Katiarsite (original) (raw)

A valid IMA mineral species

About KatiarsiteHide

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Specific Gravity:

3.49 (Calculated)

Crystal System:

Orthorhombic

Name:

Name of the mineral reflects its chemical composition, kalium titanyl arsenate.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:46153:5

4e61f06e-7c1e-4acf-a71a-749184cefc96

IMA Classification of KatiarsiteHide

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Classification of KatiarsiteHide

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8.BH.70

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
H : With medium-sized and large cations, (OH,etc.):RO4 = 1:1

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 KatiarsiteHide

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Fracture:

Irregular/Uneven

Density:

3.49 g/cm3 (Calculated)

Optical Data of KatiarsiteHide

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RI values:

_n_α = 1.784(3) _n_β = 1.792(3) _n_γ = 1.870(5)

δ = 0.086

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

Chemistry of KatiarsiteHide

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Mindat Formula:

KTiO(AsO4)

Common Impurities:

Fe(III)

Crystallography of KatiarsiteHide

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Crystal System:

Orthorhombic

Class (H-M):

m _m_2 - Pyramidal

Cell Parameters:

a = 13.174(4) Å, b = 6.5635(10) Å, c = 10.805(2) Å

Ratio:

a:b:c = 2.007 : 1 : 1.646

Unit Cell V:

934.28 ų (Calculated from Unit Cell)

Morphology:

Long prismatic to acicular, typically sword-like crystals up to 3 x 10 x 50 um, rarely up to 0.15 mm long. Crystal forms are: {011}, {201}, {100} and {001}.

Crystal StructureHide

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ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0020226	Katiarsite	Mayo S C, Thomas P A, Teat S J, Loiacono G M, Loiacono D N (1994) Structure and non-linear optical properties of KTiOAsO4 Acta Crystallographica B50 655-662		1994	synthetic	0	293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Comments:

From Type Description.

Geological EnvironmentHide

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Type Occurrence of KatiarsiteHide

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General Appearance of Type Material:

Long prismatic to acicular, typically sword-like crystals up to 3 x 10 x 50 µm, rarely up to 0.15 mm long; crystal forms observed: {011}, {201}, {100}, {001}

Place of Conservation of Type Material:

Type material is deposited in the collections of the Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 4540/1

Geological Setting of Type Material:

Associated Minerals at Type Locality:

Synonyms of KatiarsiteHide

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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 KatiarsiteHide

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References for KatiarsiteHide

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Reference List:

Pekov, Igor V., Yapaskurt, Vasiliy O., Britvin, Sergey N., Zubkova, Natalia V., Vigasina, Marina F., Sidorov, Evgeny G. (2016) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. V. Katiarsite, KTiO(AsO4) Mineralogical Magazine, 80 (4) 639-646 doi:10.1180/minmag.2016.080.007

Localities for KatiarsiteHide

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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.