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UM1990-73-SiO:KMnNaZn

Invalid as an unnamed mineral

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Formula:

K(KNa_0.5◻_0.5)(Mn_1.5Na_0.5)Zn₃[Si₁₂O₃₀]

NOTE: as this is not an IMA-approved species, the formula shown here is a charge-balanced derivation of the original given formula: (K,Na)₂Zn₃Mn_1.5Si₁₂O₃₀ and is consistent with the original description; other site occupancy arrangements are possible. The formula suggested here ostensibly reduces to the end-member dusmatovite formula.

Colour:

colourless

Specific Gravity:

2.92 (Calculated)

Crystal System:

Hexagonal

Member of:

Osumilite Group

Said to be a possible K-analogue of shibkovite, which is not true as shibkovite is both K-dominant and also contains Ca. Rather, the suggested composition appears similar or potentially identical to dusmatovite.

Milarite-type structure.

Found within pegmatitic quartz boulders; forms fine-grained aggregates, up to 2 cm in diameter; associates: reedmergnerite, microcline, eudialyte.

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Unique IdentifiersHide

Mindat ID:

52026

Long-form identifier:

mindat:1:1:52026:3

GUID
(UUID V4):

63a9c15d-b836-41e5-927e-af3c29546dac

Classification of UM1990-73-SiO:KMnNaZnHide

IMA status notes:

Unnamed (probably invalid)

Strunz-mindat (2023):

9.CM.05

9 : SILICATES (Germanates)
C : Cyclosilicates
M : [Si₆O₁₈]₁₂- 6-membered double rings (sechser-Doppelringe)

Physical Properties of UM1990-73-SiO:KMnNaZnHide

Transparency:

Transparent

Colour:

colourless

Density:

2.92 g/cm³ (Calculated)

Chemical Properties of UM1990-73-SiO:KMnNaZnHide

Formula:

K(KNa_0.5◻_0.5)(Mn_1.5Na_0.5)Zn₃[Si₁₂O₃₀]

NOTE: as this is not an IMA-approved species, the formula shown here is a charge-balanced derivation of the original given formula: (K,Na)₂Zn₃Mn_1.5Si₁₂O₃₀ and is consistent with the original description; other site occupancy arrangements are possible. The formula suggested here ostensibly reduces to the end-member dusmatovite formula.

Elements listed:

K, Mn, Na, O, Si, Zn - search for minerals with similar chemistry

Crystallography of UM1990-73-SiO:KMnNaZnHide

Crystal System:

Hexagonal

Cell Parameters:

a = 10.526(6) Å, c = 14.218(9) Å

Ratio:

a:c = 1 : 1.351

Unit Cell V:

1,364.26 Å³ (Calculated from Unit Cell)

Comment:

Space group P6cc or P6/mcc (the first one is more likely)

Relationship of UM1990-73-SiO:KMnNaZn to other SpeciesHide

Member of:

Osumilite Group

Other Members of this group:

Agakhanovite-(Y)	K◻₂(YCa)Be₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Almarudite	K◻₂Mn²⁺₂(Be₂Al)[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
Aluminosugilite	KNa₂Al₂Li₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Armenite	Ba(H₂O)₂Ca₂Al₃[Al₃Si₉O₃₀]	Orth. mmm (2/m 2/m 2/m) : Pnna
Berezanskite	K◻₂Ti₂Li₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Brannockite	K◻₂Sn₂Li₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Chayesite	K◻₂Mg₂(Mg₂Fe³⁺)[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Darapiosite	KNa₂Mn₂(Zn₂Li)[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Dusmatovite	K(K◻)Mn²⁺₂Zn₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Eifelite	KNa₂(MgNa)Mg₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Friedrichbeckeite	K(◻Na)Mg₂(Be₂Mg)[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Klöchite	K◻₂(Fe²⁺Fe³⁺)Zn₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mmc
Laurentthomasite	K◻₂Mg₂(Be₂Al)[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Merrihueite	K(◻Na)Fe²⁺₂Fe²⁺₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Milarite	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Oftedalite	K◻₂(ScCa)Be₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Osumilite	K◻₂Fe²⁺₂Al₃[Al₂Si₁₀O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Osumilite-(Mg)	K◻₂Mg₂Al₃[Al₂Si₁₀O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Poudretteite	K◻₂Na₂B₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Roedderite	K(◻Na)Mg₂Mg₃[Si₁₂O₃₀]	Hex. 6 m2 : P6₂c
Shibkovite	K(◻K)Ca₂Zn₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Sogdianite	K◻₂Zr₂Li₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Sugilite	KNa₂Fe³⁺₂Li₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Trattnerite	◻(◻)₂Fe³⁺₂Mg₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
Unnamed (Mn3+-dominant analog of Sugilite)	KNa₂Mn³⁺₂Li₃[Si₁₂O₃₀]
Yagiite	Na◻₂Mg₂Al₃[Al₂Si₁₀O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc

