Mineralogy Database

Search |  About the mineralogy database |  Contact

71 samples matching your criteria

  • Sample n°7971 : black crystals and spots (1 cm) in quartz (20 cm)
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°7974 : stony prismatic crystals (4 cm)
    Minerals: BERYL
    Year:
    Country: Rwanda
  • Sample n°8870 : white powdery blocks (15 cm), as alteration product of tremolite
    Minerals: KAOLINITE
    Year: 1970
    Country: Rwanda
  • Sample n°9085 : crystals with black cross (1-5 cm), var. chiastolite
    Minerals: ANDALUSITE
    Year: 1962
    Country: Rwanda
  • Sample n°9599 : various crystals (1 cm)
    Minerals: PYRITE
    Year:
    Country: Rwanda
  • Sample n°9601 : pink blocks (8-13 cm)
    Minerals: MICROCLINE
    Year: 1970
    Country: Rwanda
  • Sample n°9602 : long bluish needles on quartz (20 cm)
    Minerals: GLAUCOPHANE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9603 : pale blue crystals in micaceous quartz
    Minerals: APATITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9605 : blue granular glaucophanite (18 cm)
    Minerals: GLAUCOPHANE
    Year:
    Country: Rwanda
  • Sample n°9607 : black tourmalinite block (20 cm) in greisen
    Minerals: SCHORL
    Year:
    Country: Rwanda
Previous page