Information About

Anthophyllite




  !colspan 2 align=centerAnthophyllite
 
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  !colspan 2General
  Category "http://wwwinformationdelightinfo/encyclopedia/entry/Mineral" class="copylinks">Mineral
  "http://wwwinformationdelightinfo/encyclopedia/entry/Chemical_formula" class="copylinks">Chemical Formula Hydrous Magnesium Iron Silicate (Mg,Fe)<sub>7</sub>Si<sub>8</sub>O<sub>22</sub>(OH)<sub>2</sub>
 
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  !colspan 2Identification
  "http://wwwinformationdelightinfo/encyclopedia/entry/Crystal_structure" class="copylinks">Crystal System Orthorhombic ''2/m2/m2/m''
  "http://wwwinformationdelightinfo/encyclopedia/entry/Cleavage_(crystal)" class="copylinks">Cleavage {210} perfect 55&deg
  "http://wwwinformationdelightinfo/encyclopedia/entry/Mohs_Scale" class="copylinks">Mohs Scale hardness 55 - 6
  "http://wwwinformationdelightinfo/encyclopedia/entry/Refractive_index" class="copylinks">Refractive Index and Optical Properties Optically (-) α=160 - 169 β=161 - 171 γ=162 - 172 2V = 70&deg - 100&deg Indices increase with Fe content
  "http://wwwinformationdelightinfo/encyclopedia/entry/Specific_gravity" class="copylinks">Specific Gravity 285 - 32
  Diagnostic Features Characterized By Clove Brown Color, But Unless In Crystals, Difficult To Distinguish From Other "http://wwwinformationdelightinfo/encyclopedia/entry/amphiboles" class="copylinks">Amphiboles without optical and/or X-ray tests