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Marklite

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Gregor Markl in the field
Formula:
Cu5(CO3)2(OH)6 · 6H2O
System:
Monoclinic
Name:
Named after Prof. Dr. Gregor Markl,born February 22nd, 1971 in Frankfurt a.M., Germany,mineralogist at the University of Tübingen, Germany, who found the type specimen of marklite, for his numerous studies and books on crustal petrology, geochemistry and specifically on the hydrothermal ore deposits of the Black Forest area (genesis, oxidative alteration, mineralogy and geochemistry).
New structure type.

Visually similar to devilline and serpierite.

Chemically similar to georgeite; also to claraite (Zn-bearing) and 'cuproartinite' (Mg-bearing); and to azurite and malachite (basic but without water molecules).


Classification of Marklite

Approved
Approval Year:
2016

Chemical Properties of Marklite

Formula:
Cu5(CO3)2(OH)6 · 6H2O
Elements listed in formula:

Crystallography of Marklite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Space Group Setting:
P21/c
Cell Parameters:
a = 12.137(2) Å, b = 6.3832(6) Å, c = 10.579(1) Å
β = 112.4(1)°
Ratio:
a:b:c = 1.901 : 1 : 1.657
Unit Cell Volume:
V 757.74 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction Data:
d-spacingIntensity
11.23(100)
5.61(41)
5.31(32)
3.743(16)
3.054(17)
2.675(30)
2.241(27)
1.539(21)

Type Occurrence of Marklite

Place of Conservation of Type Material:
Mineralogical collections of (1) the Eberhard Karls Universität, Tübingen, Germany (catalogue number 3586 T), and (2) the Natural History Museum of Los Angeles County, Los Angeles, USA (catalogue number 65630)

Other Names for Marklite

Name in Other Languages:

Other Information

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

References for Marklite

Reference List:
Anonymous (2016) Marklit ein neues Kupfer-Karbonat. Mineralien-Welt: 27(1): 2. [in German]

Plášil, J., Kampf, A.R., Keuper, M., Škoda, R. (2016) Marklite, IMA 2015-101. CNMNC Newsletter No. 29, February 2016, 204. Mineralogical Magazine: 80: 199–205.

Plášil, J. (2016): http://www.jachymov2016.cz/abstracts (pp. 71-74).

Internet Links for Marklite

mindat.org URL:
https://www.mindat.org/min-46877.html
Please feel free to link to this page.

Localities for Marklite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Germany (TL)
 
  • Baden-Württemberg
    • Black Forest
      • Schapbach
        • Wildschapbach valley
Anonymous (2016): Marklit ein neues Kupfer-Karbonat. Mineralien-Welt 27 (1), 2.
Mineral and/or Locality  
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