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Ferro-Ferritschermakite

Formula:
☐[Ca
 
2
][Fe
2+
3
Fe
3+
2
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
System:MonoclinicColour:greenish black
Hardness:5 - 6
This page provides mineralogical data about Ferro-Ferritschermakite.

Classification of Ferro-Ferritschermakite

Strunz 8th edition ID:8/F.10-80

8 : Silicates
F : Inosilicates (chain and band) double chains [Si2O6]4-
10 : Amphibole group, Tremolite - Sadanagaite series
Hey's CIM Ref.:16.21.6

16 : Silicates Containing Aluminum and other Metals
21 : Aluminosilicates of Fe and Ca
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Physical Properties of Ferro-Ferritschermakite

Colour:greenish black
Hardness (Mohs):5 - 6
Cleavage:Distinct/Good

Crystallography of Ferro-Ferritschermakite

Crystal System:Monoclinic

Chemical Properties of Ferro-Ferritschermakite

Formula:
☐[Ca
 
2
][Fe
2+
3
Fe
3+
2
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
Essential elements:Al, Ca, Fe, H, O, Si
All elements listed in formula:Al, Ca, Fe, H, O, Si

Relationship of Ferro-Ferritschermakite to other Species

Related Minerals - Strunz Grouping):
8/F.10-05Parvo-manganotremolite
☐[CaMn
2+
 
][Mg
 
5
][(OH)
 
2
|Si
 
8
O
 
22
]
8/F.10-10Tremolite
☐[Ca
 
2
][Mg
 
5
][(OH)
 
2
|Si
 
8
O
 
22
]
8/F.10-12Fluorotremolite
☐[Ca
 
2
][Mg
 
5
][F
 
2
|Si
 
8
O
 
22
]
8/F.10-20Actinolite
☐Ca
 
2
(Mg,Fe
2+
 
)
 
5
(Si
 
8
O
 
22
)(OH)
 
2
8/F.10-30Ferro-Actinolite
☐[Ca
 
2
][(Fe
2+
 
,Mg)
 
5
][(OH)
 
2
|Si
 
8
O
 
22
]
8/F.10-40Magnesiohornblende
☐[Ca
 
2
][Mg
 
4
Al][(OH)
 
2
|AlSi
 
7
O
 
22
]
8/F.10-50Ferrohornblende
☐[Ca
 
2
][Fe
2+
4
Al][(OH)
 
2
|AlSi
 
7
O
 
22
]
8/F.10-60Tschermakite
☐[Ca
 
2
][Mg
 
3
Fe
3+
 
Al][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-70Ferrotschermakite
☐[Ca
 
2
][Fe
2+
3
Fe
3+
 
Al][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-72Aluminotschermakite
☐[Ca
 
2
][Mg
 
3
Al
 
2
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-75Ferro-aluminotschermakite
☐[Ca
 
2
][Fe
2+
3
Al
 
2
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-77Ferritschermakite
☐[Ca
 
2
][Mg
 
3
Fe
3+
2
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-88Parvo-mangano-edenite
Na[CaMn
2+
 
][Mg
 
5
][(OH)
 
2
|AlSi
 
7
O
 
22
]
8/F.10-90Edenite
Na[Ca
 
2
][Mg
 
5
][(OH)
 
2
|AlSi
 
7
O
 
22
]
8/F.10-92Fluoro-edenite
Na[Ca
 
2
][Mg
 
5
][(F,OH)
 
2
|AlSi
 
7
O
 
22
]
8/F.10-100Ferro-edenite
[Na][Ca
 
2
][Fe
2+
5
][(OH)
 
2
|AlSi
 
7
O
 
22
]
8/F.10-102Chloro-potassic-ferro-edenite
[K][Ca
 
2
][Fe
2+
5
][(Cl,OH)
 
2
|AlSi
 
7
O
 
22
]
8/F.10-103Cannilloite
[Ca][Ca
 
2
][Mg
 
4
Al][(OH)
 
2
|Al
 
3
Si
 
5
O
 
22
]
8/F.10-105Fluor-cannilloite
[Ca][Ca
 
2
][Mg
 
4
Al][(F,OH)
 
2
|Al
 
3
Si
 
5
O
 
22
]
8/F.10-110Pargasite
[Na][Ca
 
2
][Mg
 
4
Al][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-112Fluoropargasite
[Na][Ca
 
2
][Mg
 
4
Al][(F,OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-120Ferropargasite
[Na][Ca
 
2
][Fe
2+
4
Al][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-122Unnamed (Cl analogue of Ferropargasite)
[Na][Ca
 
