Mineralogy Database

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853 samples matching your criteria

  • Sample n°4697 : tourmaline in micaschist
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°4698 : reworked black and green prismatic crystals
    Minerals: TOURMALINE
    Year: 1954
    Country: République Centrafricaine
  • Sample n°4699 : thick black prismatic crystal (1 cm) in quartz
    Minerals: SCHORL
    Year: 1954
    Country: Rwanda
  • Sample n°4700 : isolated green and black prismatic crystals (1 cm)
    Minerals: TOURMALINE
    Year:
    Country: Unknown
  • Sample n°4701 : black prismatic crystal (10 cm) in vein quartz
    Minerals: TOURMALINE QUARTZ
    Year: 1954
    Country: Rwanda
  • Sample n°4702 : stacked black needles in micaschist
    Minerals: TOURMALINE
    Year:
    Country: Unknown
  • Sample n°4703 : black vitreous mass
    Minerals: CORDIERITE
    Year:
    Country: Madagascar
  • Sample n°4704 : black block with fine-grained acicular and granular material
    Minerals: CORDIERITE
    Year:
    Country: Unknown
  • Sample n°4705 : olive-green fibrous block (4 cm)
    Minerals: EPIDOTE
    Year:
    Country: Rwanda
  • Sample n°4706 : pistachio-green block with dark green needles
    Minerals: EPIDOTE
    Year: 1954
    Country: Congo (RDC)
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