Massive Mineral Specimens

Explore massive mineral specimens characterized by solid mineral material without prominent individual crystal forms. Browse individually photographed specimens from localities around the world.
Skip to results list
2 items

Filter

  • Front view of milky Ethiopian rough opal showing blue, green, and violet flashes beside brown host material

    Rough Precious Opal with Blue-Green Flash — Ethiopia

    Rough Precious Opal with Blue-Green Flash — Ethiopia
    $45.00
  • Front view of milky white opal exposed through a polished face in a rough tan-brown nodule

    Rough Opal with Polished Face – Virgin Valley, Nevada

    Rough Opal with Polished Face – Virgin Valley, Nevada
    $25.00