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Mineralati

Minerals

Coronadite

coronadite

Pb(Mn⁴⁺6Mn³⁺2)O16

Mineral of the Week: Vanadinite and Coronadite Combo

Mineral of the Week: Vanadinite and Coronadite Combo — via www.rockngem.com · Source

Overview

Coronadite is the lead endmember of the coronadite group, a family of tectomanganates with a 2 × 2 tunnel structure, isostructural with hollandite. The mineral was first described by Waldemar Lindgren in 1905, from an occurrence in Arizona, and was named after Francisco Vasquez de Coronado, an explorer of south-west US. It is chemically related to ferricoronadite, an Fe+3 analogue, as well as cryptomelane, hollandite, manjiroite and strontiomelane.

Scientific references

  1. Coronadite — Wikidata. https://www.wikidata.org/wiki/Q3693975 Link
  2. Coronadite — Wikipedia. https://en.wikipedia.org/wiki/Coronadite Link