About: Sapphirine

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A rare mineral of the sapphirine supergroup, single chain inosilicate mineral with polytopes 1A, 2M, 3A, 4M, 5A; a silicate of magnesium and aluminium, (Mg,Al)₈(Al,Si)₆O₂₀ (with Fe as a major impurity); named after its sapphire-like colour

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dbo:description
  • minerale (it)
  • minéral (fr)
  • Минерал (ru)
  • a rare mineral of the sapphirine supergroup, single chain inosilicate mineral with polytopes 1A, 2M, 3A, 4M, 5A; a silicate of magnesium and aluminium, (Mg,Al)₈(Al,Si)₆O₂₀ (with Fe as a major impurity); named after its sapphire-like colour (en)
  • Mineral, Kettensilikat (de)
  • mineralo, nomita laŭ la safireca blua koloro, sed ne rilata al safiroj (eo)
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dbo:wikiPageWikiLink
dbp:2v
  • Measured: 47 to 114° (en)
dbp:birefringence
  • δ = 0.004 – 0.005 (en)
dbp:boxbgcolor
  • 432000.0 (dbd:second)
dbp:boxtextcolor
  • #FFFFFF (en)
dbp:caption
  • Indigo-blue sapphirine crystal from Ft. Dauphin, Madagascar (en)
dbp:category
dbp:class
  • 1 (xsd:integer)
  • 2 (xsd:integer)
dbp:cleavage
  • Poor to indistinct on {100}, {001}, and {010} (en)
dbp:colour
  • Light to dark blue or green, white, gray, pale red, yellow (en)
dbp:diaphaneity
  • Transparent to translucent (en)
dbp:fracture
  • Subconchoidal to uneven (en)
dbp:gravity
  • 3.400000 (xsd:double)
dbp:habit
  • Anhedral, granular, tabular (en)
dbp:imasymbol
  • Spr (en)
dbp:lustre
  • Vitreous (en)
dbp:mohs
  • 7.500000 (xsd:double)
dbp:name
  • Sapphirine (en)
dbp:opticalprop
  • Biaxial (en)
dbp:pleochroism
  • X = colorless, pale reddish, yellowish green, pale yellow; Y = sky-blue, lavender-blue, bluish green; Z = blue, sapphire-blue, dark blue (en)
dbp:refractive
  • nα = 1.701 – 1.729 nβ = 1.703 – 1.732 nγ = 1.705 – 1.734 (en)
dbp:streak
  • White (en)
dbp:strunz
  • 9 (xsd:integer)
dbp:symmetry
  • 1 (xsd:integer)
  • Other polytypes: 3A, 5A, 2M, 4M (en)
dbp:system
  • 1 (xsd:integer)
  • 2 (xsd:integer)
dbp:twinning
  • Uncommon on {001} (en)
dbp:unitCell
  • a = 11.27 Å, b = 14.4 Å (en)
  • c = 9.93 Å; β = 125.5°; Z = 4 (en)
dbp:wikiPageUsesTemplate
dbp:wordnet_type
dct:subject
gold:hypernym
rdf:type
rdfs:label
  • Sapphirine (en)
  • Safirina (ca)
  • Sapphirine (eu)
  • Sapphirin (de)
  • Zafirina (es)
  • Saffirina (it)
  • Saffirien (nl)
  • Сапфірин (uk)
  • Сапфирин (ru)
  • 假蓝宝石 (zh)
owl:sameAs
prov:wasDerivedFrom
foaf:depiction
foaf:isPrimaryTopicOf
foaf:name
  • Sapphirine (en)
is dbo:wikiPageWikiLink of
is foaf:primaryTopic of
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