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Staurolite

  • Translations : スタウロライト
  • Etymology : Du grec "stauros" = croix et "lithos" = pierre
  • Discovery: 1792 by Le minéralogiste français Jean-Claude Delamétherie, qui lui a donné le nom de staurolite

Gemological data

  • Chemical formula : (Fe2+,Mg2+,Zn2+,Co2+)4Al18Si8O46(OH)2
  • Hardness (Mohs) : 7 - 7.5
  • Density : 3.7

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