Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralSearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

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

This page is currently not sponsored. Click here to sponsor this page.
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
 

Detailed Mineral List:


Albite
Formula: Na(AlSi3O8)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Albite var: Cleavelandite
Formula: Na(AlSi3O8)
Reference: Virginia Minerals, Vol 46:2; Rocks & Min.: 60:165.
Allanite-(Ce)
Formula: {CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Reference: USGS Bulletin 248B (1952)
Almandine
Formula: Fe2+3Al2(SiO4)3
Reference: USGS Bulletin 248B (1952)
Andradite
Formula: Ca3Fe3+2(SiO4)3
Description: Erroneously reported in a letter to the editor. No data.
Reference: Letter to the Editor, Rocks & Min.: 8:143-144.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Anorthite
Formula: Ca(Al2Si2O8)
Reference: Rocks & Min.: 8:143-144.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
'Apatite'
Reference: [Virginia Minerals, Vol 46:2]
Bermanite
Formula: Mn2+Mn3+2(PO4)2(OH)2 · 4H2O
Reference: [Virginia Minerals, Vol 46:2]
Bertrandite
Formula: Be4(Si2O7)(OH)2
Reference: USGS Bulletin 248B (1952)
Beryl
Formula: Be3Al2(Si6O18)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Beryl var: Aquamarine
Formula: Be3Al2Si6O18
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Beryl var: Goshenite
Formula: Be3Al2(Si6O18)
Reference: USGS Bulletin 248B (1952)
'Biotite'
Reference: Rocks & Min.: 8:143-144.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Bismutite
Formula: (BiO)2CO3
Reference: [Virginia Minerals, Vol 46:2]
Brockite
Formula: (Ca,Th,Ce)PO4 · H2O
Reference: [Virginia Minerals, Vol 46:2]
Calcite
Formula: CaCO3
Reference: USGS Bulletin 248B (1952)
Cassiterite
Formula: SnO2
Reference: [Virginia Minerals, Vol 46:2]
Cerussite
Formula: PbCO3
Reference: [Virginia Minerals, Vol 46:2]
Chalcopyrite
Formula: CuFeS2
Reference: USGS Bulletin 248B (1952)
Chiolite
Formula: Na5Al3F14
Reference: [L.E. Kearns, 1995 - Mineralogical Record Vol 26 No.6 - "Alumino-Fluorides from the Morefield Pegmatite"]; Richards, R. P., Kearns, L. E., & Cook, W. R. (1998). Morphology of Chiolite twins from the Morefield mine, Amelia County, Virginia. Canadian mineralogist, 36, 1009-1016.
Chrysoberyl
Formula: BeAl2O4
Reference: Rocks & Min.: 8:143-144.
Columbite-(Fe)
Formula: FeNb2O6
Reference: Rocks & Min.: 8:143-144.; Richards, R. P., Kearns, L. E., & Cook, W. R. (1998). Morphology of Chiolite twins from the Morefield mine, Amelia County, Virginia. Canadian mineralogist, 36, 1009-1016.
Cryolite
Formula: Na2NaAlF6
Reference: [L.E. Kearns, 1995 - Mineralogical Record Vol 26 No.6 - "Alumino-Fluorides from the Morefield Pegmatite"]; Richards, R. P., Kearns, L. E., & Cook, W. R. (1998). Morphology of Chiolite twins from the Morefield mine, Amelia County, Virginia. Canadian mineralogist, 36, 1009-1016.
Elpasolite
Formula: K2NaAlF6
Reference: [Kearns, 1995 "Alumino-Fluorides from the Morefield Pegmatite", MinRec 26:551-556]; Richards, R. P., Kearns, L. E., & Cook, W. R. (1998). Morphology of Chiolite twins from the Morefield mine, Amelia County, Virginia. Canadian mineralogist, 36, 1009-1016.
Euclase
Formula: BeAl(SiO4)(OH)
Reference: Rocks & Min.: 8:143-144.
Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Ferro-hornblende
Formula: ☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2
Reference: Rocks & Min.: 8:143-144.
Fluellite
Formula: Al2(PO4)F2(OH) · 7H2O
Reference: [Virginia Minerals, Vol 46:2]
Fluorapatite
Formula: Ca5(PO4)3F
Reference: [Virginia Minerals, Vol 46:2]
Fluorite
Formula: CaF2
Reference: [Kearns, 1995 - "Alumino-Fluorides from the Morefield Pegmatite"
Fluorite var: Chlorophane
Formula: CaF2
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Galena
Formula: PbS
Reference: [Virginia Minerals, Vol 46:2]; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Gearksutite
