Hashemite (original) (raw)

A valid IMA mineral species

About HashemiteHide

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Colour:

Brown, dark greenish brown, yellow-brown, yellow

Specific Gravity:

4.54 - 4.59

Crystal System:

Orthorhombic

Name:

Named by Phoebe L. Hauff, Eugene E. Foord, Sam Rosenblum, and Walid Hakki for the Hashemite Kingdom of Jordan (the official name of Jordan), where the type locality is located.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:1823:0

f87d5935-7683-458a-add4-eea7c843eae1

IMA Classification of HashemiteHide

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Classification of HashemiteHide

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7.FA.15

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
F : Chromates
A : Without additional anions

35.3.3.1

35 : ANHYDROUS CHROMATES
3 : AXO4

27.2.4

27 : Sulphites, Chromates, Molybdates and Tungstates
2 : Chromates

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.

Pronunciation of HashemiteHide

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Pronunciation:

Physical Properties of HashemiteHide

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Colour:

Brown, dark greenish brown, yellow-brown, yellow

Comment:

Commonly zoned from cores of dark greenish brown to pale yellow brown.

Cleavage:

Perfect
Perfect {001}
Good {010} {100}

Density:

4.54 - 4.59 g/cm3 (Measured) 4.49(3) g/cm3 (Calculated)

Optical Data of HashemiteHide

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RI values:

_n_α = 1.810 - 1.952 _n_β = 1.813 - 1.960 _n_γ = 1.824 - 1.977

2V:

Measured: 35° to 57°, Calculated: 55° to 69°

δ = 0.014 - 0.025

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

Chemistry of HashemiteHide

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Crystallography of HashemiteHide

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Crystal System:

Orthorhombic

Class (H-M):

m m m _(_2/_m_2/_m_2/m ) - Dipyramidal

Cell Parameters:

a = 9.1028(14) Å, b = 5.5276(7) Å, c = 7.3314(11) Å

Ratio:

a:b:c = 1.647 : 1 : 1.326

Unit Cell V:

368.89 ų (Calculated from Unit Cell)

Morphology:

Stubby, doubly terminated to tabular crystals. Forms include {100}, {010}, {001}, and {110}.

Crystal StructureHide

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ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0001046	Hashemite	Duesler E N, Foord E E (1986) Crystal structure of hashemite, BaCrO4, a barite structure type American Mineralogist 71 1217-1220		1986	from a stone quarry 60 km southeast of Amman, west-central Jordan	0	293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of HashemiteHide

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General Appearance of Type Material:

Euhedral brown crystals, less than 1 mm long, on ettringite. Color ranges from dark to light colored; some grains are zoned and have dark cores and light rims.

Place of Conservation of Type Material:

National Museum of Natural History (Smithsonian), Washington, D.C., USA, 146183.

Geological Setting of Type Material:

Phosphate carbonate rock.

Associated Minerals at Type Locality:

Synonyms of HashemiteHide

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Other Language Names for HashemiteHide

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Relationship of Hashemite 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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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 HashemiteHide

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References for HashemiteHide

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Reference List:

Hauff, P.L., Foord, E.E., Rosenblum, S., Hakki, W. (1983) Hashemite, Ba(Cr,S)O4, a new mineral from Jordan. American Mineralogist: 68: 1223-1225.

Juroszek, R., Krüger, B., Banasik, K., Vapnik, Y., Galuskina, I. (2018) Raman spectroscopy and structural study of baryte-hashemite solid solution from pyrometamorphic rocks of the Hatrurim Complex, Israel. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 205, 582-592.

Localities for HashemiteHide

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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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