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Chevkinite Group



Group of complex and difficult-to-distinguish titanosilicates.
The chevkinite group may be subdivided in members with a monoclinic angle beta of ~100°, and members with beta ~113° ("perrierite group"). Unambiguous identification is often only possible using single-crystal diffraction methods (powder diffraction patterns are very similar).

A larger number of synthetic members have been prepared.

Classification of Chevkinite Group

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Relationship of Chevkinite Group to other Species

Minerals in Group:
Chevkinite-(Ce):
(Ce,La,Ca,Th)
 
4
(Fe
2+
 
,Mg)(Fe
2+
 
,Ti,Fe
3+
 
)
 
2
(Ti,Fe
3+
 
)
 
2
[O
 
4
|Si
 
2
O
 
7
]
 
2
Dingdaohengite-(Ce):
Ce
 
4
Fe
2+
 
(Ti,Fe
2+
 
,Mg)
 
2
Ti
 
2
[O
 
4
|Si
 
2
O
 
7
]
 
2
Maoniupingite-(Ce):
(REE,Ca)
 
4
(Fe
3+
 
,Ti,Fe
2+
 
,[])(Ti,Fe
3+
 
,Fe
2+
 
,Nb)
 
4
[O
 
4
|Si
 
2
O
 
7
]
 
2
Matsubaraite:
Sr
 
4
Ti
 
5
[O
 
4
|Si
 
2
O
 
7
]
 
2
Perrierite-(Ce):
Ce
 
4
MgFe
3+
2
Ti
4+
2
O
 
8
(Si
 
2
O
 
7
)
 
2
Perrierite-(La):
(La,Ce, Ca)
 
4
(Fe,Mn
2+
 
,Mg)(Ti,Fe)
 
4
[O
 
4
|Si
 
2
O
 
7
]
 
2
Polyakovite-(Ce):
(Ce,Ca)
 
4
(Mg,Fe
2+
 
)(Cr
3+
 
,Fe
3+
 
)
 
2
(Ti,Nb)
 
2
[O
 
4
|Si
 
2
O
 
7
]
 
2
Rengeite:
Sr
 
4
ZrTi
 
4
[O
 
4
|Si
 
2
O
 
7
]
 
2
Strontiochevkinite:
(Sr,La,Ce,Ca)
 
4
Fe
3+
 
(Ti,Zr)
 
2
Ti
 
2
[O
 
4
|Si
 
2
O
 
7
]
 
2

Other Names for Chevkinite Group

Synonyms:
Perrierite Group
Other Languages:

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 Chevkinite Group

Search Engines:
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  • Look for Chevkinite Group images on Google
    • Mineral Dealers:
  • Find Chevkinite Group on www.crystalclassics.co.uk
  • Fine Minerals from Dan Weinrich Minerals
  • High-end worldwide specimens & outstanding customer service
  • Buy Fine Minerals from mineralsweb.com
  • Fabre Minerals - search for Chevkinite Group specimens
  • Wendel Minerals - Auktion & Shop
  • rare and unusual minerals mainly crystallized
  • Search for - Chevkinite Group - on e-Rocks Mineral Sales & Auctions
  • Buy from David K Joyce minerals
  • Buy fine minerals and gemstones from Pala International
  • Buy Minerals and Crystals from Crystalarium.com
  • Lapis Mineral Magazin
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