Stock Photo - A granular rock composed of white calcite, dull green willemite, red zincite and black franklinite (Zinc Iron Manganese Oxide). See T00387 for a fluorescent view.

Stock Photo: A granular rock composed of white calcite, dull green willemite, red zincite and black franklinite (Zinc Iron Manganese Oxide).

Searchable keywords

Choose multiple keywords