Mineralogy Database

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Hierarchical browse (Geography) >> USA >> California >> < Unspecified >

4 samples matching your criteria

• Sample n°6838 : white clayey material (5 cm), var. collyrite
  Minerals: ALLOPHANE

  Year: 1954

  Country: USA
• Sample n°10596 : sample with fine boltwoodite needles
  Minerals: BOLTWOODITE

  Year: 1964

  Country: USA
• Sample n°15784 : massive, with waxy lustre (var. hyalite)
  Minerals: OPAL

  Year:

  Country: USA
• Sample n°19894 : orange aggregates withe greasy lustre
  Minerals: DIADOCHITE

  Year: 2022

  Country: USA

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