Related Minerals - Strunz-mindat Grouping Hide

9.CM.	Agakhanovite-(Y)	K◻₂(YCa)Be₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Armenite	Ba(H₂O)₂Ca₂Al₃[Al₃Si₉O₃₀]	Orth. mmm (2/m 2/m 2/m) : Pnna
9.CM.05	Brannockite	K◻₂Sn₂Li₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Chayesite	K◻₂Mg₂(Mg₂Fe³⁺)[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Darapiosite	KNa₂Mn₂(Zn₂Li)[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Eifelite	KNa₂(MgNa)Mg₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Merrihueite	K(◻Na)Fe²⁺₂Fe²⁺₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Milarite	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Osumilite-(Mg)	K◻₂Mg₂Al₃[Al₂Si₁₀O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Osumilite	K◻₂Fe²⁺₂Al₃[Al₂Si₁₀O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Poudretteite	K◻₂Na₂B₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Roedderite	K(◻Na)Mg₂Mg₃[Si₁₂O₃₀]	Hex. 6 m2 : P6₂c
9.CM.05	Sogdianite	K◻₂Zr₂Li₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Sugilite	KNa₂Fe³⁺₂Li₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Yagiite	Na◻₂Mg₂Al₃[Al₂Si₁₀O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Berezanskite	K◻₂Ti₂Li₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Dusmatovite	K(K◻)Mn²⁺₂Zn₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Shibkovite	K(◻K)Ca₂Zn₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Almarudite	K◻₂Mn²⁺₂(Be₂Al)[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
9.CM.05	Trattnerite	◻(◻)₂Fe³⁺₂Mg₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Oftedalite	K◻₂(ScCa)Be₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Klöchite	K◻₂(Fe²⁺Fe³⁺)Zn₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mmc
9.CM.05	Friedrichbeckeite	K(◻Na)Mg₂(Be₂Mg)[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.05	Laurentthomasite	K◻₂Mg₂(Be₂Al)[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.9.CM.	Aluminosugilite	KNa₂Al₂Li₃[Si₁₂O₃₀]	Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CM.10	Faizievite	K₂Na(Ca₆Na)Ti₄Li₆[Si₆O₁₈]₂[Si₁₂O₃₀]F₂	Tric. 1 : P1

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 UM1990-73-SiO:KMnNaZnHide

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References for UM1990-73-SiO:KMnNaZnHide

Reference List:

Nadezhina, T.N., Sokolova, E.V., Belakovskii, D.L. (1990): The crystal structure of K(K_0.58Na_0.42)₂Zn₃Mn_1.5[Si₁₂O₃₀] - A new natural representative of the milarite structural type. Doklady Akad. Nauk SSSR: 313(4), 865-868 (in Russian); in: Jambor, J.L., Vanko, D.A. (1991): New mineral Names. American Mineralogist: 77: 451-452

Smith, D.G.W., Nickel, E.H. (2007): A System of Codification for Unnamed Minerals: Report of the SubCommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification. Canadian Mineralogist: 45: 983-1055; http://nrmima.nrm.se (2016)

Localities for UM1990-73-SiO:KMnNaZnHide

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

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- 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.

Tajikistan

Districts of Republican Subordination

ⓘ Dara-i-Pioz Massif

Nadezhina, T.N., Sokolova, E.V., Belakovskii, D.L. (1990): The crystal structure of K(K0.58Na0.42)2Zn3Mn1.5[Si12O30] - A new natural representative of the milarite structural type. Doklady Akad. Nauk SSSR: 313(4), 865-868 (in Russian)

Jambor, L., Vanko, David A. (1992) New Mineral Names. American Mineralogist, 77 (3-4) 446-452 pp.451-452

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