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Thomasclarkite-(Y) is a rare mineral which was known as UK-93 until 1997, when it was renamed in honour of Thomas H. Clark (1893–1996), McGill University professor. The mineral is one of many rare-earth element minerals from Mont Saint-Hilaire. The only reported occurrence is in an alkalic pegmatite dike in an intrusive gabbro-nepheline syenite.

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dbo:abstract
  • La thomasclarkita-(Y) és un mineral de la classe dels carbonats. Rep el seu nom de Thomas Henry Clark (1893-1996), professor de geologia de la Universitat McGill, a Mont-real. (ca)
  • Thomasclarkita-(Y) karbonato motako minerala da. (eu)
  • Thomasclarkite-(Y) is a rare mineral which was known as UK-93 until 1997, when it was renamed in honour of Thomas H. Clark (1893–1996), McGill University professor. The mineral is one of many rare-earth element minerals from Mont Saint-Hilaire. The only reported occurrence is in an alkalic pegmatite dike in an intrusive gabbro-nepheline syenite. (en)
  • La thomasclarkite-(Y) è un minerale. (it)
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dbo:wikiPageID
  • 8529971 (xsd:integer)
dbo:wikiPageLength
  • 2697 (xsd:nonNegativeInteger)
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  • 1123535715 (xsd:integer)
dbo:wikiPageWikiLink
dbp:birefringence
  • δ = 0.140 (en)
dbp:category
dbp:class
  • Sphenoidal (en)
dbp:cleavage
  • [010] perfect, [101] parting (en)
dbp:color
  • White, yellow (en)
dbp:diaphaneity
  • Translucent to transparent (en)
dbp:formula
  • (OH)3·4 (en)
dbp:fracture
  • Uneven (en)
dbp:gravity
  • 2.300000 (xsd:double)
dbp:habit
  • Blocky crystals, pseudo-tetragonal (en)
dbp:imagesize
  • 260 (xsd:integer)
dbp:imasymbol
  • Tcl-Y (en)
dbp:luster
  • Vitreous (en)
dbp:mohs
  • 2 (xsd:integer)
dbp:molweight
  • 375.770000 (xsd:double)
dbp:name
  • Thomasclarkite- (en)
dbp:opticalprop
  • pseudouniaxial negative 2V ≤ 5° (en)
dbp:other
  • 25 (xsd:integer)
dbp:refractive
  • nα = 1.40, nβ = 1.540, nγ = 1.540 (en)
dbp:streak
  • white (en)
dbp:symmetry
  • P2 (en)
dbp:system
dbp:tenacity
  • Very brittle (en)
dbp:twinning
  • Common on (en)
dbp:wikiPageUsesTemplate
dbp:wordnet_type
dcterms:subject
gold:hypernym
rdf:type
rdfs:comment
  • La thomasclarkita-(Y) és un mineral de la classe dels carbonats. Rep el seu nom de Thomas Henry Clark (1893-1996), professor de geologia de la Universitat McGill, a Mont-real. (ca)
  • Thomasclarkita-(Y) karbonato motako minerala da. (eu)
  • Thomasclarkite-(Y) is a rare mineral which was known as UK-93 until 1997, when it was renamed in honour of Thomas H. Clark (1893–1996), McGill University professor. The mineral is one of many rare-earth element minerals from Mont Saint-Hilaire. The only reported occurrence is in an alkalic pegmatite dike in an intrusive gabbro-nepheline syenite. (en)
  • La thomasclarkite-(Y) è un minerale. (it)
rdfs:label
  • Thomasclarkita-(Y) (ca)
  • Thomasclarkita-(Y) (eu)
  • Thomasclarkite-(Y) (it)
  • Thomasclarkite-(Y) (en)
owl:sameAs
prov:wasDerivedFrom
foaf:depiction
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foaf:name
  • Thomasclarkite-(Y) (en)
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