Hiärneite (original) (raw)

A valid IMA mineral species

About HiärneiteHide

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Formula:

Ca2Zr4Mn3+SbTiO16

formula revised due to acceptance of the proposal 21-G; formerly given as: (Ca,Mn,Na)2(Zr,Mn3+)5(Sb,Ti,Fe)2O16

Specific Gravity:

5.44 (Calculated)

Crystal System:

Tetragonal

Name:

Named after Urban Hiärne (20 December 1641 – 10 March 1724), a pioneer in Swedish geology. It is approximately pronounced year-ne-ite.

This page provides mineralogical data about Hiärneite.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:6994:2

d544edef-a4c7-465c-a405-dbe81ddfaad9

IMA Classification of HiärneiteHide

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IMA status notes:

Redefined by the IMA

Approval history:

Redefined IMA 21-G - Miyawaki et al. 2022.

Type description reference:

Classification of HiärneiteHide

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4.DL.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
L : With large (+- medium-sized) cations; fluorite-type structures

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 HiärneiteHide

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Comment:

In thin section it is weakly dichroic in orange and yellow-orange.

Hardness:

VHN50=1254 kg/mm2 - Vickers

Density:

5.44(1) g/cm3 (Calculated)

Optical Data of HiärneiteHide

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RI values:

_n_ω = 2.120(2) _n_ε = 2.160(2)

Birefringence:

Weakly dichroic in orange and yellow-orange.

δ = 0.040

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

Colour in reflected light:

Colourless to gray

Internal Reflections:

Yellow

Chemistry of HiärneiteHide

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Mindat Formula:

Ca2Zr4Mn3+SbTiO16

formula revised due to acceptance of the proposal 21-G; formerly given as: (Ca,Mn,Na)2(Zr,Mn3+)5(Sb,Ti,Fe)2O16

Crystallography of HiärneiteHide

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Crystal System:

Tetragonal

Class (H-M):

4/m m m _(_4/_m_2/_m_2/m ) - Ditetragonal Dipyramidal

Cell Parameters:

a = 15.264(1) Å, c = 10.089(2) Å

Unit Cell V:

2,350.63 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of HiärneiteHide

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General Appearance of Type Material:

Single grains and in aggregates up to 0.5 mm wide. Individual crystals are subhedral, with a short-prismatic habit, and do not exceed 200 microns their greatest dimension.

Place of Conservation of Type Material:

Swedish Museum of Natural History, under the catalogue number 920766.

Geological Setting of Type Material:

Associated Minerals at Type Locality:

Reference:

Holtstam, D. (1997) Hiärneite, a new, Zr-Sb oxide mineral isostructural with calzirtite, from Långban, Sweden. European Journal of Mineralogy: 9: 843-848.

Synonyms of HiärneiteHide

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Other Language Names for HiärneiteHide

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Relationship of Hiärneite 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 HiärneiteHide

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Other InformationHide

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Notes:

The mineral is insoluble in cold mineral acids.

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 HiärneiteHide

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References for HiärneiteHide

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Localities for HiärneiteHide

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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.