Maleevite (original) (raw)

A valid IMA mineral species

About MaleeviteHide

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Crystal System:

Orthorhombic

Name:

After the Bulgarian mineralogist Mikhail Naidenovitch Maleev (born 1940), a well known expert on the morphology of crystals and mineral systematics.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:25698:8

c48ffe36-e004-46db-97b7-0f7b71c81369

IMA Classification of MaleeviteHide

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Type description reference:

Pautov, L. A., Agakhanov, A. A., Sokolova, E., Hawthorne, F. C. (2004) Maleevite, BaB2Si2O8 and pekovite, SrB2Si2O8, new mineral species from the Dara-i-Pioz alkaline massif, Northern Tajikistan: description and crystal structure. The Canadian Mineralogist, 42 (1) 107-119 doi:10.2113/gscanmin.42.1.107

Classification of MaleeviteHide

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9.FA.65

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
A : Tektosilicates without additional non-tetrahedral anions

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 MaleeviteHide

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Hardness:

VHN50=997 - 1139 kg/mm2 - Vickers

Fracture:

Irregular/Uneven

Density:

3.78(1) g/cm3 (Measured) 3.79 g/cm3 (Calculated)

Optical Data of MaleeviteHide

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RI values:

_n_α = 1.649 _n_β = 1.656 _n_γ = 1.656

δ = 0.007

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

Chemistry of MaleeviteHide

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Chemical AnalysisHide

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Empirical formulas:

Crystallography of MaleeviteHide

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Crystal System:

Orthorhombic

Class (H-M):

m m m _(_2/_m_2/_m_2/m ) - Dipyramidal

Cell Parameters:

a = 8.141 Å, b = 8.176 Å, c = 9.038 Å

Ratio:

a:b:c = 0.996 : 1 : 1.105

Crystal StructureHide

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ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0005928	Maleevite	Pautov L A, Agakhanov A A, Sokolova E V, Hawthorne F C (2004) Maleevite, BaB2Si2O8, and pekovite, SrB2Si2O8, new mineral species from the Dara-i-Pioz alkaline massif, Northern Tajikistan: Description and crystal structure The Canadian Mineralogist 42 107-119		2004	Dara-i-Pioz alkaline massif, Northern Tajikistan	0	293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of MaleeviteHide

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General Appearance of Type Material:

Anhedral equant crystals from 0.5 to 2 mm in diameter.

Place of Conservation of Type Material:

A. E. Fersman Mineralogical Museum, Russian Academy of Science, Moscow, Russia.

Geological Setting of Type Material:

Aegirine-microcline-quartz pegmatite in syenite

Associated Minerals at Type Locality:

Reference:

Pautov, L.A., Agakhanov, A.A., Sokolova, E., Hawthorne, F.C. (2004) Maleevite, BaB2Si2O8, and pekovite, SrB2Si2O8, new mineral species from the Dara-I-Pioz Alkaline Massif, northern Tajikistan: description and crystal structure. The Canadian Mineralogist: 42: 107-119.

Synonyms of MaleeviteHide

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Other Language Names for MaleeviteHide

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Simplified Chinese:硅钡硼石

Traditional Chinese:矽鋇硼石

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Fluorescence of MaleeviteHide

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Bright blue in short-wave ultraviolet light

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 MaleeviteHide

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References for MaleeviteHide

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Reference List:

Pautov, L. A., Agakhanov, A. A., Sokolova, E., Hawthorne, F. C. (2004) Maleevite, BaB2Si2O8 and pekovite, SrB2Si2O8, new mineral species from the Dara-i-Pioz alkaline massif, Northern Tajikistan: description and crystal structure. The Canadian Mineralogist, 42 (1) 107-119 doi:10.2113/gscanmin.42.1.107

Localities for MaleeviteHide

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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.