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Indigirite

Formula:
Mg
 
2
Al
 
2
[(CO
 
3
)
 
4
(OH)
 
2
] · 15H
 
2
O
Hardness:2
Name:After the Indigirka River, upon the upper course of which lies the Sarylakh Au-Sb deposit, in which the species occurs.
This page provides mineralogical data about Indigirite.

Classification of Indigirite

IMA status:Approved 1971
Strunz 8th edition ID:5/E.01-50
Nickel-Strunz 10th (pending) edition ID:5.DA.10

5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
A : With medium-sized cations
Dana 8th edition ID:16b.1.3.1

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
1 : AmBn(XO3)pZqxH2O & with (m+n):p = 1:1
Hey's CIM Ref.:11.7.6

11 : Carbonates
7 : Carbonates of Al
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Type Occurrence of Indigirite

Type Locality:Sarylakh Au-Sb deposit, Indigirka River Basin, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia
Year of Discovery:1971

Physical Properties of Indigirite

Hardness (Mohs):2

Optical Data of Indigirite

Type:Uniaxial (+)
RI values: nω = 1.472 nε = 1.502
Maximum Birefringence:δ = 0.030

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate

Chemical Properties of Indigirite

Formula:
Mg
 
2
Al
 
2
[(CO
 
3
)
 
4
(OH)
 
2
] · 15H
 
2
O
Essential elements:Al, C, H, Mg, O
All elements listed in formula:Al, C, H, Mg, O

Relationship of Indigirite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.DA.05Dypingite
Mg
 
5
[OH|(CO
 
3
)
 
2
]
 
2
 · 5H
 
2
O
5.DA.05Giorgiosite
Mg
 
5
[(CO
 
3
)
 
4
(OH)
 
2
] · 4H
 
2
O
5.DA.05Hydromagnesite
Mg
 
5
[(CO
 
3
)
 
4
(OH)
 
2
] · 4H
 
2
O
5.DA.05Widgiemoolthalite
Ni
 
5
[(CO
 
3
)
 
4
(OH)
 
2
] · 5H
 
2
O
5.DA.05UM1986-10
Mg
 
5
(Zn,Mn)
 
3
(CO
 
3
)
 
2
(OH,Cl)
 
12
·H
 
2
O
5.DA.05UM1987-01
Mg
 
4
(CO
 
3
)
 
2
(OH)
 
2
·6H
 
2
O ?
5.DA.10Artinite
Mg
 
2
[(OH)
 
2
|CO
 
3
] · 3H
 
2
O
5.DA.10Chlorartinite
[Mg
 
2
(CO
 
3
)(H
 
2
O)(OH)]Cl · H
 
2
O
5.DA.15Otwayite
Ni
 
2
CO
 
3
(OH)
 
2
·H
 
2
O
5.DA.15Zaratite
Ni
 
3
(CO
 
3
)(OH)
 
4
·4H
 
2
O
5.DA.20Kambaldaite
NaNi
 
4
(CO
 
3
)
 
3
(OH)
 
3
·3H
 
2
O
5.DA.25Callaghanite
Cu
 
2
Mg
 
2
[(OH)
 
6
|CO
 
3
] · 2H
 
2
O
5.DA.30Claraite
(Cu,Zn)
 
3
[(OH)
 
4
|CO
 
3
] · 4H
 
2
O
5.DA.35Hydroscarbroite
Al
 
14
(CO
 
3
)
 
3
(OH)
 
36
·nH
 
2
O
5.DA.35Scarbroite
Al
 
5
(OH)
 
13
CO
 
3
·5H
 
2
O
5.DA.40Caresite
Fe
2+
4
Al
 
2
[(OH)
 
12
|CO
 
3
] · 3H
 
2
O
5.DA.40Quintinite
Mg
 
4
Al
 
2
(OH)
 
12
CO
 
3
H
 
2
O
5.DA.40Charmarite
Mn
2+
4
Al
 
2
[(OH)
 
