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Geigerite is a mineral, a complex hydrous manganese arsenate with formula: Mn5(AsO3OH)2(AsO4)2·10H2O. It forms triclinic pinacoidal, vitreous, colorless to red to brown crystals. It has a Mohs hardness of 3 and a specific gravity of 3.05. It was discovered in Grischun, Switzerland in 1989. It was namedin honor of Thomas Geiger (1886–1976), Wiesendangen, Switzerland, who studied the Falotta manganese ores.

AttributesValues
rdf:type
rdfs:label
  • Geigerita (ca)
  • Geigerite (en)
  • Geigerita (eu)
  • Geigerite (it)
rdfs:comment
  • La geigerita és un mineral de la classe dels fosfats que pertany al . Rep el nom pel doctor Thomas Geiger (1920 - 1990), mineralogista i metal·lúrgic suís de la indústria de la maquinària i especialista en els minerals de manganès i minerals de Falotta i dels Alps Parsettens als quals va dedicar la seva tesi doctoral i una sèrie d’estudis posteriors. (ca)
  • Geigerite is a mineral, a complex hydrous manganese arsenate with formula: Mn5(AsO3OH)2(AsO4)2·10H2O. It forms triclinic pinacoidal, vitreous, colorless to red to brown crystals. It has a Mohs hardness of 3 and a specific gravity of 3.05. It was discovered in Grischun, Switzerland in 1989. It was namedin honor of Thomas Geiger (1886–1976), Wiesendangen, Switzerland, who studied the Falotta manganese ores. (en)
  • Geigerita fosfato motako minerala da eta ondrušite taldearen kidea da. (eu)
  • La geigerite è un minerale. Fu scoperto nel Cantone dei Grigioni, in Svizzera nel 1989. Gli è stato dato il nome in onore di Thomas Geiger (1920–1990), che studiò i minerali di manganese delle Alpi Grigionesi. (it)
foaf:name
  • Geigerite (en)
name
  • Geigerite (en)
dcterms:subject
Wikipage page ID
Wikipage revision ID
Link from a Wikipage to another Wikipage
sameAs
streak
  • White (en)
strunz
tenacity
  • brittle (en)
unit cell
  • a = 7.94 Å, b = 10.69 Å (en)
  • c = 6.77 Å; α = 80.97° (en)
  • β = 84.2°, γ = 81.85°; Z = 1 (en)
dbp:wikiPageUsesTemplate
category
class
  • Pinacoidal (en)
color
  • Red, colorless (en)
gravity
symmetry
  • P (en)
system
2V
has abstract
  • La geigerita és un mineral de la classe dels fosfats que pertany al . Rep el nom pel doctor Thomas Geiger (1920 - 1990), mineralogista i metal·lúrgic suís de la indústria de la maquinària i especialista en els minerals de manganès i minerals de Falotta i dels Alps Parsettens als quals va dedicar la seva tesi doctoral i una sèrie d’estudis posteriors. (ca)
  • Geigerite is a mineral, a complex hydrous manganese arsenate with formula: Mn5(AsO3OH)2(AsO4)2·10H2O. It forms triclinic pinacoidal, vitreous, colorless to red to brown crystals. It has a Mohs hardness of 3 and a specific gravity of 3.05. It was discovered in Grischun, Switzerland in 1989. It was namedin honor of Thomas Geiger (1886–1976), Wiesendangen, Switzerland, who studied the Falotta manganese ores. (en)
  • Geigerita fosfato motako minerala da eta ondrušite taldearen kidea da. (eu)
  • La geigerite è un minerale. Fu scoperto nel Cantone dei Grigioni, in Svizzera nel 1989. Gli è stato dato il nome in onore di Thomas Geiger (1920–1990), che studiò i minerali di manganese delle Alpi Grigionesi. (it)
birefringence
  • δ = 0.059 (en)
cleavage
  • Perfect (en)
diaphaneity
  • Transparent to translucent (en)
formula
  • Mn522·10H2O (en)
habit
  • Platy, partly triangular crystals to 0.5 mm (en)
IMAsymbol
  • Gga (en)
luster
  • Vitreous - pearly (en)
mohs
molweight
opticalprop
  • Biaxial (en)
pleochroism
  • Very weak, colorless to rose-red (en)
refractive
  • nα = 1.601 nβ = 1.630 nγ = 1.660 (en)
gold:hypernym
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foaf:isPrimaryTopicOf
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