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Morefield Mine (Morefield pegmatite), Winterham, Amelia Co., Virginia, USA

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Mine owner Sam Dunaway with pegmatite

Morefield Mine, Winterham, Amelia Co., Virginia, USA
Face of vertical pegmatite before diabase dike

Morefield Mine, Winterham, Amelia Co., Virginia, USA
Mine owner Sam Dunaway with pegmatite

Morefield Mine, Winterham, Amelia Co., Virginia, USA
Face of vertical pegmatite before diabase dike

Morefield Mine, Winterham, Amelia Co., Virginia, USA
 

List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements
Lead1.AA.05Pb
Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Group 3 - Halides
Chiolite3.CE.05Na5Al3F14
Cryolite3.CB.15Na2NaAlF6
Elpasolite3.CB.15K2NaAlF6
Fluorite3.AB.25CaF2
var: Chlorophane3.AB.25CaF2
Gearksutite3.CC.05Ca[Al(F,OH)5(H2O)]
Hydrokenoralstonite3.CF.05 Na0.5(Al,Mg)2(F,OH)6•H2O
Pachnolite3.CB.40NaCa[AlF6] · H2O
Prosopite3.CD.10CaAl2(F,OH)8
Thomsenolite3.CB.40NaCa[AlF6] · H2O
Group 4 - Oxides and Hydroxides
Cassiterite4.DB.05SnO2
Chrysoberyl4.BA.05BeAl2O4
Columbite-(Fe)4.DB.35FeNb2O6
Euxenite-(Y)4.DG.05(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Hollandite4.DK.05aBa(Mn4+6Mn3+2)O16
Ilmenite4.CB.05Fe2+TiO3
Microlite Group4.00.
Opal4.DA.10SiO2 · nH2O
var: Opal-AN4.DA.10SiO2 · nH2O
Pyrolusite ?4.DB.05MnO2
Quartz4.DA.05SiO2
var: Agate4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
var: Rock Crystal4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Samarskite-(Y)4.DB.25(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Tantalite-(Mn)4.DB.35MnTa2O6
Group 5 - Nitrates and Carbonates
Bismutite5.BE.25(BiO)2CO3
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Group 6 - Borates
Sussexite6.BA.15Mn2+BO2(OH)
Group 8 - Phosphates, Arsenates and Vanadates
Bermanite8.DC.20Mn2+Mn3+2(PO4)2(OH)2 · 4H2O
Brockite8.CJ.45(Ca,Th,Ce)PO4 · H2O
Fluellite8.DE.10Al2(PO4)F2(OH) · 7H2O
Fluorapatite8.BN.05Ca5(PO4)3F
Goyazite8.BL.10SrAl3(PO4)(PO3OH)(OH)6
Phosphophyllite8.CA.40Zn2Fe(PO4)2 · 4H2O
Phosphosiderite8.CD.05FePO4 · 2H2O
Phosphuranylite8.EC.10(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
Pyromorphite8.BN.05Pb5(PO4)3Cl
Serrabrancaite8.CB.05MnPO4 · H2O
Strengite8.CD.10FePO4 · 2H2O
Triplite8.BB.10(Mn2+,Fe2+)2(PO4)(F,OH)
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
var: Cleavelandite9.FA.35Na(AlSi3O8)
Allanite-(Ce)9.BG.05b{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Almandine9.AD.25Fe2+3Al2(SiO4)3
Andradite ?9.AD.25Ca3Fe3+2(SiO4)3
Anorthite9.FA.35Ca(Al2Si2O8)
Bertrandite9.BD.05Be4(Si2O7)(OH)2
Beryl9.CJ.05Be3Al2(Si6O18)
var: Aquamarine9.CJ.05Be3Al2Si6O18
var: Goshenite9.CJ.05Be3Al2(Si6O18)
Euclase9.AE.10BeAl(SiO4)(OH)
Ferro-hornblende9.DE.10☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2
Helvine9.FB.10Be3Mn2+4(SiO4)3S
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Labradorite9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
Masutomilite9.EC.20(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
Microcline9.FA.30K(AlSi3O8)
var: Amazonite9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Leverrierite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Orthoclase ?9.FA.30K(AlSi3O8)
Phenakite9.AA.05Be2SiO4
Phlogopite ?9.EC.20KMg3(AlSi3O10)(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Spodumene9.DA.30LiAlSi2O6
Titanite9.AG.15CaTi(SiO4)O
Topaz9.AF.35Al2(SiO4)(F,OH)2
Zinnwaldite9..KLiFe2+Al(AlSi3O10)(F,OH)2
Zircon9.AD.30Zr(SiO4)
Group 10 - Organic Compounds
Lindbergite10.AB.05Mn2+(C2O4) · 2H2O
Weddellite10.AB.40Ca(C2O4) · (2.5-x)H2O
Unclassified Minerals
Apatite-
Biotite-
Monazite-
Moonstone-
Thorogummite ?-(Th,U)(SiO4)1-x(OH)4x
Tourmaline-A(D3)G6(T6O18)(BO3)3X3Z

References

Rocks & Minerals (1933): 8: 143-144.

USGS Bulletin 248B (1952).

Brown, W.R. (1962) Mica and Feldspar Deposits of Virginia.

Penick, D. Allen, Jr. (1985): Virginia Mineral Locality Index. Rocks and Minerals: 60(4): 165.

Sweet, P.C. and Penick, D.A., Jr. (1986), Morefield Pegmatite Mine Reopens - Virginia's only Active Underground Gem Mine.

Kearns, Lance E. (1993), Minerals of the Morefield Pegmatite, Amelia County, Virginia. Rocks & Minerals: 68(4): 232-242.

Kearns, Lance E. (1995), Alumino-fluorides from the Morefield pegmatite, Amelia County, Virginia. Mineralogical Record: 26(6): 551-556.

O’Neill, K. A.; Nowak, B. A.; Johnson, C. B.; Kearns, L. E. (1996), Contributed Papers in Specimen Mineralogy: 22nd Rochester Mineralogical Symposium, Mineral Chemistry of Micas and Amazonite: The Morefield Pegmatite, Amelia, Virginia. Rocks & Minerals: 71(3): 198-199.

Virginia Minerals, Virginia Division of Mineral Resources, Charlottesville, Virginia: 32(2).

Virginia Division of Mineral Resources Report 3, Charlottesville, Virginia: 59-60, 61-94.

Virginia Geologic Survey Bulletin 33.

Virginia Minerals, Vol. 46.

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