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Statements

Subject Item
dbr:Keyite
rdf:type
dbo:ChemicalSubstance wikidata:Q7946 n12:ChemicalObject yago:Abstraction100002137 yago:Mineral114662574 yago:WikicatCadmiumMinerals yago:PhysicalEntity100001930 yago:Relation100031921 owl:Thing yago:Matter100020827 yago:WikicatCopperMinerals dbo:Mineral yago:Part113809207 yago:WikicatArsenateMinerals yago:Substance100019613 yago:Material114580897 yago:WikicatZincMinerals
rdfs:label
Keyite Keyita Keyit Keyite Keyita
rdfs:comment
La keyite è un minerale. Keyit ist ein sehr selten vorkommendes Mineral aus der Mineralklasse der „Phosphate, Arsenate und Vanadate“. Er kristallisiert im monoklinen Kristallsystem mit der chemischen Zusammensetzung Cu2+3(Zn,Cu2+)4Cd2(AsO4)6(H2O)2 und ist damit chemisch gesehen ein wasserhaltiges Cadmium-Zink-Kupfer-Arsenat. Keyit entwickelt bis 2 mm große, spitz zulaufende Kristalle, die prismatisch nach [001] bis tafelig nach {010} ausgebildet sind und zu subparallelen bis garbenförmigen Aggregaten zusammentreten. Größere „Kristalle“ stellen Aggregate aus in subparalleler Position verwachsenen Täfelchen dar. La keyita és un mineral de la classe dels fosfats, que pertany al grup de l'alluaudita. Rep el nom en honor d'un important distribuïdor de minerals nord-americà, Charles Locke Key (1935-). Keyite is a mineral with the chemical formula Cu2+3Zn4Cd2(AsO4)6 · 2H2O. The name comes from Charles Locke Key (born 1935), an American mineral dealer who furnished its first specimens.Keyite is monoclinic-prismatic, meaning its crystal form has three unequal axes, two of which have 90° angles between them and one with an angle less than 90°.Keyite belongs to the biaxial optical class, meaning it has more than one axis of anisotropy (optic axis), in which light travels with zero birefringence, and three indices of refraction, nα = 1.800, nβ, and nγ = 1.870. Being a very rare cadmium copper arsenate, keyite is only found in Tsumeb, Namibia in the Tsumeb mine, a world-famous copper mine known for its abundance of rare and unusual minerals. Keyita fosfato motako minerala da eta alluaudita taldearen kidea da.
foaf:name
Keyite
dbp:name
Keyite
foaf:depiction
n11:Keyite-91228.jpg
dcterms:subject
dbc:Minerals_in_space_group_15 dbc:Copper(II)_minerals dbc:Cadmium_minerals dbc:Minerals_described_in_1977 dbc:Monoclinic_minerals dbc:Zinc_minerals dbc:Arsenate_minerals
dbo:wikiPageID
28851892
dbo:wikiPageRevisionID
1100318247
dbo:wikiPageWikiLink
dbc:Minerals_in_space_group_15 dbr:Tsumeb dbr:Namibia dbc:Cadmium_minerals dbc:Copper(II)_minerals dbc:Zinc_minerals dbc:Minerals_described_in_1977 dbc:Monoclinic_minerals dbc:Arsenate_minerals dbr:H-M_symbol dbr:Arsenate_minerals dbr:Monoclinic dbr:Adamite
owl:sameAs
dbpedia-eu:Keyita wikidata:Q3814879 freebase:m.0dd8qp6 dbpedia-de:Keyit n20:3Wz3m yago-res:Keyite dbpedia-it:Keyite dbpedia-ca:Keyita
dbp:streak
light blue
dbp:strunz
8
dbp:unitCell
b = 12.780 Å a = 11.654 Å β = 99.11°; Z = 2 c = 6.840 Å
dbp:wikiPageUsesTemplate
dbt:Infobox_mineral dbt:Reflist dbt:Chem2 dbt:Mineral-stub
dbo:thumbnail
n11:Keyite-91228.jpg?width=300
dbp:caption
Keyite on adamite
dbp:category
dbr:Arsenate_minerals
dbp:class
Prismatic
dbp:color
azure/ blue
dbp:density
5.106
dbp:imagesize
260
dbp:symmetry
I2/a
dbp:system
dbr:Monoclinic
dbo:abstract
Keyit ist ein sehr selten vorkommendes Mineral aus der Mineralklasse der „Phosphate, Arsenate und Vanadate“. Er kristallisiert im monoklinen Kristallsystem mit der chemischen Zusammensetzung Cu2+3(Zn,Cu2+)4Cd2(AsO4)6(H2O)2 und ist damit chemisch gesehen ein wasserhaltiges Cadmium-Zink-Kupfer-Arsenat. Keyit entwickelt bis 2 mm große, spitz zulaufende Kristalle, die prismatisch nach [001] bis tafelig nach {010} ausgebildet sind und zu subparallelen bis garbenförmigen Aggregaten zusammentreten. Größere „Kristalle“ stellen Aggregate aus in subparalleler Position verwachsenen Täfelchen dar. Keyita fosfato motako minerala da eta alluaudita taldearen kidea da. La keyite è un minerale. Keyite is a mineral with the chemical formula Cu2+3Zn4Cd2(AsO4)6 · 2H2O. The name comes from Charles Locke Key (born 1935), an American mineral dealer who furnished its first specimens.Keyite is monoclinic-prismatic, meaning its crystal form has three unequal axes, two of which have 90° angles between them and one with an angle less than 90°.Keyite belongs to the biaxial optical class, meaning it has more than one axis of anisotropy (optic axis), in which light travels with zero birefringence, and three indices of refraction, nα = 1.800, nβ, and nγ = 1.870. Being a very rare cadmium copper arsenate, keyite is only found in Tsumeb, Namibia in the Tsumeb mine, a world-famous copper mine known for its abundance of rare and unusual minerals. La keyita és un mineral de la classe dels fosfats, que pertany al grup de l'alluaudita. Rep el nom en honor d'un important distribuïdor de minerals nord-americà, Charles Locke Key (1935-).
dbp:birefringence
0.07000000000000001
dbp:cleavage
good cleavage
dbp:diaphaneity
translucent
dbp:habit
prismatic, tabular
dbp:imasymbol
Key
dbp:mohs
3.5
dbp:molweight
1520.19
dbp:opticalprop
biaxial
dbp:pleochroism
x: pale blue, y: greenish blue, z: deep blue
dbp:refractive
nα = 1.800, nβ, and nγ = 1.870
gold:hypernym
dbr:Mineral
prov:wasDerivedFrom
wikipedia-en:Keyite?oldid=1100318247&ns=0
dbo:wikiPageLength
3538
foaf:isPrimaryTopicOf
wikipedia-en:Keyite