Mineralogy Database

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90 samples matching your criteria

  • Sample n°5150 : geode with rhombohedral crystals in sandstone core sample
    Minerals: CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°5151 : rhombohedral crystals in geode in sandstone core sample
    Minerals: CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°5198 : olive-green foamy conichalcite on calcite in geode in sandstone core sample
    Minerals: CONICHALCITE CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°5199 : blue katangite coating on calcite crystals in geode in sandstone core sample
    Minerals: CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°5270 : minerals in geode in breccious sandstone core sample
    Minerals: DIOPTASE CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°5276 : crystals (1 cm) in sandstone core sample
    Minerals: DIOPTASE
    Year:
    Country: Congo (RDC)
  • Sample n°5277 : green vein in sandstone core sample
    Minerals: DIOPTASE VANADINITE
    Year:
    Country: Congo (RDC)
  • Sample n°5278 : green dioptase vein in sandstone core sample
    Minerals: DIOPTASE VANADINITE
    Year:
    Country: Congo (RDC)
  • Sample n°5295 : dioptase crystals (2 cm) on fine-grained olive-green conichalcite in core section
    Minerals: DIOPTASE CONICHALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°5299 : crystals (0.5 cm) in hematite
    Minerals: DIOPTASE HEMATITE
    Year:
    Country: Congo (RDC)
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