Wopmayite (original) (raw)

A valid IMA mineral species

Formula:

Ca6Na3◻Mn(PO4)3(PO3OH)4

Colour:

Colorless to white to pale pink

Specific Gravity:

3.027 (Calculated)

Name:

After Wilfrid Reid “Wop” May (March 20, 1896 – June 21, 1952) who was born in Carberry, Manitoba, Canada. “Wop” May was a pioneering aviator who created the role of the bush pilot, and opened up the Canadian North to mineral exploration and mining.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:42881:3

9bb1c5db-f88b-4f7e-8fe7-74cb565eb41e

IMA Classification of WopmayiteHide

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IMA Formula:

Ca6Na3◻Mn(PO4)3(PO3OH)4

Type description reference:

Cooper, Mark A., Hawthorne, Frank C., Abdu, Yassir A., Ball, Neil A., Ramik, Robert A., Tait, Kimberly T. (2013) Wopmayite, ideally Ca6Na3Mn(PO4)3(PO3OH)4, a new phosphate mineral from the Tanco Mine, Bernic Lake, Manitoba: description and crystal structure. The Canadian Mineralogist, 51 (1) 93-106 doi:10.3749/canmin.51.1.93

Classification of WopmayiteHide

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8.AC.

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations

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 WopmayiteHide

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Colour:

Colorless to white to pale pink

Fracture:

Irregular/Uneven, Sub-Conchoidal

Density:

3.027 g/cm3 (Calculated)

Optical Data of WopmayiteHide

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RI values:

_n_ω = 1.617(2) _n_ε = 1.613(2)

δ = 0.004

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

Chemistry of WopmayiteHide

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Mindat Formula:

Ca6Na3◻Mn(PO4)3(PO3OH)4

Crystallography of WopmayiteHide

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Class (H-M):

3_m_ - Ditrigonal Pyramidal

Cell Parameters:

a = 10.3926(2) Å, c = 37.1694(9) Å

Unit Cell V:

3,476.68 ų (Calculated from Unit Cell)

Morphology:

Rhombohedron {10-11}.

Twinning:

No visible twinning

Crystal StructureHide

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X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of WopmayiteHide

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General Appearance of Type Material:

Corroded rhombic crystals ~150 µm across.

Place of Conservation of Type Material:

Department of Natural History, Royal Ontario Museum, Toronto, Ontario, Canada, catalogue number M40501.

Geological Setting of Type Material:

Zoned petalite-subgroup pegmatite after dissolution of primary lithiophosphate by hydrothermal solutions.

Associated Minerals at Type Locality:

Reference:

Cooper, M.A., Hawthorne, F.C., Abdu, Y.A., Ball, N.A., Ramik, R.A., Tait, K.T. (2013) Wopmayite, ideally Ca6Na3Mn(PO4)3(PO3OH)4, a new phosphate mineral from the Tanco Mine, Bernic Lake, Manitoba: description and crystal structure. The Canadian Mineralogist: 51: 93-106.

Synonyms of WopmayiteHide

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Relationship of Wopmayite 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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Fluorescence of WopmayiteHide

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Other InformationHide

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IR Spectrum:

IR absorption bands (cm–1, s = strong, m = medium, w = weak) 2830s and 2395s (O−H stretching), 1720m and 1651m (combinations), 1345s (P−O−H bending vibration), 1185s, 1090s, 994w, and 947w (various stretching bands of the PO4 group), 870w (P–OH stretching).

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 WopmayiteHide

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References for WopmayiteHide

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Reference List:

Cooper, Mark A., Hawthorne, Frank C., Abdu, Yassir A., Ball, Neil A., Ramik, Robert A., Tait, Kimberly T. (2013) Wopmayite, ideally Ca6Na3Mn(PO4)3(PO3OH)4, a new phosphate mineral from the Tanco Mine, Bernic Lake, Manitoba: description and crystal structure. The Canadian Mineralogist, 51 (1) 93-106 doi:10.3749/canmin.51.1.93

Localities for WopmayiteHide

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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.