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UM1993-30-TeO:AuPb

Invalid as an unnamed mineral
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Formula:
Au4Pb3(TeO4)2O3
Colour:
Dark green
Hardness:
2½ - 3
This page provides mineralogical data about UM1993-30-TeO:AuPb.


Hide all sections | Show all sections

Unique IdentifiersHide

Mindat ID:
43267
Long-form identifier:
mindat:1:1:43267:6
GUID
(UUID V4):
f7c93c6c-8e74-4c7b-9e77-d0632d1e91a9

IMA Classification of UM1993-30-TeO:AuPbHide

IMA status notes:
Unnamed (probably invalid)
Approval history:
Unnamed, and probably invalid.

Physical Properties of UM1993-30-TeO:AuPbHide

Transparency:
Opaque
Colour:
Dark green
Comment:
Tarnishes in air within a few days
Hardness:
2½ - 3 on Mohs scale
Hardness Data:
Mohs hardness reference species
Comment:
Hardness was found to be less than to equal of that of native gold (i.e. gold as reference species)
Parting:
Good parting is observed parallel to the elongation of the inclusions (clusters)

Optical Data of UM1993-30-TeO:AuPbHide

Anisotropism:
Strong
Reflectivity:
WavelengthR1R2
480nm17.1% 14.0%
546nm23.5% 14.0%
589nm26.1% 14.5%
644nm28.6% 16.0%
656nm29.5% 17.4%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 29.5%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Deep olive green with a purplish tint to light olive green
Internal Reflections:
Very weak to absent
Pleochroism:
Strong
Comments:
Strongly pleochroic in reflected light; deep olive green with a purplish tint to light olive green

Chemistry of UM1993-30-TeO:AuPbHide

Mindat Formula:
Au4Pb3(TeO4)2O3
Elements listed:
Au, O, Pb, Te - search for minerals with similar chemistry

Crystallography of UM1993-30-TeO:AuPbHide

Morphology:
Inclusions up to 0.155 x 0.015 mm in native gold, consisting of anhedral grains and elongate-tabular to crescent-shaped crystals to 15 x 35 µm.

Geological EnvironmentHide

Geological Setting:
Tellurium-rich gold-bearing quartz veins, hosted in diorite and quartz monzonite

Synonyms of UM1993-30-TeO:AuPbHide

Other Language Names for UM1993-30-TeO:AuPbHide

Simplified Chinese:金矿物B (蔡长金)

Other InformationHide

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 UM1993-30-TeO:AuPbHide

References for UM1993-30-TeO:AuPbHide

Localities for UM1993-30-TeO:AuPbHide

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

- 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.
China
 
  • Hebei
    • Zhangjiakou
      • Chongli District
        • Shuiquangou Complex
          • Dongping Au-Te ore field
Changjin Cai (1993)
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