Formula: Ca[Al(F,OH)5(H2O)]
Reference: [Virginia Minerals, Vol 46:2]
Goyazite
Formula: SrAl3(PO4)(PO3OH)(OH)6
Reference: Rocks & Minerals 79:4 p 256
Helvine
Formula: Be3Mn2+4(SiO4)3S
Reference: Rocks & Min.: 8:143-144.
Hollandite
Formula: Ba(Mn4+6Mn3+2)O16
Reference: [Virginia Minerals, Vol 46:2]
Hydrokenoralstonite
Formula: Na0.5(Al,Mg)2(F,OH)6•H2O
Reference: [Kearns, 1995- "Alumino-Fluorides from the Morefield Pegmatite", MinRec 26:551-557]; Richards, R. P., Kearns, L. E., & Cook, W. R. (1998). Morphology of Chiolite twins from the Morefield mine, Amelia County, Virginia. Canadian mineralogist, 36, 1009-1016.
Ilmenite
Formula: Fe2+TiO3
Reference: Rocks & Min.: 8:143-144.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: Rocks & Min.: 8:143-144.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
'Labradorite'
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
Reference: Rocks & Min.: 8:143-144.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Lead
Formula: Pb
Reference: Rocks & Minerals 79:4 p 256
Lindbergite
Formula: Mn2+(C2O4) · 2H2O
Reference: American Mineralogist, 89, 1087-1091
Masutomilite
Formula: (K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
Reference: Rocks & Minerals 71:3 pp198-199
Microcline
Formula: K(AlSi3O8)
Reference: Rocks & Min.: 8:143-144.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Microcline var: Amazonite
Formula: K(AlSi3O8)
Reference: [Virginia Minerals, Vol 46:2]; Richards, R. P., Kearns, L. E., & Cook, W. R. (1998). Morphology of Chiolite twins from the Morefield mine, Amelia County, Virginia. Canadian mineralogist, 36, 1009-1016.
Microlite Group
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Richards, R. P., Kearns, L. E., & Cook, W. R. (1998). Morphology of Chiolite twins from the Morefield mine, Amelia County, Virginia. Canadian mineralogist, 36, 1009-1016.
Molybdenite
Formula: MoS2
Reference: Rocks & Minerals 79:4 p 256
'Monazite'
Reference: [Virginia Minerals, Vol 46:2]; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.; Richards, R. P., Kearns, L. E., & Cook, W. R. (1998). Morphology of Chiolite twins from the Morefield mine, Amelia County, Virginia. Canadian mineralogist, 36, 1009-1016.
'Moonstone'
Reference: Minerals of Virginia, 1990 by R. V. Dietrich; Richards, R. P., Kearns, L. E., & Cook, W. R. (1998). Morphology of Chiolite twins from the Morefield mine, Amelia County, Virginia. Canadian mineralogist, 36, 1009-1016.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: [Virginia Minerals, Vol 46:2]; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Muscovite var: Leverrierite
Formula: KAl2(AlSi3O10)(OH)2
Reference: USGS Bulletin 248B (1952)
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: USGS Bulletin 248B (1952)
Opal
Formula: SiO2 · nH2O
Reference: Mike Dennis specimens
Opal var: Opal-AN
Formula: SiO2 · nH2O
Reference: Mike Dennis specimens
Orthoclase
Formula: K(AlSi3O8)
Description: Historical reports of blocky "orthoclase" in virtually every granite pegmatite worldwide are microcline. No data supporting orthoclse from this locality are known.
Reference: Rocks & Min.: 8:143-144.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Pachnolite
Formula: NaCa[AlF6] · H2O
Reference: [L.E. Kearns, 1995 - Mineralogical Record Vol 26 No.6 - "Alumino-Fluorides from the Morefield Pegmatite"]; Richards, R. P., Kearns, L. E., & Cook, W. R. (1998). Morphology of Chiolite twins from the Morefield mine, Amelia County, Virginia. Canadian mineralogist, 36, 1009-1016.
Phenakite
Formula: Be2SiO4
Reference: Rocks & Min.: 8:143-144.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Description: Unbelievable antique report of phlogopite from a pegmatite. No data presented.
Reference: Letter to the Editor, Rocks & Min.: 8:143-144.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Phosphophyllite
Formula: Zn2Fe(PO4)2 · 4H2O
Reference: USGS Bulletin 248B (1952)
