About: dbkwik:resource/_RaBs2kr1zwfGysx-_OTiw==   Sponge Permalink

An Entity of Type : dbkwik:resource/6IIoeMLPkySiK--1vpcViQ==, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

AttributesValues
rdf:type
rdfs:label
  • Partheite
rdfs:comment
  • It was first described in 1979 and named for the Swiss crystallographer Erwin Parthé (1928-2006).
dcterms:subject
dbkwik:ceramica/pr...iPageUsesTemplate
Category
  • Silicate mineral
opticalprop
  • Biaxial
mohs
  • 4(xsd:integer)
Gravity
  • 239(xsd:integer)
Name
  • Partheite
streak
  • white
formula
  • Ca2Al4Si4O152·4
System
Color
  • White, colourless
cleavage
  • {100} and {110}
habit
  • Fibrous, radial
refractive
  • nα = 1.547 - 1.550 nβ = 1.549 - 1.552 nγ = 1.559 - 1.565
luster
  • vitreous
birefringence
  • δ = 0.012 - 0.015
abstract
  • It was first described in 1979 and named for the Swiss crystallographer Erwin Parthé (1928-2006).
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