Strontioruizite (original) (raw)

A valid IMA mineral species

About StrontioruiziteHide

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Formula:

Sr2Mn3+2Si4O11(OH)4 · 2H2O

Crystal System:

Monoclinic

Name:

Named for being the strontium analogue of ruizite.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:52089:2

2a284b9e-51ba-4f11-ad0e-54cafb5169a5

IMA Classification of StrontioruiziteHide

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Type description reference:

Yang, Hexiong, Gu, Xiangping, Cairncross, Bruce, Downs, Robert T., Evans, Stanley H. (2021) Taniajacoite and strontioruizite, two new minerals isostructural with ruizite from the N'Chwaning III Mine, Kalahari Manganese Field, South Africa. The Canadian Mineralogist, 59 (2) 431-444 doi:10.3749/canmin.2000037

Classification of StrontioruiziteHide

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9.BJ.35

9 : SILICATES (Germanates)
B : Sorosilicates
J : Sorosilicates with Si3O10, Si4O11, etc. anions; cations in octahedral [6] and greater coordination

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Physical Properties of StrontioruiziteHide

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Cleavage:

Distinct/Good
Good on {010}

Density:

3.20(2) g/cm3 (Measured) 3.16 g/cm3 (Calculated)

Optical Data of StrontioruiziteHide

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RI values:

_n_α = 1.692(2) _n_β = 1.734(2) _n_γ = 1.747(2)

2V:

Measured: 59.1° (5), Calculated: 56.6°

δ = 0.055

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Chemistry of StrontioruiziteHide

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Mindat Formula:

Sr2Mn3+2Si4O11(OH)4 · 2H2O

Common Impurities:

Al,Ba,Ca,Na

Chemical AnalysisHide

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Empirical formulas:

Sample references:

Crystallography of StrontioruiziteHide

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Crystal System:

Monoclinic

Class (H-M):

2 - Sphenoidal

Cell Parameters:

a = 9.1575(4) Å, b = 6.2857(4) Å, c = 12.0431(6) Å
β = 91.744(4)°

Ratio:

a:b:c = 1.457 : 1 : 1.916

Twinning:

No macroscopic twinning observed

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of StrontioruiziteHide

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General Appearance of Type Material:

Brown radiating groups or aggregates of acicular or prismatic crystals, with individual crystals up to 1.3 × 0.2 × 0.2 mm.

Place of Conservation of Type Material:

Cotype material is deposited in the collections of the Mineral Museum, University of Arizona, Tucson, USA, catalogue # 21486, and the RRUFF Project, deposition # R160085

Associated Minerals at Type Locality:

Reference:

Yang, H., Gu, X., Cairncross, B., Downs, R.T., Evans, S.H. (2021) Taniajacoite and strontioruizite, two new minerals isostructural with ruizite from the N'Chwaning III Mine, Kalahari Manganese Field, South Africa. The Canadian Mineralogist: 59: 431-444.

Synonyms of StrontioruiziteHide

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Relationship of Strontioruizite to other SpeciesHide

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Other Members of this group:

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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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 StrontioruiziteHide

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References for StrontioruiziteHide

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Reference List:

Yang, Hexiong, Gu, Xiangping, Cairncross, Bruce, Downs, Robert T., Evans, Stanley H. (2021) Taniajacoite and strontioruizite, two new minerals isostructural with ruizite from the N'Chwaning III Mine, Kalahari Manganese Field, South Africa. The Canadian Mineralogist, 59 (2) 431-444 doi:10.3749/canmin.2000037

Localities for StrontioruiziteHide

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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 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.