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Reederite-(Y)

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Formula:
(Na,Mn)
 
15
Y
 
2
(CO
 
3
)
 
9
(FSO
 
3
)Cl
System:HexagonalColour:Yellow to orange-brown
Lustre:VitreousHardness:3 - 3½
Name:
Named in honor of Professor Richard J. Reeder, at the State University of New York at Stony Brook, for his significant contributions to carbonate mineralogy.


A mineral with a fluorosulphate (FSO3)- anion.

Classification of Reederite-(Y)

IMA status:Approved 1994
Strunz 8th edition ID:5/C.07-200
Nickel-Strunz 10th (pending) edition ID:5.BF.20

5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
F : With (Cl), SO4, PO4, TeO3
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Type Occurrence of Reederite-(Y)

Type Locality:Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Physical Properties of Reederite-(Y)

Lustre:Vitreous
Colour:Yellow to orange-brown
Streak:White
Hardness (Mohs):3 - 3½

Crystallography of Reederite-(Y)

Crystal System:Hexagonal

Optical Data of Reederite-(Y)

Type:Uniaxial (-)
RI values: nω = 1.548 nε = 1.537
Maximum Birefringence:δ = 0.011

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

Chemical Properties of Reederite-(Y)

Formula:
(Na,Mn)
 
15
Y
 
2
(CO
 
3
)
 
9
(FSO
 
3
)Cl
Simplified for copy/paste:(Na,Mn)15Y2(CO3)9(FSO3)Cl
Essential elements:C, Cl, F, Na, O, S, Y
All elements listed in formula:C, Cl, F, Mn, Na, O, S, Y

Relationship of Reederite-(Y) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.BF.05Ferrotychite
Na
 
6
(Fe,Mn,Mg)
 
2
(CO
 
3
)
 
4
(SO
 
4
)
5.BF.05Manganotychite
Na
 
6
Mn
 
2
(CO
 
3
)
 
4
(SO
 
4
)
5.BF.05Northupite
Na
 
3
Mg(CO
 
3
)
 
2
Cl
5.BF.05Tychite
Na
 
6
Mg
 
2
(CO
 
3
)
 
4
(SO
 
4
)
5.BF.10Bonshtedtite
Na
 
3
Fe
2+
 
(CO
 
3
)(PO
 
4
)
5.BF.10Bradleyite
Na
 
3
Mg(CO
 
3
)(PO
 
4
)
5.BF.10Crawfordite
Na
 
3
Sr(CO
 
3
)(PO
 
4
)
5.BF.10Sidorenkite
Na
 
3
Mn
2+
 
(CO
 
3
)(PO
 
4
)
5.BF.15Daqingshanite-(Ce)
(Sr,Ca,Ba)
 
3
(Ce,La)(CO
 
3
)
 
3-x
(PO
 
4
)(OH,F)
 
2x
5.BF.25Mineevite-(Y)
Na
 
25
Ba(Y,Gd,Dy)
 
2
(CO
 
3
)
 
11
(HCO
 
3
)
 
4
(SO
 
4
)
 
2
F
 
2
Cl
5.BF.30Brianyoungite
Zn
 
3
(CO
 
3
,SO
 
4
)(OH)
 
4
5.BF.35Philolithite
Pb
 
12
Mn
2+
 
(Mg,Mn
2+
 
)
 
2
(Mn
2+
 
,Mg)
 
4
(CO
 
3
)
 
4
(SO
 
4
)O
 
6
(OH)
 
12
Cl
 
4
5.BF.40Leadhillite
Pb
 
4
(CO
 
3
)
 
2
(SO
 
4
)(OH)
 
2
5.BF.40Macphersonite
Pb
 
4
(CO
 
3
)
 
2
(SO
 
4
)(OH)
 
2
5.BF.40Susannite
Pb
 
4
(CO
 
3
)
 
2
(SO
 
4
)(OH)
 
2

Other Names for Reederite-(Y)

Synonyms:
IMA1994-012
Other Languages:
Russian:Ридерит-(Y)

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 Reederite-(Y)

Reference List:

- +
Grice J D, Gault R A, Chao G Y (1995) Reederite-(Y), a new sodium rare-earth carbonate mineral with a unique fluorosulfate anion, American Mineralogist 80, 1059-1064.

Mineralogical Record: 27: 304-305.

Internet Links for Reederite-(Y)

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  • Raman and XRD data at RRUFF project
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  • Localities for Reederite-(Y)

    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
    GRICE, J.D., GAULT, R.A., and CHAO,G.Y. (1995) Reederite (Y), a new sodium rare earth carbonate mineral with a unique fluorosulfate anion. American Mineralogist, 80, 1059 1064.
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