Mineralogy Database

2 samples matching your criteria

• Sample n°11215 : purple crust with chevron texture (10 cm)
  Minerals: AMETHYST (quartz)

  Year:

  Country: Rwanda
• Sample n°11705 : fragments (10 cm) of zoned purple and white crust
  Minerals: AMETHYST (quartz)

  Year: 1967

  Country: Rwanda