Mineralogy Database

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1534 samples matching your criteria

  • Sample n°4707 : white crystalline block (14 cm)
    Minerals: ALBITE
    Year: 1954
    Country: Rwanda
  • Sample n°4792 : stony hexagonal prismatic crystal (15 cm)
    Minerals: BERYL
    Year: 1955
    Country: Rwanda
  • Sample n°4793 : white block (10 cm)
    Minerals: MONTEBRASITE SCORZALITE CHILDRENITE
    Year:
    Country: Rwanda
  • Sample n°4794 : white block, prominent cleavage
    Minerals: FELDSPAR
    Year:
    Country: Rwanda
  • Sample n°4795 : pink blocks (15 cm)
    Minerals: MICROCLINE
    Year:
    Country: Rwanda
  • Sample n°4797 : black concentrate (2 mm)
    Minerals: COLUMBITE
    Year: 1955
    Country: Rwanda
  • Sample n°5438 : breccious and banded purplish blocks (6-12 cm)
    Minerals: AMETHYST (quartz)
    Year: 1955
    Country: Rwanda
  • Sample n°5439 : white blocks (7 and 15 cm)
    Minerals: MONTEBRASITE
    Year: 1955
    Country: Rwanda
  • Sample n°5440 : pale blue block (10 cm)
    Minerals: BERYL
    Year: 1955
    Country: Rwanda
  • Sample n°5441 : brown-pink crystal (3 cm)
    Minerals: TANTALITE-(Mn)
    Year: 1955
    Country: Rwanda
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