About: Bettertonite

An Entity of Type: mineral, from Named Graph: http://dbpedia.org, within Data Space: dbpedia.org

Bettertonite is a mineral of the arsenate category, named after John Betterton. He was a museum geologist and mineralogist at Haslemere Educational Museum in Surrey, England. Bettertonite is a white arsenate mineral with a formula of [Al6(AsO4)3(OH)9(H2O)5]・11H2O. Bettertonite is in the monoclinic system and has a heteropolyhedral layered structure type. It is a natural forming polyoxometalate. Bettertonite forms in clusters of radiating rectangular laths. Laths are thin and usually < 20 μm laterally. Laths are flat on {010}. Bettertonite is similar to penberthycroftyite and it transforms into penberthycroftyite at low temperatures (67-97 ℃).

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dbo:abstract
  • La bettertonita és un mineral de la classe dels arsenats. Rep el nom en honor de John Betterton (Londres, 1959), geòleg i mineralogista del museu educatiu Haslemere, a Surrey, Anglaterra, per les seves extenses contribucions a la caracterització de minerals de la mina de Penberthy Croft durant més de 30 anys. (ca)
  • Bettertonite is a mineral of the arsenate category, named after John Betterton. He was a museum geologist and mineralogist at Haslemere Educational Museum in Surrey, England. Bettertonite is a white arsenate mineral with a formula of [Al6(AsO4)3(OH)9(H2O)5]・11H2O. Bettertonite is in the monoclinic system and has a heteropolyhedral layered structure type. It is a natural forming polyoxometalate. Bettertonite forms in clusters of radiating rectangular laths. Laths are thin and usually < 20 μm laterally. Laths are flat on {010}. Bettertonite is similar to penberthycroftyite and it transforms into penberthycroftyite at low temperatures (67-97 ℃). (en)
  • Bettertonita mineral bat da. (eu)
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  • 62027032 (xsd:integer)
dbo:wikiPageLength
  • 5052 (xsd:nonNegativeInteger)
dbo:wikiPageRevisionID
  • 1094917311 (xsd:integer)
dbo:wikiPageWikiLink
dbp:birefringence
  • δ = 0.012 (en)
dbp:category
dbp:class
  • Prismatic (en)
dbp:cleavage
  • Perfect cleavage on {010} (en)
dbp:color
  • White (en)
dbp:diaphaneity
  • Translucent (en)
dbp:formula
  • [Al6395]・11H2O (en)
dbp:fracture
  • Not observed (en)
dbp:gravity
  • 2.02
dbp:habit
  • Ultrathin rectangular laths (en)
dbp:imasymbol
  • Bet (en)
dbp:luster
  • Vitreous, Silky, Pearly (en)
dbp:mohs
  • Not observed (en)
dbp:molweight
  • 77.470000 (xsd:double)
dbp:name
  • Bettertonite (en)
dbp:opticalprop
  • Biaxial positive α = 1.511 , β = 1.517 , γ = 1.523 (en)
dbp:pleochroism
  • Non-pleochroic (en)
dbp:prop
  • Group (en)
dbp:prop1text
  • Arsenates (en)
dbp:refractive
  • Not observed (en)
dbp:streak
  • White (en)
dbp:symmetry
  • 2 (xsd:integer)
dbp:system
dbp:tenacity
  • Not observed (en)
dbp:twinning
  • Not observed (en)
dbp:unitCell
  • a = 7.773 Å; b = 26.991 Å; c = 15.867 Å; β = 94.22° (en)
dbp:wikiPageUsesTemplate
dcterms:subject
rdf:type
rdfs:comment
  • La bettertonita és un mineral de la classe dels arsenats. Rep el nom en honor de John Betterton (Londres, 1959), geòleg i mineralogista del museu educatiu Haslemere, a Surrey, Anglaterra, per les seves extenses contribucions a la caracterització de minerals de la mina de Penberthy Croft durant més de 30 anys. (ca)
  • Bettertonite is a mineral of the arsenate category, named after John Betterton. He was a museum geologist and mineralogist at Haslemere Educational Museum in Surrey, England. Bettertonite is a white arsenate mineral with a formula of [Al6(AsO4)3(OH)9(H2O)5]・11H2O. Bettertonite is in the monoclinic system and has a heteropolyhedral layered structure type. It is a natural forming polyoxometalate. Bettertonite forms in clusters of radiating rectangular laths. Laths are thin and usually < 20 μm laterally. Laths are flat on {010}. Bettertonite is similar to penberthycroftyite and it transforms into penberthycroftyite at low temperatures (67-97 ℃). (en)
  • Bettertonita mineral bat da. (eu)
rdfs:label
  • Bettertonite (en)
  • Bettertonita (ca)
  • Bettertonita (eu)
owl:sameAs
prov:wasDerivedFrom
foaf:isPrimaryTopicOf
foaf:name
  • Bettertonite (en)
is dbo:wikiPageWikiLink of
is foaf:primaryTopic of
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