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Mineralati

Minerals

Achalaite

achalaite

Fe²⁺TiNb2O8

Achalaite: Mineral information, data and localities.

Achalaite: Mineral information, data and localities. — via www.mindat.org · Source

Overview

Achalaite ((Fe2+, Mn)(Ti, Fe3+, Ta)(Nb, Ta)2O8) is a black mineral of the wodginite group, first discovered in 2013. It crystallizes in the monoclinic system and has a dark, metallic luster, a specific gravity of 6.285 and a Mohs hardness of 5.5. Achalaite occurs in the intermediate zone of topaz- and tantalite-bearing pegmatite. Associated minerals include rutile, quartz and albite. Its name comes from the type locality: the Achala batholith in Córdoba, Argentina and the mineral has been approved by the IMA with the acronym 2013-103.

Scientific references

  1. Achalaite — Wikidata. https://www.wikidata.org/wiki/Q19698245 Link
  2. Achalaite — Wikipedia. https://en.wikipedia.org/wiki/Achalaite Link