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Alkali-ferrohastingsite

A variety of Hastingsite
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Formula:
{Na}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(OH)2
Variety of Hastingsite. A sodian potassian Hastingsite


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Unique IdentifiersHide

Mindat ID:
80 (as Alkali-ferrohastingsite)
1824 (as Hastingsite)
Long-form identifier:
mindat:1:1:80:8 (as Alkali-ferrohastingsite)
mindat:1:1:1824:7 (as Hastingsite)

Chemistry of Alkali-ferrohastingsiteHide

Mindat Formula:
{Na}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(OH)2
Element Weights:
Element% weight
O38.753 %
Fe28.180 %
Si17.007 %
Ca8.090 %
Al5.446 %
Na2.320 %
H0.203 %

Calculated from ideal end-member formula.
Elements listed:
Al, Ca, Fe, H, Na, O, Si - search for minerals with similar chemistry

Other InformationHide

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 Alkali-ferrohastingsiteHide

References for Alkali-ferrohastingsiteHide

Reference List:

Localities for Alkali-ferrohastingsiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Australia
 
  • Northern Territory
    • Central Desert Region
      • Jervois Station
Barraclough (1979)
  • Queensland
    • Hinchinbrook Shire
      • Ingham District
        • Hinchinbrook Island
de Keyser (1966)
Niger
 
  • Agadez
    • Tchirozerine
J. Fabriès and G. Rocci (1965)
USA
 
  • Massachusetts
    • Essex County
rruff.geo.arizona.edu (n.d.)
  • Washington
    • Okanogan County
      • Golden Horn Batholith
American Mineralogist
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