Mineralogy Database

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3 samples matching your criteria

  • Sample n°4438 : polished section
    Minerals: HOLLANDITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°9935 : blocks of mixed phosphates (10 cm)
    Minerals: ARROJADITE STRENGITE HOLLANDITE PHOSPHOSIDERITE
    Year:
    Country: Rwanda
  • Sample n°12109 : sample with yellow parsonsite crystals, brown powdery hollandite nodules, green chalcedony, dendritic black oxides
    Minerals: HOLLANDITE PARSONSITE CHALCEDONY (quartz) META-AUTUNITE
    Year: 1969
    Country: France
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