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Seleniospinel Group

A group of related mineral species
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About Seleniospinel GroupHide

Formula:
AD2X4
A= Co, Ni, Cu
D= Co, Ni
X= Se2-
Note: the D site is named as B in the IMA Proposal 17-H, to avoid confusion with Boron.
A group within the Spinel Supergroup.
The seleniospinell group can be divided into: bornhardtite subgroup and tyrrellite (CNMNC Newsletter No. 42).



Unique IdentifiersHide

Mindat ID:
52867
Long-form identifier:
mindat:1:1:52867:2
GUID
(UUID V4):
f47caa55-0843-4845-a1d4-c65d18255c19

Classification of Seleniospinel GroupHide

IMA status notes:
IMA Approved Group Name
Approval history:
A classification of spinel supergroup was approved by IMA in march 2018 (Proposal 17-H).

Chemical Properties of Seleniospinel GroupHide

Formula:
AD2X4

A= Co, Ni, Cu
D= Co, Ni
X= Se2-
Note: the D site is named as B in the IMA Proposal 17-H, to avoid confusion with Boron.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0010334TyrrelliteYang H, Hubler D K, Lavina B, Downs R T, Costin G (2007) Tyrrellite, Cu(Co0.68Ni0.32)2Se4, isostructural with spinel Acta Crystallographica C63 i73-i742007Eagle Claims, Beaverlodge Lake area, Saskatchewan, Canada0293
CIF Raw Data - click here to close

Relationship of Seleniospinel Group to other SpeciesHide

Other Members of this group:
Group Members:
Bornhardtite Subgroup A2+D3+2Se4
  Bornhardtite Co2+Co3+2Se4Iso. m3m (4/m 3 2/m) : Fd3m
  Trüstedtite Ni3Se4Iso.
Nickeltyrrellite CuNi2Se4Iso. m3m (4/m 3 2/m) : Fd3m
Tyrrellite Cu(Co3+,Ni3+)2Se4Iso. m3m (4/m 3 2/m) : Fd3m

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 Seleniospinel GroupHide

References for Seleniospinel GroupHide

Reference List:

Localities for Seleniospinel GroupHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Argentina
 
  • La Rioja Province
    • General Lamadrid Department
      • Villa Castelli
        • Sierra de Cacho
[Tyrrellite]
[Tyrrellite]
  • Mendoza Province
    • Luján de Cuyo department
      • Cacheuta District
[Bornhardtite]
[Bornhardtite]
[Tyrrellite]
Bolivia
 
  • Potosí
    • Antonio Quijarro Province
      • Porco Municipality
[Nickeltyrrellite]
Canada
 
  • Saskatchewan
    • Beaverlodge Lake area
[Tyrrellite]
      • Goldfields District
        • Beaverlodge Lake
[Tyrrellite]
[Tyrrellite]
[Tyrrellite]
[Bornhardtite]
China
 
  • Sichuan
    • Ngawa Autonomous Prefecture (Aba Autonomous Prefecture)
      • Zoigê Co. (Ruo'ergai Co.)
[Trüstedtite]
Czech Republic
 
  • Plzeň Region
    • Plzeň-South District
      • Spálené Poříčí
[Tyrrellite]
  • South Bohemian Region
    • Písek District
      • Kovářov
        • Předbořice
[Tyrrellite]
  • Vysočina Region
    • Žďár nad Sázavou District
      • Nové Město na Moravě
[Tyrrellite]
[Tyrrellite]
      • Rožná
        • Rožná deposit
[Tyrrellite]
[Tyrrellite]
DR Congo
 
  • Lualaba
    • Kolwezi
[Tyrrellite]
Finland
 
  • North Ostrobothnia
[Trüstedtite]
[Trüstedtite]
Germany
 
  • Bavaria
    • Upper Palatinate
[Tyrrellite]
  • Lower Saxony
    • Goslar District
      • Harz (Landkreis Goslar)
[Bornhardtite]
    • Göttingen District
      • Harz (Landkreis Göttingen)
[Bornhardtite]
  • Saxony-Anhalt
    • Harz
      • Ballenstedt
        • Rieder
[Tyrrellite]
    • Mansfeld-Südharz
      • Mansfeld
[Bornhardtite]
Spain
 
  • Castile and Leon
    • León
      • Cármenes
        • Villanueva de Pontedo
[Tyrrellite]
UK
 
  • England
    • Devon
      • Torbay
        • Torquay
[Trüstedtite]
 
Mineral and/or Locality  
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