About: Rakovanite

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Rakovanite, Na3{H3[V10O28]}•15H20, is a member of the pascoite family. It is a transparent, brittle mineral occurring in the monoclinic crystal system. It is orange in color and has an orange-yellow colored streak. Rakovanite is soft with a Mohs hardness of 1 and a calculated density of 2.407g cm−3. It does not fluoresce in long- or short-wave ultraviolet radiation. Rakovanite crystals are up to one mm in maximum dimension and vary in habit from blocky to prismatic on [001], commonly exhibiting steps and striations parallel to [001]. Its name honors John Rakovan, professor, Department of Geology and Environmental Earth Science, Miami University.

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dbo:abstract
  • La rakovanita és un mineral de la classe dels òxids, que pertany al . Rep el nom en honor del professor John Rakovan (n. 1964) de la Universitat de Miami a Oxford, Ohio, per les seves contribucions al camp de la mineralogia. (ca)
  • Rakovanita mineral bat da eta pascoita taldearen kidea da. (eu)
  • Rakovanite, Na3{H3[V10O28]}•15H20, is a member of the pascoite family. It is a transparent, brittle mineral occurring in the monoclinic crystal system. It is orange in color and has an orange-yellow colored streak. Rakovanite is soft with a Mohs hardness of 1 and a calculated density of 2.407g cm−3. It does not fluoresce in long- or short-wave ultraviolet radiation. Rakovanite crystals are up to one mm in maximum dimension and vary in habit from blocky to prismatic on [001], commonly exhibiting steps and striations parallel to [001]. Its name honors John Rakovan, professor, Department of Geology and Environmental Earth Science, Miami University. (en)
dbo:thumbnail
dbo:wikiPageID
  • 48120597 (xsd:integer)
dbo:wikiPageLength
  • 6239 (xsd:nonNegativeInteger)
dbo:wikiPageRevisionID
  • 1104388206 (xsd:integer)
dbo:wikiPageWikiLink
dbp:2v
  • 2 (xsd:integer)
dbp:birefringence
  • δ = 0.134 (en)
dbp:boxwidth
  • 330 (xsd:integer)
dbp:caption
  • Well formed rakovanite crystals from the type locality: Sunday Mine, Slick Rock Mining District, San Miguel County, Colorado. (en)
dbp:category
  • Pascoite family (en)
dbp:class
  • Prismatic (en)
dbp:color
  • Orange (en)
dbp:dana
  • 40.400000 (xsd:double)
dbp:diaphaneity
  • Transparent (en)
dbp:dispersion
  • r < v, strong parallel (en)
dbp:formula
  • Na3{H3[V10O28]}•15H2O (en)
dbp:fracture
  • Conchodial (en)
dbp:gravity
  • 2.407000 (xsd:double)
dbp:habit
  • Blocky to prismatic on [100] (en)
dbp:imasymbol
  • Rkv (en)
dbp:luster
  • Subadamantine (en)
dbp:mohs
  • 1 (xsd:integer)
dbp:name
  • Rakovanite (en)
dbp:opticalprop
  • Biaxial (en)
dbp:other
  • Orientation: X + b; Z Λ c= 8° in obtuse β (en)
  • Surface relief: very high (en)
  • It does not fluorescence in long- or short-wave ultraviolent radiation. (en)
dbp:pleochroism
  • X light yellow, Y orangish yellow, Z yellowish orange, Z > Y> X (en)
dbp:refractive
  • α589nm = 1.776 (en)
  • β589nm = 1.803 (en)
  • γ589nm = 1.910 (en)
dbp:streak
  • Orange-yellow (en)
dbp:strunz
  • 8 (xsd:integer)
dbp:symmetry
  • P21/n (en)
dbp:system
dbp:tenacity
  • Brittle (en)
dbp:unitCell
  • a = 12.0248, (en)
  • b = 17.121, (en)
  • c = 18.140 Å, (en)
  • β 106.242°; Z = 4 (en)
dbp:wikiPageUsesTemplate
dcterms:subject
gold:hypernym
rdf:type
rdfs:comment
  • La rakovanita és un mineral de la classe dels òxids, que pertany al . Rep el nom en honor del professor John Rakovan (n. 1964) de la Universitat de Miami a Oxford, Ohio, per les seves contribucions al camp de la mineralogia. (ca)
  • Rakovanita mineral bat da eta pascoita taldearen kidea da. (eu)
  • Rakovanite, Na3{H3[V10O28]}•15H20, is a member of the pascoite family. It is a transparent, brittle mineral occurring in the monoclinic crystal system. It is orange in color and has an orange-yellow colored streak. Rakovanite is soft with a Mohs hardness of 1 and a calculated density of 2.407g cm−3. It does not fluoresce in long- or short-wave ultraviolet radiation. Rakovanite crystals are up to one mm in maximum dimension and vary in habit from blocky to prismatic on [001], commonly exhibiting steps and striations parallel to [001]. Its name honors John Rakovan, professor, Department of Geology and Environmental Earth Science, Miami University. (en)
rdfs:label
  • Rakovanita (ca)
  • Rakovanita (eu)
  • Rakovanite (en)
owl:sameAs
prov:wasDerivedFrom
foaf:depiction
foaf:isPrimaryTopicOf
foaf:name
  • Rakovanite (en)
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is foaf:primaryTopic of
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