Indigirite (original) (raw)

A valid IMA mineral species

About IndigiriteHide

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Formula:

Mg2Al2(CO3)4(OH)2 · 15H2O

Name:

After the Indigirka River, Russia, upon the upper course of which lies the Sarylakh Au-Sb deposit, in which the species occurs.

This page provides mineralogical data about Indigirite.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:2028:8

ba7df00a-edb8-491c-9b4c-f49958cf8976

IMA Classification of IndigiriteHide

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Type description reference:

Indolev, L.N., Zhdanov, Y.Y., Kashertseva, K.I., Soknev, V.S., Del'Yanidi, K.I. (1971) The new mineral indigirite, a hydrous mangesium aluminum carbonate. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 100(2): 178-183.

Classification of IndigiriteHide

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5.DA.10

5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
A : With medium-sized cations

16b.1.3.1

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
1 : AmBn(XO3)pZq

xH2O & with (m+n):p = 1:1

11.7.6

11 : Carbonates
7 : Carbonates of Al

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 IndigiriteHide

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Density:

1.6(1) g/cm3 (Measured)

Optical Data of IndigiriteHide

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RI values:

_n_ω = 1.472 _n_ε = 1.502

δ = 0.030

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

Comments:

Biaxial. Orientation: Positive elongation, parallel extinction. α = 1.472(2) β = n.d. γ = 1.502(2) 2V(meas.) = n.d.

Chemistry of IndigiriteHide

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Mindat Formula:

Mg2Al2(CO3)4(OH)2 · 15H2O

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of IndigiriteHide

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General Appearance of Type Material:

Rosette-like, radiating fibrous aggregates of very fine fibers, needles or plates of length up to 1 mm

Place of Conservation of Type Material:

Geological Museum, Yakutsk Scientific Center, Yakutsk, mk 192;
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 76565, 76566.

Associated Minerals at Type Locality:

Reference:

Indolev, L.N., Zhdanov, Y.Y., Kashertseva, K.I., Soknev, V.S., Del'Yanidi, K.I. (1971) The new mineral indigirite, a hydrous mangesium aluminum carbonate. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 100(2): 178-183.

Synonyms of IndigiriteHide

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Other Language Names for IndigiriteHide

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Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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Thermal Behaviour:

Type material: lost 24% by weight in vacuum (~0.01 mm Hg) at room temperature, 49% at 140°,73% at 660°. The DTA curve shows endothermic breaks at 120° (the main one), 160° and 215°.

Notes:

Insoluble in water, alcohol, or ammonia. Dissolved at once by acids or KOH solution.

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 IndigiriteHide

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References for IndigiriteHide

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Reference List:

Indolev, L.N., Zhdanov, Y.Y., Kashertseva, K.I., Soknev, V.S., Del'Yanidi, K.I. (1971) The new mineral indigirite, a hydrous mangesium aluminum carbonate. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 100(2): 178-183.

Localities for IndigiriteHide

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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.