Mineralogy Database

2 samples matching your criteria

• Sample n°11734 : purplish black fibrous block, var. crocidolite
  Minerals: RIEBECKITE

  Year: 1968

  Country: South Africa
• Sample n°13615 : black specular microcrystalline material on rock substrate
  Minerals: SPHALERITE

  Year:

  Country: South Africa