Mikenewite (original) (raw)

A valid IMA mineral species

Formula:

Mn2+(S4+O3) · 3H2O

Colour:

Yellowish in transmitted light.

Crystal System:

Monoclinic

Name:

Named in honor of Mike New (24 October 1943 - 23 July 2022) of Tucson, Arizona, USA. He was mineral dealer; owner and operator of Top Gem Minerals, Inc. of Tucson.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:470613:3

be9a5a80-97f3-4eb3-9574-29de34365d13

IMA Classification of MikenewiteHide

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Approval history:

IMA no. 2022-102

Type description reference:

Yang, Hexiong, Jenkins, Robert A., McGlasson, James A., Gibbs, Ronald B., Downs, Robert T. (2023) Mikenewite, the natural analogue of synthetic α-Mn2(S4O3)⋅3H2O, a new sulfite mineral from the Ojuela mine, Mapimí, Mexico. Mineralogical Magazine, 87 (4) 534-541 doi:10.1180/mgm.2023.24

Classification of MikenewiteHide

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4.JE.

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
E : Sulfites

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 MikenewiteHide

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Colour:

Yellowish in transmitted light.

Density:

2.48(5) g/cm3 (Measured) 2.467 g/cm3 (Calculated)

Optical Data of MikenewiteHide

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RI values:

_n_α = 1.606(5) _n_β = 1.614(5) _n_γ = 1.627(1)

2V:

Measured: 69° (3), Calculated: 77°

δ = 0.021

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

Comments:

The pleochroism is from grey to yellowish

Chemistry of MikenewiteHide

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Mindat Formula:

Mn2+(S4+O3) · 3H2O

Chemical AnalysisHide

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Empirical formulas:

Sample references:

Crystallography of MikenewiteHide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 6.6390(3) Å, b = 8.8895(4) Å, c = 8.7900(4) Å
β = 96.095(2)°

Ratio:

a:b:c = 0.747 : 1 : 0.989

Unit Cell V:

515.83 ų (Calculated from Unit Cell)

Comment:

the space group is P21/n

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Type Occurrence of MikenewiteHide

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General Appearance of Type Material:

Spheres of platy crystals.

Place of Conservation of Type Material:

Collections of the University of Arizona Alfie Norville Gem and Mineral Museum, 115 N Church Ave Ste 121, Tucson, AZ 85701, USA, catalogue no. 22724 (holotype), and the RRUFF Project, deposition no. R210021 (cotype).

Geological Setting of Type Material:

Associated Minerals at Type Locality:

Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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Notes:

Insoluble in water, weakly soluble in HCl.

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 MikenewiteHide

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References for MikenewiteHide

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Reference List:

Bosi, Ferdinando, Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2023) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 71. European Journal of Mineralogy, 35 (1) 75-79 doi:10.5194/ejm-35-75-2023

Yang, Hexiong, Jenkins, Robert A., McGlasson, James A., Gibbs, Ronald B., Downs, Robert T. (2023) Mikenewite, the natural analogue of synthetic α-Mn2(S4O3)⋅3H2O, a new sulfite mineral from the Ojuela mine, Mapimí, Mexico. Mineralogical Magazine, 87 (4) 534-541 doi:10.1180/mgm.2023.24

Localities for MikenewiteHide

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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.