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Unnamed (Ca-deficient Mosandrite)

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Formula:
(Ca1.2REE0.9Th0.1Zn0.1Al0.1Na0.2K0.1)((H2O)2◻)(Ti,Nb)(Si2O7)2(OH,F,Cl)2(H2O)2
(Ca1.2Ce0.5La0.2Nd0.1Th0.1Zn0.1Al0.4Na0.2K0.1)[(H2O)2◻](Ti,Nb0.1)(Si2O7)2(Cl0.1F0.2OH)2(H2O)2.
Fibrous aggregates <0.1 mm with eudialyte, lamprophyllite, aegirine, sanidine, sodalite.


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Unique IdentifiersHide

Mindat ID:
55326
Long-form identifier:
mindat:1:1:55326:1

Chemistry of Unnamed (Ca-deficient Mosandrite)Hide

Mindat Formula:
(Ca1.2REE0.9Th0.1Zn0.1Al0.1Na0.2K0.1)((H2O)2◻)(Ti,Nb)(Si2O7)2(OH,F,Cl)2(H2O)2

(Ca1.2Ce0.5La0.2Nd0.1Th0.1Zn0.1Al0.4Na0.2K0.1)[(H2O)2◻](Ti,Nb0.1)(Si2O7)2(Cl0.1F0.2OH)2(H2O)2.
Element Weights:
Element% weight
O55.235 %
Si19.392 %
Ca8.302 %
Ti8.263 %
Th4.005 %
H1.740 %
Zn1.129 %
Na0.794 %
K0.675 %
Al0.466 %

Calculated from ideal end-member formula.
Elements listed:
Al, Ca, Cl, F, H, K, Na, Nb, O, Si, Th, Ti, Zn - search for minerals with similar chemistry

Relationship of Unnamed (Ca-deficient Mosandrite) to other SpeciesHide

Member of:
Rinkite Group > Seidozerite Supergroup
Other Members of Rinkite Group:
Batievaite-(Y)Y2Ca2Ti(Si2O7)2(OH)2(H2O)4Tric. 1 : P1
Fogoite-(Y)Na3Ca2Y2Ti(Si2O7)2OF3Tric. 1 : P1
GötzeniteNaCa6Ti(Si2O7)2OF3Tric. 1 : P1
GrenmariteNa4MnZr3(Si2O7)2O2F2Mon. 2/m : P2/b
Hainite-(Y)Na2Ca4(Y,REE)Ti(Si2O7)2OF3Tric. 1 : P1
KochiteNa3Ca2MnZrTi(Si2O7)2OF3Tric. 1 : P1
Mosandrite-(Ce)(Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2Mon. 2/m : P21/b
Nacareniobsite-(Ce)Na3Ca3(Ce,REE)Nb(Si2O7)2OF3Mon. 2/m : P21/b
Nacareniobsite-(Y)Na3Ca3YNb(Si2O7)2OF3Mon. 2/m : P21/b
Rinkite-(Ce)(Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2Mon. 2/m : P21/b
Rinkite-(Y)Na2Ca4YTi(Si2O7)2OF3Mon. 2/m : P21/b
RosenbuschiteNa6Ca6Zr3Ti(Si2O7)4O2F6Tric. 1 : P1
Roumaite(Ca,Na,REE,◻)7(Nb,Ti)[Si2O7]2OF3Mon. m : Bb
SeidozeriteNa4MnZr2Ti(Si2O7)2O2F2Mon. 2/m : P2/b

RadioactivityHide

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 Unnamed (Ca-deficient Mosandrite)Hide

References for Unnamed (Ca-deficient Mosandrite)Hide

Localities for Unnamed (Ca-deficient Mosandrite)Hide

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.
Australia
 
  • Tasmania
    • Huon Valley municipality
      • Huon-Channel region
        • Cygnet district
Bottrill (2021)
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