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HELLANDITE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2012-01-16

English

Subject field(s)
  • Mineralogy
DEF

A very rare, weakly radioactive, monoclinic mineral, ... occurring in pegmatites with tourmaline, allanite, and thorite; brown or red in color.

French

Domaine(s)
  • Minéralogie
DEF

Silicate naturel d'yttrium, erbium, aluminium, fer et calcium.

Spanish

Campo(s) temático(s)
  • Mineralogía
DEF

Silicato de aluminio, itrio, erbio, calcio, manganeso, hierro y torio; sus cristales, entre rojos y pardos, pertenecen al sistema monoclínico.

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