Mineralogy Database

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7938 samples matching your criteria

  • Sample n°11995 : sample with olive-yellow marthozite/metamarthozite, crust of dark green derriksite crystals, bright white metallic trogtalite, yellow geodic guilleminite nodules, powdery (altered) and acicular malachite, blue chalcomenite, metallic digenite with bluish lustre
    Minerals: DERRIKSITE MARTHOZITE TROGTALITE CHALCOMENITE DIGENITE GUILLEMINITE MALACHITE
    Year: 1969
    Country: Congo (RDC)
  • Sample n°12041 : heterogeneous mass of metallic cuprite, dark blue shattuckite and local fibrous plancheite occurrences, covered by layered malachite coating
    Minerals: CUPRITE KATANGITE (plancheite) MALACHITE PLANCHEITE
    Year:
    Country: Congo (RDC)
  • Sample n°12042 : complex coating on rock substrate
    Minerals: KATANGITE (plancheite)
    Year:
    Country: Congo (RDC)
  • Sample n°12043 : patchy pinkish dolomite coating, locally covered by malachite aggregates
    Minerals: MALACHITE DOLOMITE
    Year:
    Country: Congo (RDC)
  • Sample n°12044 : pinkish dolomite coating, covered by malachite and thin heterogenite layer
    Minerals: KOLWEZITE MALACHITE HETEROGENITE
    Year:
    Country: Congo (RDC)
  • Sample n°12045 : thick azurite-rich veins parallel to rock bedding
    Minerals: AZURITE
    Year:
    Country: Congo (RDC)
  • Sample n°12046 : pink needles, var tsilaisite
    Minerals: ELBAITE
    Year:
    Country: Congo (RDC)
  • Sample n°12047 : nodule with metallic lustre in matrix, var. partridgeite
    Minerals: BIXBYITE
    Year:
    Country: Congo (RDC)
  • Sample n°12048 : contact between massive uraninite and coarse-crystalline siegenite
    Minerals: SIEGENITE URANINITE
    Year:
    Country: Congo (RDC)
  • Sample n°12067 : prismatic crystal in rhombohedral calcite, green diopside
    Minerals: DIOPSIDE CALCITE
    Year: 1969
    Country: Congo (RDC)
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