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Matyhite

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Formula:
Ca18(Ca,□)2Fe2+2(PO4)14
Crystal System:
Trigonal
Reported as a member of merrillite group (thus likely belongs to whitlockite group). The Ca analogue of ferromerrillite. First anhydrous purely Ca-Fe phosphate mineral.


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Classification of MatyhiteHide

Approved, Pending publication
Approval Year:
2016

Chemical Properties of MatyhiteHide

Formula:
Ca18(Ca,□)2Fe2+2(PO4)14
IMA Formula:
Ca18(Ca,◻)2Fe2+2(PO4)14

Crystallography of MatyhiteHide

Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
R3c
Cell Parameters:
a = 10.456(7) Å, c = 37.41(3) Å
Ratio:
a:c = 1 : 3.578
Unit Cell V:
3,542.01 ų (Calculated from Unit Cell)

Type Occurrence of MatyhiteHide

Place of Conservation of Type Material:
collections of the Naturhistorisches Museum Wien, Austria (catalogue number: Section D′Orbigny C-N1172-NH Wien)

Synonyms of MatyhiteHide

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.

References for MatyhiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Hwang, S.-L., Shen, P., Chu, H.-T., Yui, T.-F., Varela, M.E. and Iizuka, Y. (2016) Matyhite, IMA 2015-121. CNMNC Newsletter No. 31, June 2016, page 692; Mineralogical Magazine: 80: 691–697;

Internet Links for MatyhiteHide

Localities for MatyhiteHide

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.
Argentina (TL)
 
  • Buenos Aires
    • Coronel Suaréz
      • D'Orbigny
Hwang, S.-L., Shen, P., Chu, H.-T., Yui, T.-F., Varela, M.E. and Iizuka, Y. (2016) Matyhite, IMA 2015-121. CNMNC Newsletter No. 31, June 2016, page 692; Mineralogical Magazine: 80: 691–697.
Mineral and/or Locality  
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