About: dbkwik:resource/b9Oc-vs9z8gVUvHeVixTkQ==   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
  • Astrofilita
dcterms:subject
dbkwik:ceramica/pr...iPageUsesTemplate
Category
opticalprop
  • Biaxial positive
mohs
  • 3(xsd:integer)
Gravity
  • 32(xsd:integer)
Name
  • Astrophyllite
streak
  • Yellowish brown or white
formula
  • 37(xsd:integer)
System
  • Triclinic
pleochroism
  • Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Color
  • Golden brown to yellow; rarely greenish
cleavage
  • Perfect on [001] imperfect on [100]
habit
  • Tabular to bladed, radiating, stellate aggregates; lamellar masses
diaphaneity
  • Translucent to opaque
fracture
  • Uneven
refractive
  • nα = 1.680 nβ = 1.700 nγ = 1.730
luster
  • Greasy, pearly, sub-metallic
birefringence
  • 50(xsd:integer)
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