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Hastingsite Root Name

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About Hastingsite Root NameHide

Formula:
(A)(Ca2){Z2+4 Fe3+)(Al2Si6O22)(OH,F,Cl)2
The hastingsite minerals are defined with 0,5 < A(Na+K+2Ca)<1.5 where Na or K is dominant and with the Z position (= IMA C position) occupied by Mg or Fe2+ as dominant divalent ions and 0,5 < Z(Al+Fe3+ +Cr+2Ti) < 1.5 where Fe3+ is dominant. W may contain (OH),F or Cl.

On mindat.org we avoid using variables with the same symbol as elements and deviate from the IMA nomenclaure in that we use X rather than B, Z rather than C and (OH,F,Cl,O) rather than W.
This page provides mineralogical data about Hastingsite Root Name.


Chemical Properties of Hastingsite Root NameHide

Formula:
(A)(Ca2){Z2+4 Fe3+)(Al2Si6O22)(OH,F,Cl)2

The hastingsite minerals are defined with 0,5 < A(Na+K+2Ca)<1.5 where Na or K is dominant and with the Z position (= IMA C position) occupied by Mg or Fe2+ as dominant divalent ions and 0,5 < Z(Al+Fe3+ +Cr+2Ti) < 1.5 where Fe3+ is dominant. W may contain (OH),F or Cl.

On mindat.org we avoid using variables with the same symbol as elements and deviate from the IMA nomenclaure in that we use X rather than B, Z rather than C and (OH,F,Cl,O) rather than W.

Relationship of Hastingsite Root Name to other SpeciesHide

Other Members of this group:
Cannilloite Root NameCa(Ca2)(Z2+4Z3+))(Al3Si5O22)(OH,F,Cl)2
Edenite Root NameA(Ca2)Z5(AlSi7O22)((OH,F,Cl)2Mon.
Hornblende Root Name☐(Ca2)(Z2+4Z3+}(AlSi7O22)(OH,F,Cl)2Mon.
Joesmithite{Pb}{Ca2}{Mg3Fe3+2}(Be2Si6O22)(OH)2Mon.
Pargasite Root Name(A)(Ca2){Z2+4 Al)(Al2Si6O22)(OH,F,Cl)2
Sadanagaite Root NameA (Ca2)(Z2+3Z3+2)(Si5Al3O22)(OH,F,Cl)2Mon.
Tremolite-Actinolite Series☐{Ca2}{Z5}(Si8O22)(OH,F,Cl)2
Tschermakite Root Name☐(Ca2)(Z2+3Z3+2}(Al2Si6O22)(OH,F,Cl)2
Group Members:
Fluoro-hastingsite {Na}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)F2
Hastingsite {Na}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(OH)2Mon.
Magnesio-fluoro-hastingsite {Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)F2Mon. 2/m : B2/m
Magnesio-hastingsite {Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)(OH)2Mon.
Potassic-chloro-hastingsite {K}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(Cl,OH)2Mon. 2/m : B2/m
Potassic-fluoro-hastingsite {K}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(F,OH)2Mon. 2/m : B2/m
Potassic-hastingsite {K}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
Potassic-magnesio-hastingsite {K}{Ca2}{Mg4Fe3+}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
Chemically related to group(s):
Tschermakite Root Name☐(Ca2)(Z2+3Z3+2}(Al2Si6O22)(OH,F,Cl)2

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.

Hastingsite Root Name in petrologyHide

An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.

References for Hastingsite Root NameHide

Reference List:
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Hawthorne, F.C., Oberti, R., Harlow, G.E., Maresch, W.V., Martin, R.F., Schumacher, J.C., Welch, M.D. (2012) Nomenclature of the amphibole supergroup. American Mineralogist: 97: 2031-2048.

Internet Links for Hastingsite Root NameHide

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