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Statements

Subject Item
dbr:Beraunite
rdf:type
yago:Substance100019613 dbo:Mineral yago:Abstraction100002137 yago:Matter100020827 owl:Thing yago:Relation100031921 n15:ChemicalObject dbo:ChemicalSubstance yago:Part113809207 yago:WikicatHydroxideMinerals yago:WikicatIronMinerals yago:WikicatPhosphateMinerals yago:Material114580897 yago:WikicatMonoclinicMinerals yago:Mineral114662574 yago:PhysicalEntity100001930 wikidata:Q7946
rdfs:label
Beraunita Beraunita Берауніт Beraunite Beraunite Beraunita Beraunit Béraunite
rdfs:comment
Beraunita mineral bat da. Beraunit ist ein eher seltenes Mineral der Mineralklasse der Phosphate, Arsenate und Vanadate mit der chemischen Zusammensetzung Fe2+Fe3+5[(OH)5|(PO4)4]·6H2O und ist damit chemisch gesehen ein wasserhaltiges Eisen-Phosphat mit zusätzlichen Hydroxidionen. Beraunit kristallisiert im monoklinen Kristallsystem und entwickelt meist tafelige Kristalle von bis zu einem Zentimeter Größe. Zudem kann er grobe Nadeln in Mineral-Aggregaten ausbilden. Mit einer Mohshärte von 3 bis 4 gehört der Beraunit zu den weichen bis mittelharten Mineralen. La béraunite, est une espèce minérale composée d'hydroxyphosphate de fer hydraté de formule :Fe2+ Fe3+5 ((OH)5 / (PO4)4) .4H2O La beraunite è un minerale. Il nome del minerale deriva dalla località di Beraun nella repubblica Ceca Suo sinonimo è eleonorite. La beraunita es un mineral que procede de la alteración de la vivianita y se presenta en forma de pequeños agregados radiadolaminares de color que varía entre el rojo y el pardo rojizo o pardo verduzco oscuro, pardo verduzco, verde, verde gris. Raya amarilla o de color pardo verde. Brillo vítreo a mate. Tiene una dureza 2 y una densidad 2,90 g/cm³. Expuesto al aire se altera hasta transformarse en limonita. Beraunite is an iron phosphate mineral. It was first described by August Breithaupt for an occurrence in Beraun currently in the Czech Republic. Beraunite occurs as a secondary mineral in iron ore deposits, and as an alteration product of primary phosphate minerals in granite pegmatites. Beraunite crystallizes in the monoclinic crystal system with point group 2/m. Beraunite’s formula is Fe2+ Fe3+5(OH)5(PO4)4·4H2O. Aluminium and zinc may substitute in the structure. Берауніт (рос. бераунит; англ. beraunite; нім. Beraunit m) — мінерал, водний фосфат закисного та окисного заліза. La beraunita és un mineral de la classe dels fosfats que pertany i dona nom al grup de la beraunita. Va ser anomenada així per August Breithaupt amb el nom del lloc on va ser descoberta l'any 1841, a la mina Hrbek, Svatá Dobrotivá, Beroun, Bohèmia Central, República Txeca.
foaf:name
Beraunite
dbp:name
Beraunite
foaf:depiction
n19:Strengite-Beraunite-Hematite-67995.jpg n19:Beraunite-Kidwellite-214676.jpg
dcterms:subject
dbc:Monoclinic_minerals dbc:Iron(II,III)_minerals dbc:Phosphate_minerals dbc:Minerals_in_space_group_15
dbo:wikiPageID
25273140
dbo:wikiPageRevisionID
1071630230
dbo:wikiPageWikiLink
dbr:Monoclinic_crystal_system dbr:Chemical_composition dbc:Phosphate_minerals dbc:Monoclinic_minerals dbr:Pennsylvania dbr:Granite dbr:H-M_symbol dbr:Iron_ore dbr:Pennington_County,_South_Dakota dbr:Pegmatite dbr:Kidwellite dbc:Iron(II,III)_minerals dbr:Monoclinic dbr:Iron dbr:Phosphate_mineral dbr:Point_group dbr:Czech_Republic n20:Strengite-Beraunite-Hematite-67995.jpg dbr:Germany dbr:August_Breithaupt dbr:New_Hampshire dbr:Tetrahedron dbr:Keystone,_South_Dakota dbr:New_Jersey dbr:Arkansas dbr:Nodule_(medicine) dbr:Iron_phosphate dbr:Powder_diffraction dbr:Ireland dbr:Polk_County,_Arkansas dbr:Beraun dbc:Minerals_in_space_group_15 dbr:Phosphate_minerals
owl:sameAs
