Mineralogy Database

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124 samples matching your criteria

  • Sample n°183 : block with parallel crystals, partlially altered to illite, var. dipyre
    Minerals: MEIONITE
    Year: 1901
    Country: Tanzania
  • Sample n°407 : specular
    Minerals: HEMATITE
    Year: 1919
    Country: Tanzania
  • Sample n°4200 : block with prominent cleavage
    Minerals: GALENA
    Year: 1954
    Country: Tanzania
  • Sample n°5888 : black prismatic crystals (2 cm)
    Minerals: AUGITE
    Year: 1956
    Country: Tanzania
  • Sample n°5956 : block with prominent cleavage
    Minerals: GALENA
    Year: 1957
    Country: Tanzania
  • Sample n°5957 : microgranular block
    Minerals: GALENA
    Year: 1957
    Country: Tanzania
  • Sample n°6029 : group of prismatic pyramidal crystals (30 cm)
    Minerals: QUARTZ
    Year:
    Country: Tanzania
  • Sample n°9977 : red crystals (2 cm) in zoisite-bearing rock (green amphibolite, anyolite), var. ruby
    Minerals: CORUNDUM
    Year: 1963
    Country: Tanzania
  • Sample n°10714 : red block in anyolite, var. ruby
    Minerals: CORUNDUM
    Year:
    Country: Tanzania
  • Sample n°12068 : purple crystals (16 g), var. tanzanite
    Minerals: ZOISITE
    Year: 1970
    Country: Tanzania
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