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Clogauite-12H

A structural variant of Clogauite
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Formula:
PbBi4Te4S3
Specific Gravity:
7.3724 (Calculated)
Crystal System:
Trigonal
A polytype of Clogauite

polytype with the simplest (5.7) stack is the most common and occurs as repeats across distances as large as 350 nm.
Regular combinations of 5-atom (Te-Bi-S-Bi-Te) and 7-atom (Te–Bi–S–Pb–S–Bi–Te)
layers.


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Unique IdentifiersHide

Mindat ID:
470935
Long-form identifier:
mindat:1:1:470935:6

Physical Properties of Clogauite-12HHide

Density:
7.3724 g/cm3 (Calculated)

Chemistry of Clogauite-12HHide

Mindat Formula:
PbBi4Te4S3
Element Weights:
Element% weight
Bi50.671 %
Te30.939 %
Pb12.560 %
S5.831 %

Calculated from ideal end-member formula.
Elements listed:
Bi, Pb, S, Te - search for minerals with similar chemistry

Crystallography of Clogauite-12HHide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
P3m1
Setting:
P3m1
Cell Parameters:
a = 4.277(4) Å, c = 23.46(14) Å
Ratio:
a:c = 1 : 5.485
Unit Cell V:
371.65 ų (Calculated from Unit Cell)
Z:
1

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 Clogauite-12HHide

References for Clogauite-12HHide

Localities for Clogauite-12HHide

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.
UK
 
  • Wales
    • Gwynedd
      • Llanelltyd
Cook et al. (2024)
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