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Ferro-akermanite

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Formula:
Ca
 
2
FeSi
 
2
O
 
7
This page provides mineralogical data about Ferro-akermanite.

Classification of Ferro-akermanite

Hey's CIM Ref.:14.22.3

14 : Silicates not Containing Aluminum
22 : Silicates of Fe and Ca
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Chemical Properties of Ferro-akermanite

Formula:
Ca
 
2
FeSi
 
2
O
 
7
Essential elements:Ca, Fe, O, Si
All elements listed in formula:Ca, Fe, O, Si

Relationship of Ferro-akermanite to other Species

Related Minerals - Hey's Index Grouping:

- +
14.22.1Hedenbergite
CaFe
2+
 
Si
 
2
O
 
6
14.22.2Pyroxferroite
(Fe,Mn,Ca)SiO
 
3
14.22.4Kirschsteinite
CaFe
2+
 
SiO
 
4
14.22.5Tungusite
Ca
 
4
Fe
 
2
Si
 
6
O
 
15
(OH)
 
6
14.22.6Ferro-Actinolite
☐{Ca
 
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
14.22.7Ilvaite
CaFe
2+
2
Fe
3+
 
(Si
 
2
O
 
7
)O(OH)
14.22.8Julgoldite-(Fe2+)
Ca
 
2
(Fe
2+
 
,Mg)(Fe
3+
 
,Al)
 
2
(Si
 
2
O
 
7
)(SiO
 
4
)(OH)
 
2
 · H
 
2
O
14.22.9Andradite
Ca
 
3
Fe
3+
2
(SiO
 
4
)
 
3

Other Information

Health Warning: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 Ferro-akermanite

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    • Localities for Ferro-akermanite

    The 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.
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    (TL) indicates type locality. ? 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.
    Central African Republic
     
    • Lobaye Prefecture
      • Lobaye River (Bali River)
    		Hoinkes, G., and Kurat, G. (1979): Meteoritics 14, 423.
    South Africa
     
    • Northern Cape Province
      • Kalahari manganese fields
        • Hotazel
    		Minerals of South Africa
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