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Actinolite-Ferro-actinolite Series

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System:
Monoclinic
Series Formula:
☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2 to ☐{Ca2}{Fe52+}(Si8O22)(OH)2
A series between Actinolite and Ferro-actinolite

Tremolite is defined as having an Mg/ (Mg+Fe2+) ratio ≥ 0.9; actinolite has a ratio of 0.5–0.9 and ferro-actinolite has a ratio of less than 0.5.

Classification of Actinolite-Ferro-actinolite Series

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Crystallography of Actinolite-Ferro-actinolite Series

Crystal System:
Monoclinic

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Actinolite-Ferro-actinolite Series

Localities for Actinolite-Ferro-actinolite Series

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Italy
 
  • Tuscany
    • Livorno Province
      • Elba Island
        • Rio Marina
Peter Roegner (EPMA) - http://forum.amiminerals.org/viewtopic.php?f=3&t=4606
Mineral and/or Locality  
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