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What Does Franklinite Mean?

David Miller • • 5 min read
What Does Franklinite Mean?

Franklinite is an oxide mineral belonging to the normal spinel subgroup's iron series, with the formula ZnFe³⁺₂O₄. As with another spinel member magnetite, both ferrous and ferric iron may be present in Franklinite samples.

What is franklinite used for?

THE MINERAL FRANKLINITE

Franklinite is one of the minerals found at Franklin, New Jersey, a world famous locality that has produced many formerly unknown and exotic mineral species. It is found in large enough quantity to serve as a ore of zinc and manganese, two important strategic and industrial metals.

How to identify franklinite?

Physical Properties of FrankliniteHide
  1. Metallic, Sub-Metallic.
  2. Opaque.
  3. Colour: Black.
  4. Streak: Reddish brown to black.
  5. 5½ - 6 on Mohs scale.
  6. Hardness: VHN100=852 - 882 kg/mm2 - Vickers.
  7. Tenacity: Very brittle.
  8. Cleavage: None Observed.
David Miller
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David Miller

David Miller brings 15 years of experience in global economics, personal finance strategy, and market dynamics. He specializes in turning complex economic trends into actionable insights for everyday readers.