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Hydroscarbroite

A valid IMA mineral species - grandfathered - questionable
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Formula:
Al14(CO3)3(OH)36 · nH2O
Colour:
white
Lustre:
Dull
Crystal System:
Triclinic
Name:
Named for being a fully hydrated scarbroite.
Alters irreversibly on exposure to air.
See also Scarbroite.


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Unique IdentifiersHide

Mindat ID:
1986
Long-form identifier:
mindat:1:1:1986:2

IMA Classification of HydroscarbroiteHide

Classification of HydroscarbroiteHide

Strunz-mindat (2025):
5.DA.35

5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
A : With medium-sized cations
Dana 8th ed.:
16b.7.9.1

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous
Hey's CIM Ref.:
11.7.2

11 : Carbonates
7 : Carbonates of Al

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
HscaIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of HydroscarbroiteHide

Lustre:
Dull
Transparency:
Translucent
Colour:
White
Comment:
Tenacity: Friable, clayey

Chemistry of HydroscarbroiteHide

Mindat Formula:
Al14(CO3)3(OH)36 · nH2O
Element Weights:
Element% weight
O61.948 %
Al31.795 %
H3.224 %
C3.033 %

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

Crystallography of HydroscarbroiteHide

Crystal System:
Triclinic
Comment:
Crystal Data: n.d. Point Group: n.d.; Space Group: n.d. Z = n.d.

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47c : [Carbonates, phosphates, borates, nitrates]

Type Occurrence of HydroscarbroiteHide

Other Language Names for HydroscarbroiteHide

Related Minerals - Strunz-mindat GroupingHide

5.DA.AlexkhomyakoviteK6(Ca2Na)(CO3)5Cl · 6H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mcm
5.DA.AmoraiteCa12Al6(OH)36(CO3)2(SO3) · 15H2O Tric. 1 : P1
5.DA.05DypingiteMg5(CO3)4(OH)2 · 5H2OMon.
5.DA.05UM1986-10-CO:ClHMgMnZn (also called Mineral F, Dunn, 1995)Mg5(Zn,Mn)3(CO3)2(OH,Cl)12 · H2O
5.DA.05UM1987-01-CO:HMgSMg4(CO3)2(OH)4 · 6H2O ?Mon.
5.DA.05GiorgiositeMg5(CO3)4(OH)2 · 5-6H2O
5.DA.05HydromagnesiteMg5(CO3)4(OH)2 · 4H2OMon. 2/m : P21/b
5.DA.05WidgiemoolthaliteNi5(CO3)4(OH)2 · 5H2OMon. 2/m : P21/b
5.DA.10ArtiniteMg2(CO3)(OH)2 · 3H2OMon. 2/m : B2/m
5.DA.10ChlorartiniteMg2(CO3)(OH)Cl · 2H2OTrig. 3m : R3c
5.DA.10IndigiriteMg2Al2(CO3)4(OH)2 · 15H2O
5.DA.15ZaratiteNi3(CO3)(OH)4 · 4H2O ?Iso.
5.DA.15OtwayiteNi2(CO3)(OH)2 · H2OOrth.
5.DA.20KambaldaiteNaNi4(CO3)3(OH)3 · 3H2OHex. 6 : P63
5.DA.25CallaghaniteCu2Mg2(CO3)(OH)6 · 2H2OMon. 2/m : B2/b
5.DA.30Claraite(Cu,Zn)15(CO3)4(AsO4)2(SO4)(OH)14 · 7H2OTric. 1 : P1
5.DA.35ScarbroiteAl5(CO3)(OH)13 · 5H2OTric.
5.DA.40KarchevskyiteMg18Al9(OH)54Sr2(CO3)9(H2O)6(H3O)5Trig.
5.DA.40UM1987-05-OH:AlCMgMg4Al2(OH)12(CO3,SO4) · 3H2O
5.DA.40QuintiniteMg4Al2(OH)12(CO3) · 3H2OHex. 6 2 2 : P63 2 2
5.DA.40CharmariteMn2+4Al2(OH)12[CO3] · 3H2OHex.
5.DA.40CaresiteFe2+4Al2(OH)12[CO3] · 3H2OTrig. 3 2 : P31 1 2
5.DA.45Hydrotalcite-2HMg6Al2(CO3)(OH)16 · 4H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
5.DA.45Stichtite-2HMg6(Cr,Al)2(CO3)(OH)16 · 4H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
5.DA.45BrugnatelliteMg6Fe3+(CO3)(OH)13 · 4H2OHex.
5.DA.45ZaccagnaiteZn4Al2(OH)12[CO3] · 3H2OHex.
5.DA.45Pyroaurite-2HMg6Fe3+2(OH)16(CO3) · 4H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
5.DA.45LiudongshengiteZn4Cr2(OH)12(CO3) · 3H2OTrig. 3m (3 2/m) : R3m
5.DA.45ChlormagaluminiteMg4Al2(OH)12Cl2 · 3H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mcm
5.DA.50PyroauriteMg6Fe3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
5.DA.50TakoviteNi6Al2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
5.DA.50ReevesiteNi6Fe3+2(OH)16(CO3) · 4H2OTrig. 3m (3 2/m) : R3m
5.DA.50KaznakhtiteNi6Co3+2(CO3)(OH)16 · 4H2OTrig. 3 : R3
5.DA.50ComblainiteNi4Co2(OH)12[CO3] · 3H2OTrig.
5.DA.50Marioantofilliite[Cu4Al2(OH)12](CO3) · 3H2OMon. 2/m : B2/m
5.DA.50HydrotalciteMg6Al2(CO3)(OH)16 · 4H2OTrig. 3m (3 2/m) : R3m
5.DA.50StichtiteMg6Cr3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
5.DA.50DesautelsiteMg6Mn3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m)
5.DA.55CoalingiteMg10Fe3+2(OH)24[CO3] · 2H2OTrig. 3m (3 2/m) : R3m
5.DA.55Akopovaite Al4Li2(OH)12(CO3)(H2O)3Mon. 2/m : B2/m
5.DA.60ŠlikiteZn2Mg(CO3)2(OH)2 · 4H2OTric. 1 : P1
5.DA.65MarkliteCu5(CO3)2(OH)6 · 6H2OMon. 2/m : P21/b

Other InformationHide

Notes:
Dehydrates irreversibly to scarbroite.
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 HydroscarbroiteHide

References for HydroscarbroiteHide

Localities for HydroscarbroiteHide

ⓘ - 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 (TL)
 
  • England
    • North Yorkshire
      • Scarborough
        • Scarborough
Duffin et al. (1960) +1 other reference
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