12
|CO
 
3
] · 3H
 
2
O
5.DA.45Barbertonite
Mg
 
6
(Cr,Al)
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.45Brugnatellite
Mg
 
6
Fe
3+
 
[(OH)
 
13
|CO
 
3
] · 4H
 
2
O
5.DA.45Chlormagaluminite
(Mg,Fe
2+
 
)
 
4
Al
 
2
[(OH)
 
12
|(Cl
 
2
,CO
 
3
)] · 2H
 
2
O
5.DA.45Manasseite
Mg
 
6
Al
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.45Sjögrenite
Mg
 
6
Fe
3+
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.45Zaccagnaite
Zn
 
4
Al
 
2
(CO
 
3
)(OH)
 
12
·3H
 
2
O
5.DA.50Comblainite
(Ni
 
x
,Co
 
1-x
)(OH)
 
2
(CO
 
3
)
 
(1-x)/2
·nH
 
2
O
5.DA.50Desautelsite
Mg
 
6
Mn
3+
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.50Hydrotalcite
Mg
 
6
Al
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.50Pyroaurite
Mg
 
6
Fe
3+
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.50Reevesite
Ni
 
6
Fe
3+
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.50Stichtite
Mg
 
6
Cr
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.50Takovite
Ni
 
6
Al
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.55Coalingite
Mg
 
10
Fe
3+
2
[(OH)
 
24
|CO
 
3
] · 2H
 
2
O
5.DA.60Karchevskyite
Related Minerals - Hey's Index Grouping:

- +
11.7.1Scarbroite
Al
 
5
(OH)
 
13
CO
 
3
·5H
 
2
O
11.7.2Hydroscarbroite
Al
 
14
(CO
 
3
)
 
3
(OH)
 
36
·nH
 
2
O
11.7.3Dawsonite
NaAlCO
 
3
(OH)
 
2
11.7.4Hydrotalcite
Mg
 
6
Al
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
11.7.5Manasseite
Mg
 
6
Al
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
11.7.7Alumohydrocalcite
CaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
·3H
 
2
O
11.7.8Para-alumohydrocalcite
CaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
·6H
 
2
O
11.7.9Tunisite
NaCa
 
2
Al
 
4
(CO
 
3
)
 
4
(OH)
 
8
Cl
11.7.10Wermlandite
Mg
 
7
(Ca,Mg)(Al,Fe)
 
2
(SO
 
4
)
 
2
(OH)
 
18
(H
 
2
O)
 
12
11.7.11Montroyalite
Sr
 
4
Al
 
8
[(OH,F)
 
26
|(CO
 
3
)
 
3
] · 10-11H
 
2
O
11.7.12Dresserite
BaAl
 
2
[(OH)
 
2
|CO
 
3
]
 
2
 · H
 
2
O
11.7.13Hydrodresserite
BaAl
 
2
[(OH)
 
2
|CO
 
3
]
 
2
 · 3H
 
2
O
11.7.14Strontiodresserite
(Sr,Ca)Al
 
2
[(OH)
 
2
|CO
 
3
]
 
2
 · H
 
2
O

Other Names for Indigirite

Synonyms:
IMA1971-012
Other Languages:
German:Indigirit
Spanish:Indigirita

Other Information

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

References for Indigirite

Reference List:American Mineralogist (1972): 57: 326.

Articles/Blogs about Indigirite

Internet Links for Indigirite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Indigirite in the Natural History Museum (London) online catalogue
  • Indigirite details from Handbook of Mineralogy (PDF)
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    Localities for Indigirite

    (TL) indicates type locality. ? 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.
    Italy
     
    • Sardinia
      • Cagliari Province
        • Villaputzu
    		Orlandi, P. & Campostrini, I. (2005): Zibaldone. Aggiornamenti di mineralogia italiana 2004. Rivista Mineralogica Italiana, 3/2005, 184-191.
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha Republic; Yakutia)
        • Indigirka River Basin
    		No reference listed
    Mineral and/or Locality
    Google
     
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