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Hierarchical browse >> oxides and hydroxides >> - >> POLYCRASE-(Y)

2 samples matching your criteria

• Sample n°7085 : sample with polycrase as bright black material and rust-coloured powder
  Minerals: POLYCRASE-(Y)

  Year: 1959

  Country: Brazil
• Sample n°14147 : sample with possible polyclase (x-ray amorphous), black ilmenite vein, pink plagioclase, grey zircon crystals
  Minerals: POLYCRASE-(Y) ILMENITE PLAGIOCLASE ZIRCON

  Year: 1984

  Country: Norway

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