Phosphosiderite
Formula: FePO4 · 2H2O
Reference: Rocks & Minerals 79:4 p 256
Phosphuranylite
Formula: (H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Prosopite
Formula: CaAl2(F,OH)8
Reference: [Kearns, 1995 - "Alumino-Fluorides from the Morefield Pegmatite", Mineralogical Record 26 551-557]; Richards, R. P., Kearns, L. E., & Cook, W. R. (1998). Morphology of Chiolite twins from the Morefield mine, Amelia County, Virginia. Canadian mineralogist, 36, 1009-1016.
Pyrite
Formula: FeS2
Reference: USGS Bulletin 248B (1952)
Pyrolusite
Formula: MnO2
Reference: USGS Bulletin 248B (1952)
Pyromorphite
Formula: Pb5(PO4)3Cl
Reference: [Virginia Minerals, Vol 46:2]
Quartz
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Quartz var: Agate
Reference: Rocks & Min.: 8:143-144.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Quartz var: Chalcedony
Formula: SiO2
Reference: Rocks & Min.: 8:143-144.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Quartz var: Rock Crystal
Formula: SiO2
Reference: Rocks & Min.: 8:143-144.
Quartz var: Smoky Quartz
Formula: SiO2
Reference: Rocks & Min.: 8:143-144.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Rutile
Formula: TiO2
Reference: Rocks & Min.: 8:143-144.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Samarskite-(Y)
Formula: (Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: USGS Bulletin 248B (1952)
Serrabrancaite
Formula: MnPO4 · H2O
Description: Brown, prismatic microcrystals in association with phosphosiderite, bermanite, secondary apatite, other species of the secondary phosphates assemblage (http://www.mindat.org/mesg-99-323183.html).
Reference: Michael Hatskel collection (ID by Dr. Lance Kearns and Betsy Martin)
Spessartine
Formula: Mn2+3Al2(SiO4)3
Reference: Rocks & Min.: 8:143-144.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.; Richards, R. P., Kearns, L. E., & Cook, W. R. (1998). Morphology of Chiolite twins from the Morefield mine, Amelia County, Virginia. Canadian mineralogist, 36, 1009-1016.
Spodumene
Formula: LiAlSi2O6
Reference: USGS Bulletin 248B (1952)
Strengite
Formula: FePO4 · 2H2O
Reference: [Virginia Minerals, Vol 46:2]
Sussexite
Formula: Mn2+BO2(OH)
Reference: Rocks & Minerals 79:4 p 256
Tantalite-(Mn)
Formula: MnTa2O6
Reference: USGS Bulletin 248B (1952); Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.; Richards, R. P., Kearns, L. E., & Cook, W. R. (1998). Morphology of Chiolite twins from the Morefield mine, Amelia County, Virginia. Canadian mineralogist, 36, 1009-1016.
Thomsenolite
Formula: NaCa[AlF6] · H2O
Reference: [L.E. Kearns, 1995 - Mineralogical Record Vol 26 No.6 - "Alumino-Fluorides from the Morefield Pegmatite"]; Richards, R. P., Kearns, L. E., & Cook, W. R. (1998). Morphology of Chiolite twins from the Morefield mine, Amelia County, Virginia. Canadian mineralogist, 36, 1009-1016.
'Thorogummite' ?
Formula: (Th,U)(SiO4)1-x(OH)4x
Reference: Fred E Davis collection
Titanite
Formula: CaTi(SiO4)O
Reference: USGS Bulletin 248B (1952)
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Rocks & Min.: 8:143-144.; Richards, R. P., Kearns, L. E., & Cook, W. R. (1998). Morphology of Chiolite twins from the Morefield mine, Amelia County, Virginia. Canadian mineralogist, 36, 1009-1016.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.
Triplite
Formula: (Mn2+,Fe2+)2(PO4)(F,OH)
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Weddellite
Formula: Ca(C2O4) · (2.5-x)H2O
Reference: Rocks & Minerals 79:4 p 256
'Zinnwaldite'
Formula: KLiFe2+Al(AlSi3O10)(F,OH)2
Reference: USGS Bulletin 248B (1952)
Zircon
Formula: Zr(SiO4)
Reference: [Virginia Minerals, Vol 46:2]; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33.

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.

Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2017, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: October 18, 2017 16:07:13 Page generated: October 18, 2017 15:24:33
Go to top of page