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Orthochevkinite

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Formula:
(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
Lustre:
Resinous, Greasy
Hardness:
Crystal System:
Orthorhombic
Name:
Named in 1953 by Stefano A. Bonatti and G. Gottardi in honor of Konstantin Vladimirovich Chevkin and a crystallographic property.
This page provides mineralogical data about Orthochevkinite.


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Classification of OrthochevkiniteHide

56.2.8.4

56 : SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
2 : Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination

Physical Properties of OrthochevkiniteHide

Resinous, Greasy
Hardness:
5½ on Mohs scale

Chemical Properties of OrthochevkiniteHide

Formula:
(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22

Crystallography of OrthochevkiniteHide

Crystal System:
Orthorhombic

Synonyms of OrthochevkiniteHide

Other Language Names for OrthochevkiniteHide

Related Minerals - Dana Grouping (8th Ed.)Hide

56.2.8.1Chevkinite-(Ce)(Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8Mon.
56.2.8.2Strontiochevkinite(Sr,La,Ce,Ca)4Fe2+(Ti,Zr)2Ti2(Si2O7)2O8Mon.
56.2.8.3Perrierite-(Ce)Ce4MgFe3+2Ti2(Si2O7)2O8

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 OrthochevkiniteHide

Localities for OrthochevkiniteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Madagascar
 
  • Amoron'i Mania
    • Ambatofinandrahana
      • Itremo
        • Imorona valley
Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris, p 586-7
Mineral and/or Locality  
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