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Caresite

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Formula:
Fe
2+
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
System:TrigonalLustre:Vitreous
Hardness:2
Member of:Quintinite Group > Hydrotalcite Supergroup
Name:Named after Steve Cares (1909-2006) and Janet Cares (1921-2011) of Sudbury, Massachusetts, USA, who found the mineral.
This page provides mineralogical data about Caresite.

Classification of Caresite

IMA status:Approved 1992
Strunz 8th edition ID:5/E.02-07
Strunz 9th edition ID:5.DA.40
Nickel-Strunz 10th (pending) edition ID:5.DA.40

5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
A : With medium-sized cations
Dana 8th edition ID:16b.7.16.3

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous
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Type Occurrence of Caresite

Co-type Localities:Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
Corporation quarry, Montréal, Québec, Canada

Physical Properties of Caresite

Lustre:Vitreous
Hardness (Mohs):2

Crystallography of Caresite

Crystal System:Trigonal

Optical Data of Caresite

Type:Uniaxial (-)
RI values: nω = 1.599 nε = 1.570
Maximum Birefringence:δ = 0.029

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

Chemical Properties of Caresite

Formula:
Fe
2+
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
Simplified for copy/paste:Fe2+4Al2(OH)12[CO3]·3H2O
Essential elements:Al, C, Fe, H, O
All elements listed in formula:Al, C, Fe, H, O

Relationship of Caresite to other Species

Member of:Quintinite Group > Hydrotalcite Supergroup
Other Members of Group:

- +
Charmarite
Mn
2+
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
Chlormagaluminite
Mg
 
4
Al
 
2
(OH)
 
12
Cl
 
2
· 3H
 
2
O
Comblainite
Ni
 
4
Co
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
Quintinite
Mg
 
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
Zaccagnaite
Zn
 
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
5.DA.05Dypingite
Mg
 
5
(CO
 
3
)
 
4
(OH)
 
2
· 5H
 
2
O
5.DA.05Giorgiosite
Mg
 
5
(CO
 
3
)
 
4
(OH)
 
2
· 5-6H
 
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-CO:ClHMgMnZn
Mg
 
5
(Zn,Mn)
 
3
(CO
 
3
)
 
2
(OH,Cl)
 
12
· H
 
2
O
5.DA.05UM1987-01-CO:HMgS
Mg
 
4
(CO
 
3
)
 
2
(OH)
 
2
· 6H
 
2
O ?
5.DA.10Artinite
Mg
 
2
(CO
 
3
)(OH)
 
2
· 3H
 
2
O
5.DA.10Indigirite
Mg
 
2
Al
 
2
(CO
 
3
)
 
4
(OH)
 
2
· 15H
 
2
O
5.DA.10Chlorartinite
Mg
 
2
(CO
 
3
)(OH)Cl · 2H
 
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
(CO
 
3
)(OH)
 
6
· 2H
 
2
O
5.DA.30Claraite
(Cu,Zn)
 
3
(CO
 
3
)(OH)
 
4
· 4H
 
2
O
5.DA.35Hydroscarbroite
Al
 
14
(CO
 
3
)
 
3
(OH)
 
36
· nH
 
2
O
5.DA.35Scarbroite
Al
 
5
(CO
 
3
)(OH)
 
13
· 5H
 
2
O
5.DA.40Quintinite
Mg
 
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
5.DA.40Charmarite
Mn
2+
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
5.DA.45Stichtite-2H
Mg
 
6
(Cr,Al)
 
2
(CO
 
3
)(OH)
 
16
· 4H
 
2
O
5.DA.45Brugnatellite
Mg
 
6
Fe
3+
 
(CO
 
3
)(OH)
 
13
· 4H
 
2
O
5.DA.45Chlormagaluminite
Mg
 
4
Al
 
2
(OH)
 
12
Cl
 
2
· 3H
 
2
O
5.DA.45Hydrotalcite-2H
Mg
 
6
Al
 
2
(CO
 
3
)(OH)
 
16
· 4H
 
2
O
5.DA.45Pyroaurite-2H
Mg
 
6
Fe
3+
2
(CO
 
3
)(OH)
 
16
· 4H
 
2
O
5.DA.45Zaccagnaite
Zn
 
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
5.DA.50Comblainite
Ni
 
4
Co
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
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.50UM1998-10-CO:CoHNi
Co
 
6
Fe
 
2
(CO
 
3
)(OH)
 
16
· 4H
 
2
O ?
5.DA.55Coalingite
Mg
 
10
Fe
3+
2
(OH)
 
24
[CO
 
3
] · 2H
 
2
O

Other Names for Caresite

Synonyms:
IMA1992-030
Other Languages:
German:Caresit
Spanish:Caresita

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 Caresite

Reference List:

- +
CHAO, G.Y., and GAULT, R.A. (1997) Quintinite-2H, quintinite-3T, charmarite-2H, charmarite-3T and caresite-3T, a new group of carbonate minerals related to the hydrotalcite-manasseite group. Canadian Mineralogist, 35, 1541-1549.

Mills, S. J., A. G. Christy, J.-M. R. Genin, T. Kameda, and F. Colombo (2012) Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides. Mineralogical Magazine 76(5), 1289-1336.

Internet Links for Caresite

Search Engines:
  • Look for Caresite on Google
  • Look for Caresite images on Google
  • External Links:
  • Look for Caresite on Webmineral
  • Look for Caresite on Athena Mineralogy
  • Look for Caresite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Caresite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • Rare and Unusual minerals at Mineralogical Research Company
  • Caresite specimens for sale - minfind.com
  • Buy from Dave Bunk Minerals
  • Buy from David K Joyce minerals
  • Search for Caresite on Well-Arranged Molecules
  • rare and unusual minerals mainly crystallized
  • SpiriferMinerals.com - high quality low prices
  • Wilensky Fine Minerals
  • The Arkenstone - Fine Minerals
  • Buy rare minerals from Excalibur Minerals
  • Lapis Mineral Magazin
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Localities for Caresite

    The 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. ? 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.
    Canada
     
    • Québec
      • Montérégie
        • La Vallée-du-Richelieu RCM
          • Mont Saint-Hilaire
    Chao, G.Y., Gault, R.A. (1997), Quintinite-2H, quintinite-3T, charmarite-2H, charmarite-3T, and caresite-3T, a new group of carbonate minerals related to the hydrotalcite-manasseite group. Canadian Mineralogist: 35: 1541-1549.
      • Montréal
    CHAO, G.Y., and GAULT, R.A. (1997) Quintinite-2H, quintinite-3T, charmarite-2H, charmarite-3T and caresite-3T, a new group of carbonate minerals related to the hydrotalcite-manasseite group. Canadian Mineralogist, 35, 1541-1549.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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