Menzerite-(Y) (original) (raw)

A valid IMA mineral species

About Menzerite-(Y)Hide

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Colour:

Brown in thin sections, megascopically black

Specific Gravity:

4.31 (Calculated)

Name:

Named in honour of Georg Menzer (4 May 1897, Riga, German Empire - 13 October 1989, Gauting, Germany), crystallographer who was the first to solve the crystal structure of garnet in 1925. The suffix/modifier follows the Levinson rule for species with essential REE indicating, in this case, a predominance of yttrium.

This page provides mineralogical data about Menzerite-(Y).

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:42520:5

5fd07496-8e1b-4f82-8fa9-29d36cf4ac67

IMA Classification of Menzerite-(Y)Hide

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IMA Formula:

(CaY2)Mg2(SiO4)3

Type description reference:

Grew, E. S., Marsh, J. H., Yates, M. G., Lazic, B., Armbruster, T., Locock, A., Bell, S. W., Dyar, M. D., Bernhardt, H.-J., Medenbach, O. (2010) Menzerite-(Y), a new species, {(Y,REE)(Ca,Fe2+)2}(Mg,Fe2+)(Fe3+,Al)O12, from a felsic granulite, Parry Sound, Ontario, and a new garnet end-member, {Y2Ca}Mg2O12. The Canadian Mineralogist, 48 (5) 1171-1193 doi:10.3749/canmin.48.5.1171

Classification of Menzerite-(Y)Hide

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9.AD.25

9 : SILICATES (Germanates)
A : Nesosilicates
D : Nesosilicates without additional anions; cations in [6] and/or 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 Menzerite-(Y)Hide

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Colour:

Brown in thin sections, megascopically black

Hardness Data:

Could not be measured

Density:

4.31 g/cm3 (Calculated)

Optical Data of Menzerite-(Y)Hide

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Comments:

Reflectivity - 8.83% air, 0.97 oil

Chemistry of Menzerite-(Y)Hide

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Mindat Formula:

(Y2Ca)Mg2(SiO4)3

Crystallography of Menzerite-(Y)Hide

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Class (H-M):

m_3_m _(_4/_m_32/m ) - Hexoctahedral

Cell Parameters:

a = 11.9947(6) Å

Unit Cell V:

1,725.71 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Comments:

Bonnet Island in the interior Parry Sound domain, Grenville Orogenic Province, Canada. The data are from the type description. This is calculated data - power diffraction data could not be measured due to the small sample size. Single crystal XRD data was collected.

Geological EnvironmentHide

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Type Occurrence of Menzerite-(Y)Hide

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General Appearance of Type Material:

Inclusions within almandine euhedral crystals.

Place of Conservation of Type Material:

Canadian Museum of Nature (Ottawa) - specimen CMNMC 86088
National Museum of Natural History, Smithsonian Institution (Washington, DC) - specimen NMNH 174896

Geological Setting of Type Material:

Accessory mineral of felsic granulites.

Associated Minerals at Type Locality:

Reference:

Grew E.S., Marsh J.H., Yates M.G., Lazic B., Armbruster T., Locock A., Bell S.W., Dyar M.D., Bernhardt H.J., Medenbach O. (2010) Menzerite-(Y), a new species, {(Y,REE)(Ca,Fe2+)2}[(Mg,Fe2+)(Fe3+,Al)](Si3)O12, from a felsic granulite, Parry Sound, Ontario, and a new garnet end-member, {Y2Ca}[Mg2](Si3)O12. The Canadian Mineralogist: 48: 1171-1193.

Other Language Names for Menzerite-(Y)Hide

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Relationship of Menzerite-(Y) 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 Menzerite-(Y)Hide

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References for Menzerite-(Y)Hide

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Reference List:

Grew, E. S., Marsh, J. H., Yates, M. G., Lazic, B., Armbruster, T., Locock, A., Bell, S. W., Dyar, M. D., Bernhardt, H.-J., Medenbach, O. (2010) Menzerite-(Y), a new species, {(Y,REE)(Ca,Fe2+)2}(Mg,Fe2+)(Fe3+,Al)O12, from a felsic granulite, Parry Sound, Ontario, and a new garnet end-member, {Y2Ca}Mg2O12. The Canadian Mineralogist, 48 (5) 1171-1193 doi:10.3749/canmin.48.5.1171

Grew, E. S., Locock, A. J., Mills, S. J., Galuskina, I. O., Galuskin, E. V., Hålenius, U. (2013) Nomenclature of the garnet supergroup. American Mineralogist, 98 (4) 785-811 doi:10.2138/am.2013.4201

Localities for Menzerite-(Y)Hide

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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.