Zhanghengite (original) (raw)

A valid IMA mineral species

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03625840017271927736653.jpg

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03625840017271927736653.jpg

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About ZhanghengiteHide

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Specific Gravity:

8.32 (Calculated)

Name:

Named after Zhang Heng (78-139 AD), a famous astronomer of ancient China. Among his achievements are the correction of the Chinese calendar to have it correspond to the seasons (123 AD), the invention of the seismometer (132 AD), the first armillary sphere and the odometer.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:4398:0

f02345e6-8e9e-4283-a78e-278c0600e049

IMA Classification of ZhanghengiteHide

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Type description reference:

Classification of ZhanghengiteHide

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1.AB.10a

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
B : Zinc-brass family

1.1.6.2

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group

1.11

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)

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.

Symbol Source Reference
Zhg IMA–CNMNC Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of ZhanghengiteHide

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Hardness:

VHN10=140 - 150 kg/mm2 - Vickers

Density:

8.32 g/cm3 (Calculated)

Optical Data of ZhanghengiteHide

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Reflectivity:

Wavelength R
405nm 57.7%
437nm 50.8%
480nm 43.9%
549nm 81.1%
591nm 90.0%
645nm 93.7%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 93.7%.

Colour in reflected light:

Bright yellow

Internal Reflections:

None

Chemistry of ZhanghengiteHide

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Crystallography of ZhanghengiteHide

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Class (H-M):

m_3_m _(_4/_m_32/m ) - Hexoctahedral

Cell Parameters:

a = 2.92(2) Å

Unit Cell V:

24.90 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
2.089 Å (100)
1.201 Å (80)
1.044 Å (60)
1.470 Å (50)

Geological EnvironmentHide

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Type Occurrence of ZhanghengiteHide

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General Appearance of Type Material:

Granular, irregular grains to 0.35 mm; tabular; dendritic.

Place of Conservation of Type Material:

National Museum for Geology, Beijing, China, number M10486.

Geological Setting of Type Material:

Associated Minerals at Type Locality:

Reference:

Wang, K. (1986) Zhanghengite - A new mineral. Acta Mineralogica Sinica: 6(3): 220-223.

Synonyms of ZhanghengiteHide

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Other Language Names for ZhanghengiteHide

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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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Special Storage/
Display Requirements:

tarnishes readily in air

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

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References for ZhanghengiteHide

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Localities for ZhanghengiteHide

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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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