2
][Fe
2+
4
Al][(Cl,OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-125Potassicpargasite
[K][Ca
 
2
][Mg
 
4
Al][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-127Chloro-potassicpargasite
[K][Ca
 
2
][Mg
 
4
Al][(Cl,OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-130Magnesiohastingsite
Na[Ca
 
2
][Mg
 
4
Fe
3+
 
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-132Fluoro-magnesiohastingsite
[Na][Ca
 
2
][Mg
 
4
Fe
3+
 
][F
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-135Potassic-magnesiohastingsite
[K][Ca
 
2
][Mg
 
4
Fe
3+
 
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-140Hastingsite
[Na][Ca
 
2
][Fe
2+
4
Fe
3+
 
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-145Fluoro-potassichastingsite
[K][Ca
 
2
][Fe
2+
4
Fe
3+
 
][(F,OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-147Chloro-potassichastingsite
[K][Ca
 
2
][Fe
2+
4
Fe
3+
 
][(Cl,OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
8/F.10-150Kaersutite
[Na][Ca
 
2
][Mg
 
4
Ti][O|OH|Al
 
2
Si
 
6
O
 
22
]
8/F.10-160Ferrokaersutite
[Na][Ca
 
2
][Fe
2+
4
Ti][O|OH|Al
 
2
Si
 
6
O
 
22
]
8/F.10-170Magnesiosadanagaite
[Na][Ca
 
2
][Mg
 
3
Al
 
2
][(OH)
 
2
|Al
 
3
Si
 
5
O
 
22
]
8/F.10-175Sadanagaite
[Na][Ca
 
2
][Fe
2+
3
Al
 
2
][(OH)
 
2
|Al
 
3
Si
 
5
O
 
22
]
8/F.10-180Potassic-Magnesiosadanagaite
[K][Ca
 
2
][Mg
 
3
Al
 
2
][(OH)
 
2
|Al
 
3
Si
 
5
O
 
22
]
8/F.10-200Potassicsadanagaite
[K][Ca
 
2
][Fe
2+
3
Al
 
2
][(OH)
 
2
|Al
 
3
Si
 
5
O
 
22
]
8/F.10-210Ferrisadanagaite
[Na][Ca
 
2
][Fe
2+
3
Fe
3+
2
][(OH)
 
2
|Al
 
3
Si
 
5
O
 
22
]
8/F.10-220Potassic-Ferrisadanagaite
[K][Ca
 
2
][Fe
2+
3
Fe
3+
2
][(OH)
 
2
|Al
 
3
Si
 
5
O
 
22
]
Related Minerals - Hey's Index Grouping:
16.21.1Esseneite
CaFe
3+
 
[AlSiO
 
6
]
16.21.2Epidote
{Ca
 
2
}{Al
 
2
Fe
3+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
16.21.3Ferrotschermakite
☐[Ca
 
2
][Fe
2+
3
Fe
3+
 
Al][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
16.21.4Ferro-aluminotschermakite
☐[Ca
 
2
][Fe
2+
3
Al
 
2
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
16.21.5Ferritschermakite
☐[Ca
 
2
][Mg
 
3
Fe
3+
2
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
16.21.7Alumino-ferro-hornblende
Ca
 
2
Fe
 
4
Al
 
2
Si
 
7
O
 
22
(OH)
 
2
16.21.8Pumpellyite-(Fe2+)
Ca
 
2
Fe
2+
 
Al
 
2
[(OH)
 
2
|SiO
 
4
|Si
 
2
O
 
7
] · H
 
2
O
16.21.8Pumpellyite-(Fe3+)
Ca
 
2
(Fe
3+
 
,Mg,Fe
2+
 
)(Al,Fe
3+
 
)
 
2
[(OH,O)
 
2
|SiO
 
4
|Si
 
2
O
 
7
] · H
 
2
O

Other Names for Ferro-Ferritschermakite

Synonyms:
Ferri-Ferrotschermakite

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.

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