Leadamalgam (original) (raw)

A valid IMA mineral species

About LeadamalgamHide

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Analysis corresponds to HgPb2. Crystallographic unit cell has 1 atom per lattice point, implying disordered Pb and Hg in approximate 2:1 ratio.

Specific Gravity:

11.96 (Calculated)

Crystal System:

Tetragonal

Name:

Named for the composition, an alloy of mercury and lead.

This page provides mineralogical data about Leadamalgam.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:2360:9

8ccd3b7f-320f-40a5-b1be-f6a7546f08f7

IMA Classification of LeadamalgamHide

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Classification of LeadamalgamHide

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1.AD.30

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
D : Mercury-amalgam family

1.1.10.1

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

1.32

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.

Physical Properties of LeadamalgamHide

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Density:

11.96 g/cm3 (Calculated)

Optical Data of LeadamalgamHide

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Colour in reflected light:

White to yellowish-white

Comments:

Weak bluish grey to pale bluish grey pleochroism.

Chemistry of LeadamalgamHide

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Mindat Formula:

Pb0.7Hg0.3

Analysis corresponds to HgPb2. Crystallographic unit cell has 1 atom per lattice point, implying disordered Pb and Hg in approximate 2:1 ratio.

Crystallography of LeadamalgamHide

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Crystal System:

Tetragonal

Class (H-M):

4/m m m _(_4/_m_2/_m_2/m ) - Ditetragonal Dipyramidal

Cell Parameters:

a = 3.545(16) Å, c = 4.525(20) Å

Unit Cell V:

56.87 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Comments:

Xiaonanshan Cu-Ni-(Pt-Pd) deposit, Inner Mongolia, China. The data are from the type description.

Geological EnvironmentHide

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Type Occurrence of LeadamalgamHide

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General Appearance of Type Material:

A single grain with a maximum dimension of 50 microns.

Place of Conservation of Type Material:

National Museum for Geology, Beijing, China, number M09333 (type).

Geological Setting of Type Material:

Heavy concentrates from a platinum-bearing Cu-Ni-sulfide deposit.

Associated Minerals at Type Locality:

Synonyms of LeadamalgamHide

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Other Language Names for LeadamalgamHide

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Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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Notes:

Not soluble in HCl, H2SO4 or HNO3.

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 LeadamalgamHide

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References for LeadamalgamHide

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Reference List:

Dunn, P.J., Chao, G.Y., Fleischer, M., Ferraiolo, J.A., Langley, R.H., Pabst, A., Zilczer, J.A. (1985) New mineral names. American Mineralogist, 70, 214-221 (215-216).

Localities for LeadamalgamHide

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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.