Kadyrelite (original) (raw)

A valid IMA mineral species

Colour:

Bright to dull orange

Lustre:

Adamantine, Vitreous

Specific Gravity:

8.79 (Calculated)

Name:

For the Kadyrel deposit, Russia, where it occurs.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:2128:5

076686d7-4314-4c2b-aecc-0b3e66169d29

IMA Classification of KadyreliteHide

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IMA Formula:

([Hg1+]2)3OBr3(OH)

Type description reference:

Classification of KadyreliteHide

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3.DD.05

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
D : With Hg

10.5.4.2

10 : OXYHALIDES AND HYDROXYHALIDES
5 : Am(O,OH)pXq

8.5.7

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
5 : Halides of Zn and Hg

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 KadyreliteHide

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Colour:

Bright to dull orange

Hardness:

VHN25=143 - 192 kg/mm2 - Vickers

Fracture:

Irregular/Uneven, Conchoidal

Density:

8.79 g/cm3 (Calculated)

Optical Data of KadyreliteHide

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Reflectivity:

Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 27.7%.

Colour in reflected light:

Grayish-white, with weak bluish tint visible at high magnifications.

Internal Reflections:

Intense orange

Chemistry of KadyreliteHide

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Mindat Formula:

[Hg2]2+3OBr3(OH)

Crystallography of KadyreliteHide

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Class (H-M):

m_3_m _(_4/_m_32/m ) - Hexoctahedral

Cell Parameters:

a = 16.22 Å

Unit Cell V:

4,267.29 ų (Calculated from Unit Cell)

Morphology:

grains, to 0.5 mm

Comment:

Space Group: by analogy to eglestonite

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of KadyreliteHide

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General Appearance of Type Material:

In cavities in carbonate veins, or rarely forms individual grains up to 0.5 mm .

Place of Conservation of Type Material:

Museum of the Institute of Geology and Geophysics, Novosibirsk, Russia, and at the (was) Museum of the Leningrad Mining Institute, Saint Petersburg, Russia.

Geological Setting of Type Material:

Associated Minerals at Type Locality:

Reference:

Vasil’ev, V.I. (1987) Kadyrelite Hg4(Br, Cl)2O – a new oxyhalide of mercury from the Kadyrelsky ore occurrence. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 116: 733–737.

Synonyms of KadyreliteHide

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Other Language Names for KadyreliteHide

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Relationship of Kadyrelite to other SpeciesHide

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Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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Notes:

In 40% KOH the mineral immediately turns black; in HCl, it slowly becomes dark gray, and it is readily soluble in 1:1 HNO3, leaving a cotton-like white residue.

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 KadyreliteHide

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References for KadyreliteHide

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Localities for KadyreliteHide

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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.