dbc:Cyclosilicates dbc:Minerals_in_space_group_160 dbc:Zirconium_minerals dbc:Tungsten_minerals dbr:Johnsenite-(Ce) dbr:Cyclosilicate dbr:Mont_Saint-Hilaire dbr:Magnesium dbr:Manganese dbr:Manganokhomyakovite dbr:Strontium dbr:Hafnium dbc:Strontium_minerals dbr:Titanium dbr:Aluminium dbr:Eudialyte_group dbr:Niobium dbr:Tungsten dbr:Taseqite dbc:Sodium_minerals dbc:Trigonal_minerals dbc:Calcium_minerals dbc:Iron_minerals dbr:Oneillite dbr:H-M_symbol dbr:Silicate_mineral dbr:Trigonal dbr:Rare_earth_elements
dbp:category dbr:Cyclosilicate dbr:Silicate_mineral
dbp:class dbr:H-M_symbol Ditrigonal pyramidal (en)
dbp:cleavage None (en)
dbp:color Orange to orange-red (en)
dbp:dana 64.100000 (xsd:double)
dbp:density 3.140000 (xsd:double)
dbp:diaphaneity Transparent to translucent (en)
dbp:fracture Uneven (en)
dbp:habit aggregates (en)
dbp:imasymbol Kmy (en)
dbp:luster Vitreous (en)
dbp:mohs 5 (xsd:integer)
dbp:name Khomyakovite (en)
dbp:opticalprop Uniaxial (en)
dbp:pleochroism None (en)
dbp:refractive nω=1.63, nε=1.63 (en)
dbp:streak White (en)
dbp:strunz 9 (xsd:integer) (8/E.23-30 ) (en)
dbp:symmetry 180.0
dbp:system dbr:Trigonal
dbp:tenacity Brittle (en)
dbp:unitCell a = 14.30, c = 30.08 [Å] ; Z = 3 (en)
dbp:wikiPageUsesTemplate dbt:Chem2 dbt:Reflist dbt:Short_description dbt:Infobox_mineral dbt:Silicate-mineral-stub
dcterms:subject dbc:Cyclosilicates dbc:Minerals_in_space_group_160 dbc:Zirconium_minerals dbc:Tungsten_minerals dbc:Strontium_minerals dbc:Sodium_minerals dbc:Trigonal_minerals dbc:Calcium_minerals dbc:Iron_minerals
rdf:type owl:Thing dul:ChemicalObject dbo:ChemicalSubstance wikidata:Q7946 dbo:Mineral
rdfs:comment La khomyakovita és un mineral de la classe dels silicats, que pertany al . Rep el nom en honor d'Alexander Petrovich Khomyakov (Moscou, 2 d'abril de 1933 - 12 d'octubre de 2012), de l'Institut de Mineralogia, Geoquímica i Química de cristalls d'elements rars, per les seves extenses contribucions a la mineralogia i la geoquímica de les roques alcalines. Va descriure 101 espècies minerals i va ser autor principal de 80 descripcions. (ca) Khomyakovita silikato motako minerala da eta eudialyte taldearen kidea da. (eu) Khomyakovite is an exceedingly rare mineral of the eudialyte group, with formula Na12Sr3Ca6Fe3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2. The original formula was extended to show the presence of both the cyclic silicate groups and M4-site silicon, according to the nomenclature of the eudialyte group. Some niobium substitutes for tungsten in khomyakovite. Khomyakovite is an iron-analogue of manganokhomyakovite, the second mineral being a bit more common. The two minerals are the only group representatives, beside taseqite, with species-defining strontium, although many other members display strontium diadochy. Khomyakovite is the third eudialyte-group mineral with essential tungsten (after johnsenite-(Ce) and manganokhomyakovite). (en) La khomyakovite è un minerale appartenente al gruppo dell'eudialite. (it)
rdfs:label Khomyakovita (ca) Khomyakovita (eu) Khomyakovite (it) Khomyakovite (en)
owl:sameAs yago-res:Khomyakovite wikidata:Khomyakovite dbpedia-ca:Khomyakovite dbpedia-eu:Khomyakovite dbpedia-it:Khomyakovite https://global.dbpedia.org/id/3XHft
prov:wasDerivedFrom wikipedia-en:Khomyakovite?oldid=1097341781&ns=0
foaf:depiction wiki-commons:Special:FilePath/Khomyakovite-166793.jpg
foaf:isPrimaryTopicOf wikipedia-en:Khomyakovite
foaf:name Khomyakovite (en)
is dbo:wikiPageWikiLink of dbr:Johnsenite-(Ce) dbr:List_of_mineral_symbols dbr:List_of_minerals_named_after_people dbr:List_of_minerals_recognized_by_the_International_Mineralogical_Association_(K) dbr:Manganokhomyakovite dbr:Feklichevite dbr:Eudialyte_group dbr:Taseqite dbr:Classification_of_silicate_minerals
is foaf:primaryTopic of wikipedia-en:Khomyakovite