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Perite is a mineral that has a general chemical formula of PbBiO2Cl. The name is given for Per Adolf Geijer, a Swedish economic geologist with the Geological Survey of Sweden, who discovered the mineral in 1960 outside of Langban, Sweden. Perite is orthorhombic, space group Cmcm {C2/m 2/c 21/m}. In terms of its optical properties, Perite is anisotropic which means the velocity of light varies depending on direction through the mineral (i.e. it is birefringent). Its calculated relief is 1.45-1.461, which is moderate. It is colorless in plane polarized light, and it is weakly pleochroic. Perite is found in areas near igneous extrusions in places like the Western United States, Southern Australia, and scattered around Europe.

AttributesValues
rdf:type
rdfs:label
  • Perita (ca)
  • Perita (eu)
  • Perite (it)
  • Perite (en)
  • Перит (ru)
  • Перит (uk)
rdfs:comment
  • Perita haluro motako minerala da eta nadorita taldearen kidea da. (eu)
  • Perite is a mineral that has a general chemical formula of PbBiO2Cl. The name is given for Per Adolf Geijer, a Swedish economic geologist with the Geological Survey of Sweden, who discovered the mineral in 1960 outside of Langban, Sweden. Perite is orthorhombic, space group Cmcm {C2/m 2/c 21/m}. In terms of its optical properties, Perite is anisotropic which means the velocity of light varies depending on direction through the mineral (i.e. it is birefringent). Its calculated relief is 1.45-1.461, which is moderate. It is colorless in plane polarized light, and it is weakly pleochroic. Perite is found in areas near igneous extrusions in places like the Western United States, Southern Australia, and scattered around Europe. (en)
  • La perite è un minerale appartenente al gruppo della nadorite; venne scoperto nel 1960 dallo svedese Per Adolf Geijer, geologo economico dello Sveriges geologiska undersökning (in italiano: Istituto di ricerca geologica svedese), nei pressi di , in Svezia. La perite è isostrutturale con la nadorite e la telluroperite, la prima si ottiene sostituendo i due atomi di Bi3+ con due atomi di Sb3+ mentre la seconda si ottiene sostituendoli con un atomo di Pb2+ ed un atomo di Te4+. Ha una struttura cristallina ortorombica e appartiene al gruppo spaziale Cmcm. È anisotropica. (it)
  • Перит (perite) — минерал. Химическая формула PbBiO2Cl. Назван по имени шведского геолога и петрографа (1886—1976). (ru)
  • Перит (рос. перит; англ. perite; нім. Perit m) — мінерал, оксихлорид свинцю і бісмуту. За ім'ям швед. геолога Пера Геєра (Per Geijer), M.H.Gillberg, 1961). (uk)
  • La perita és un mineral de plom, bismut, oxigen i clor, químicament és una oxisal, un oxiclorur de fórmula química PbBiO₂Cl, de color groc, una duresa de 3 una densitat de 8,16-8,24 g/cm³, cristal·litza en el sistema ortoròmbic. El seu nom fou fa honor a (1886–1976), geòleg suec del Servei Geològic de Suècia. Fou descoberta per M. Gillberg el 1960 a Långban, Suècia. (ca)
foaf:name
  • Perite (en)
name
  • Perite (en)
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/Perite_(olive_green).jpg
dcterms:subject
Wikipage page ID
Wikipage revision ID
Link from a Wikipage to another Wikipage
sameAs
streak
  • Yellow (en)
strunz
unit cell
  • a = 5.62 Å, b = 5.57 Å, (en)
  • c = 12.42 Å; Z = 4 (en)
dbp:wikiPageUsesTemplate
thumbnail
caption
  • Perite, from Blue Bell Claim, San Bernardino County, California, United States of America (en)
category
class
color
  • Yellow (en)
gravity
symmetry
  • Bmmb (en)
system
has abstract
  • La perita és un mineral de plom, bismut, oxigen i clor, químicament és una oxisal, un oxiclorur de fórmula química PbBiO₂Cl, de color groc, una duresa de 3 una densitat de 8,16-8,24 g/cm³, cristal·litza en el sistema ortoròmbic. El seu nom fou fa honor a (1886–1976), geòleg suec del Servei Geològic de Suècia. Fou descoberta per M. Gillberg el 1960 a Långban, Suècia. Segons la classificació de Nickel-Strunz, la perita pertany a "03.DC - Oxihalurs, hidroxihalurs i halurs amb doble enllaç, amb Pb (As,Sb,Bi), sense Cu" juntament amb els següents minerals: laurionita, paralaurionita, fiedlerita, penfieldita, laurelita, bismoclita, daubreeita, matlockita, rorisita, zavaritskita, zhangpeishanita, nadorita, aravaipaïta, calcioaravaipaïta, thorikosita, mereheadita, blixita, pinalita, symesita, ecdemita, heliofil·lita, mendipita, damaraïta, onoratoïta, cotunnita, pseudocotunnita i barstowita. (ca)
  • Perita haluro motako minerala da eta nadorita taldearen kidea da. (eu)
  • Perite is a mineral that has a general chemical formula of PbBiO2Cl. The name is given for Per Adolf Geijer, a Swedish economic geologist with the Geological Survey of Sweden, who discovered the mineral in 1960 outside of Langban, Sweden. Perite is orthorhombic, space group Cmcm {C2/m 2/c 21/m}. In terms of its optical properties, Perite is anisotropic which means the velocity of light varies depending on direction through the mineral (i.e. it is birefringent). Its calculated relief is 1.45-1.461, which is moderate. It is colorless in plane polarized light, and it is weakly pleochroic. Perite is found in areas near igneous extrusions in places like the Western United States, Southern Australia, and scattered around Europe. (en)
  • La perite è un minerale appartenente al gruppo della nadorite; venne scoperto nel 1960 dallo svedese Per Adolf Geijer, geologo economico dello Sveriges geologiska undersökning (in italiano: Istituto di ricerca geologica svedese), nei pressi di , in Svezia. La perite è isostrutturale con la nadorite e la telluroperite, la prima si ottiene sostituendo i due atomi di Bi3+ con due atomi di Sb3+ mentre la seconda si ottiene sostituendoli con un atomo di Pb2+ ed un atomo di Te4+. Ha una struttura cristallina ortorombica e appartiene al gruppo spaziale Cmcm. È anisotropica. (it)
  • Перит (perite) — минерал. Химическая формула PbBiO2Cl. Назван по имени шведского геолога и петрографа (1886—1976). (ru)
  • Перит (рос. перит; англ. perite; нім. Perit m) — мінерал, оксихлорид свинцю і бісмуту. За ім'ям швед. геолога Пера Геєра (Per Geijer), M.H.Gillberg, 1961). (uk)
cleavage
  • Fair on {001} (en)
diaphaneity
  • Translucent (en)
formula
  • PbBiO2Cl (en)
habit
  • Platey crystals, pseudotetragonal (en)
IMAsymbol
  • Pe (en)
luster
  • Adamantine (en)
mohs
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