yago-res:Beraunite wikidata:Q2251934 n13:28GaQ dbpedia-fr:Béraunite dbpedia-es:Beraunita freebase:m.09gl3n_ dbpedia-de:Beraunit dbpedia-it:Beraunite dbpedia-ca:Beraunita dbpedia-uk:Берауніт dbpedia-eu:Beraunita
dbp:streak
Olive-drab when fresh; yellow, brownish yellow on exposure
dbp:strunz
8
dbp:twinning
On {100}, may be interpenetrant
dbp:unitCell
a = 20.953 Å, b = 5.171 Å, c = 19.266 Å; β = 93.34°; Z = 4
dbp:wikiPageUsesTemplate
dbt:Authority_control dbt:Phosphate_minerals dbt:Commonscat-inline dbt:Reflist dbt:Infobox_mineral
dbo:thumbnail
n19:Beraunite-Kidwellite-214676.jpg?width=300
dbp:caption
Crystalline Beraunite on green Kidwellite, Coon Creek Mine, Polk County, Arkansas, USA. Size: 3.4 x 3.3 x 2.8 cm
dbp:category
dbr:Phosphate_minerals
dbp:class
Prismatic
dbp:color
Dull greenish to greenish brown when fresh, may be color banded; reddish brown to hyacinth-red, blood-red on exposure
dbp:gravity
2.8
dbp:imagesize
260
dbp:symmetry
C2/c
dbp:system
dbr:Monoclinic
dbp:2v
Measured: 30° to 60°, Calculated: 66°
dbo:abstract
La béraunite, est une espèce minérale composée d'hydroxyphosphate de fer hydraté de formule :Fe2+ Fe3+5 ((OH)5 / (PO4)4) .4H2O Берауніт (рос. бераунит; англ. beraunite; нім. Beraunit m) — мінерал, водний фосфат закисного та окисного заліза. Beraunite is an iron phosphate mineral. It was first described by August Breithaupt for an occurrence in Beraun currently in the Czech Republic. Beraunite occurs as a secondary mineral in iron ore deposits, and as an alteration product of primary phosphate minerals in granite pegmatites. Beraunite crystallizes in the monoclinic crystal system with point group 2/m. Beraunite’s formula is Fe2+ Fe3+5(OH)5(PO4)4·4H2O. Aluminium and zinc may substitute in the structure. Beraunit ist ein eher seltenes Mineral der Mineralklasse der Phosphate, Arsenate und Vanadate mit der chemischen Zusammensetzung Fe2+Fe3+5[(OH)5|(PO4)4]·6H2O und ist damit chemisch gesehen ein wasserhaltiges Eisen-Phosphat mit zusätzlichen Hydroxidionen. Beraunit kristallisiert im monoklinen Kristallsystem und entwickelt meist tafelige Kristalle von bis zu einem Zentimeter Größe. Zudem kann er grobe Nadeln in Mineral-Aggregaten ausbilden. Mit einer Mohshärte von 3 bis 4 gehört der Beraunit zu den weichen bis mittelharten Mineralen. La beraunita és un mineral de la classe dels fosfats que pertany i dona nom al grup de la beraunita. Va ser anomenada així per August Breithaupt amb el nom del lloc on va ser descoberta l'any 1841, a la mina Hrbek, Svatá Dobrotivá, Beroun, Bohèmia Central, República Txeca. La beraunita es un mineral que procede de la alteración de la vivianita y se presenta en forma de pequeños agregados radiadolaminares de color que varía entre el rojo y el pardo rojizo o pardo verduzco oscuro, pardo verduzco, verde, verde gris. Raya amarilla o de color pardo verde. Brillo vítreo a mate. Tiene una dureza 2 y una densidad 2,90 g/cm³. Expuesto al aire se altera hasta transformarse en limonita. Beraunita mineral bat da. La beraunite è un minerale. Il nome del minerale deriva dalla località di Beraun nella repubblica Ceca Suo sinonimo è eleonorite.
dbp:birefringence
δ = 0.040
dbp:cleavage
On {100}, good
dbp:diaphaneity
Translucent
dbp:formula
Fe2+ Fe3+554·4H2O
dbp:habit
Tabular crystals common, may be in coarse radially fibrous aggregates, globular or discoidal, and in crusts
dbp:imasymbol
Bru
dbp:luster
Vitreous, pearly on cleavages, resinous on fractures
dbp:mohs
3
dbp:opticalprop
Biaxial
dbp:pleochroism
X = pale flesh-pink, yellow, blue-green; Y = pale flesh-pink, yellow, pale olive-green; Z = carnelian-red, reddish brown, olive-green.
dbp:refractive
nα = 1.775 nβ = 1.786 nγ = 1.815
gold:hypernym
dbr:Mineral
prov:wasDerivedFrom
wikipedia-en:Beraunite?oldid=1071630230&ns=0
dbo:wikiPageLength
5985
foaf:isPrimaryTopicOf
wikipedia-en:Beraunite