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Qatranaite

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Formula:
CaZn2(OH)6(H2O)2
Hardness:
Specific Gravity:
2.598 (Calculated)
Crystal System:
Monoclinic
Known synthetic analogue. The only currently known natural Ca-Zn hydroxide, or possibly a Ca hexahydroxozincate.


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Classification of QatranaiteHide

Approved
Approval Year:
2016

Physical Properties of QatranaiteHide

Hardness:
3½ on Mohs scale
Hardness:
VHN25= 171 kg/mm2 - Vickers
Cleavage:
None Observed
Parting:
None
Fracture:
Irregular/Uneven
Density:
2.598 g/cm3 (Calculated)

Chemical Properties of QatranaiteHide

Formula:
CaZn2(OH)6(H2O)2

Crystallography of QatranaiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
Cell Parameters:
a = 6.3889(8) Å, b = 10.969(1) Å, c = 5.7588(8) Å
β = 101.95(1)°
Ratio:
a:b:c = 0.582 : 1 : 0.525
Unit Cell V:
394.83 ų (Calculated from Unit Cell)
Z:
2

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.250Å(35)
5.002Å(14)
3.922Å(23)
3.124Å(47)
2.881Å(100)
2.723Å(28)
2.451Å(12)
1.575Å(20)

Type Occurrence of QatranaiteHide

General Appearance of Type Material:
crystals up to 0.3 mm in size
Place of Conservation of Type Material:
The Fersman Mineralogical Museum, Leninskiy pr., 18/к2, 15162 Moscow, Russia, catalogue number 4855/1
Associated Minerals at Type Locality:

Synonyms of QatranaiteHide

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.

References for QatranaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Stasiak, M., Galuskin, E.V., Kusz, J., Galuskina, I.O., Krzykawski, T., Vapnik, Y., Murashko, M. and Dulski, M. (2016) Qatranaite, IMA 2016-024. CNMNC Newsletter No. 32, August 2016, page 918; Mineralogical Magazine, 80: 915–922.
Vapnik, Y., Galuskin, E. V., Galuskina, I. O., Kusz, J., Stasiak, M., Krzykawski, T., & Dulski, M. (2019) Qatranaite, CaZn2 (OH) 6∙ 2H2O: a new mineral from altered pyrometamorphic rocks of the Hatrurim Complex, Daba-Siwaqa, Jordan. European Journal of Mineralogy 31 (3): 575-584.

Internet Links for QatranaiteHide

Localities for QatranaiteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Jordan (TL)
 
  • Amman
    • Hashem region
      • Lisdan-Siwaga Fault
        • Siwaga
Stasiak, M., Galuskin, E.V., Kusz, J., Galuskina, I.O., Krzykawski, T., Vapnik, Y., Murashko, M. and Dulski, M. (2016) Qatranaite, IMA 2016-024. CNMNC Newsletter No. 32, August 2016, page 918; Mineralogical Magazine, 80: 915–922.
 
Mineral and/or Locality  
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