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Unnamed (Zn-analogue of Chlormagaluminite)

Valid as an unnamed mineral
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06120890017757186715847.jpg
Unnamed (Zn-analogue of Chlormagaluminite)

Hilarion Mine, Kamariza Mines, Agios Konstantinos, Lavreotiki, East Attica, Attica, Greece
06120890017757186715847.jpg
Unnamed (Zn-analogue of Chlormagaluminite)

Hilarion Mine, Kamariza Mines, Agios Konstantinos, Lavreotiki, East Attica, Attica, Greece
06120890017757186715847.jpg
Unnamed (Zn-analogue of Chlormagaluminite)

Hilarion Mine, Kamariza Mines, Agios Konstantinos, Lavreotiki, East Attica, Attica, Greece
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About Unnamed (Zn-analogue of Chlormagaluminite)Hide

Formula:
Zn4Al2(OH)12Cl2 · 2H2O
Note: Formula is given as "Zn2Al(OH)6Cl·H2O", but synthetic material has 1.5H2O.
This page provides mineralogical data about Unnamed (Zn-analogue of Chlormagaluminite).


Unique IdentifiersHide

Mindat ID:
499380
Long-form identifier:
mindat:1:1:499380:9

IMA Classification of Unnamed (Zn-analogue of Chlormagaluminite)Hide

IMA status notes:
Unnamed (probably valid)

Chemistry of Unnamed (Zn-analogue of Chlormagaluminite)Hide

Mindat Formula:
Zn4Al2(OH)12Cl2 · 2H2O

Note: Formula is given as "Zn2Al(OH)6Cl·H2O", but synthetic material has 1.5H2O.
Element Weights:
Element% weight
Zn41.743 %
O35.752 %
Cl11.318 %
Al8.613 %
H2.574 %

Calculated from ideal end-member formula.
Zn
O
Cl
Al
H
Elements listed:
Al, Cl, H, O, Zn - search for minerals with similar chemistry

First Recorded Occurrence of Unnamed (Zn-analogue of Chlormagaluminite)Hide

Relationship of Unnamed (Zn-analogue of Chlormagaluminite) to other SpeciesHide

Member of:
Quintinite Group > Hydrotalcite Supergroup
Other Members of Quintinite Group:
CaresiteFe2+4Al2(OH)12[CO3] · 3H2OTrig. 32 : P3112
CharmariteMn2+4Al2(OH)12[CO3] · 3H2OHex.
ChlormagaluminiteMg4Al2(OH)12Cl2 · 3H2OHex. 6/mmm(6/m2/m2/m) : P63/mcm
ComblainiteNi4Co2(OH)12[CO3] · 3H2OTrig.
LiudongshengiteZn4Cr2(OH)12(CO3) · 3H2OTrig. 3m(32/m) : R3m
QuintiniteMg4Al2(OH)12(CO3) · 3H2OHex. 622 : P6322
ZaccagnaiteZn4Al2(OH)12[CO3] · 3H2OHex.

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 Unnamed (Zn-analogue of Chlormagaluminite)Hide

References for Unnamed (Zn-analogue of Chlormagaluminite)Hide

Reference List:
Zhitova, E. S., Chukanov, N. V., Pekov, I. V., Schäfer, C., Belakovskiy, D. I., Van, K. V., & Zolotarev (jr), A. A. (2025). The New Natural Layered Double Hydroxide, Zn2Al(OH)6Cl·H2O, from the Lavrion Ore District, Greece. Zapiski RMO Proceedings of the Russian Mineralogical Society, 154(2), 75-87.
Kooli, F. (1997) Rehydration of Zn-Al Layered Double Hydroxides. Clays and Clay Minerals, 45 (1) 92-98 doi:10.1346/ccmn.1997.0450111
Thomas, Grace S., Radha, A. V., Kamath, P. Vishnu, Kannan, S. (2006) Thermally Induced Polytype Transformations among the Layered Double Hydroxides (LDHs) of Mg and Zn with Al. The Journal of Physical Chemistry B, 110 (25). 12365-12371 doi:10.1021/jp061377f
Radha, A. V., Kamath, P. Vishnu, Shivakumara, C. (2007) Conservation of Order, Disorder, and “Crystallinity” during Anion-Exchange Reactions among Layered Double Hydroxides (LDHs) of Zn with Al. The Journal of Physical Chemistry B, 111 (13). 3411-3418 doi:10.1021/jp0684170
Marangoni, Rafael; Bouhent, Mustapha; Taviot-Guého, Christine; Wypych, Fernando; Leroux, Fabrice (2009) Zn2Al layered double hydroxides intercalated and adsorbed with anionic blue dyes: A physico-chemical characterization. Journal of Colloid and Interface Science, 333 (1). 120-127 doi:10.1016/j.jcis.2009.02.001
Oestreicher, Víctor, Fábregas, Ismael, Jobbágy, Matías (2014) One-Pot Epoxide-Driven Synthesis of M2Al(OH)6Cl·1.5H2O Layered Double Hydroxides: Precipitation Mechanism and Relative Stabilities. The Journal of Physical Chemistry C, 118 (51). 30274-30281 doi:10.1021/jp510341q

Localities for Unnamed (Zn-analogue of Chlormagaluminite)Hide

Showing 2 localities.

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.
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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.
Greece (FRL)
 
  • Attica
    • East Attica
      • Lavreotiki
        • Agios Konstantinos (Kamariza)
          • Kamariza Mines (Kamareza Mines)
 ...
Zhitova et al. (jr)
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