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Reederite-(Y)

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Dr. Richard J. Reeder (c. 2009)
Formula:
(Na,Mn)15Y2(CO3)9(FSO3)Cl
System:
Hexagonal
Colour:
Yellow to orange-brown
Lustre:
Vitreous
Hardness:
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)

Approved 1994
5/C.07-200
5.BF.20

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

Physical Properties of Reederite-(Y)

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
Max Birefringence:
δ = 0.011
Image 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)15Y2(CO3)9(FSO3)Cl
Essential elements:
All elements listed in formula:

Relationship of Reederite-(Y) to other Species

5.BF.05FerrotychiteNa6(Fe,Mn,Mg)2(CO3)4(SO4)
5.BF.05ManganotychiteNa6Mn2(CO3)4(SO4)
5.BF.05NorthupiteNa3Mg(CO3)2Cl
5.BF.05TychiteNa6Mg2(CO3)4(SO4)
5.BF.10BonshtedtiteNa3Fe2+(CO3)(PO4)
5.BF.10BradleyiteNa3Mg(CO3)(PO4)
5.BF.10CrawforditeNa3Sr(CO3)(PO4)
5.BF.10SidorenkiteNa3Mn2+(CO3)(PO4)
5.BF.15Daqingshanite-(Ce)(Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x
5.BF.25Mineevite-(Y)Na25Ba(Y,Gd,Dy)2(CO3)11(HCO3)4(SO4)2F2Cl
5.BF.30BrianyoungiteZn3(CO3,SO4)(OH)4
5.BF.35PhilolithitePb12Mn2+(Mg,Mn2+)2(Mn2+,Mg)4(CO3)4(SO4)O6(OH)12Cl4
5.BF.40LeadhillitePb4(CO3)2(SO4)(OH)2
5.BF.40MacphersonitePb4(CO3)2(SO4)(OH)2
5.BF.40SusannitePb4(CO3)2(SO4)(OH)2

Other Names for Reederite-(Y)

Name in Other Languages:

Other Information

Health Risks:
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)

Localities for Reederite-(Y)

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Mineral and/or Locality  
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