Ham and Weeks Mine (Weeks Feldspar Quarry; Ham-Weeks pegmatite), Wakefield, Carroll Co., New Hampshire, USAi
| Regional Level Types | |
|---|---|
| Ham and Weeks Mine (Weeks Feldspar Quarry; Ham-Weeks pegmatite) | Mine |
| Wakefield | - not defined - |
| Carroll Co. | County |
| New Hampshire | State |
| USA | Country |
This page kindly sponsored by Maine Mineralogical and Geological Society
Key
Latitude & Longitude (WGS84):
43° 40' 9'' North , 71° 0' 31'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Ossipee | 4,655 (2017) | 8.9km |
| Parsonsfield | 1,647 (2017) | 9.1km |
| Effingham | 1,356 (2017) | 10.3km |
| Wakefield | 4,705 (2017) | 11.4km |
| Sanbornville | 1,056 (2017) | 12.9km |
Granite pegmatite. Opened in 1877. Mined for mica, feldspar, and beryl.
The Ham and Weeks Educational and Recreational Area is currently operated by the Maine Mineralogical and Geological Society (MMGS). The site is leased by MMGS, and access is limited to MMGS members. According to the MMGS website:
"Ham and Weeks Mine was first developed by the Mineral Hill Mining Corporation, formed August 7, 1877, by Samuel B. Ames. Shares were sold to buy equipment and mining rights in the area. Originally called the Mica Mine, 2 or 3 acres were worked and the mica was sold for use in stove windows and lamp chimneys. Operations didn’t last too long. As the pit depth increased, an underground spring flooded the pit, and pumps couldn’t keep up with the flow. The original pit is believed to be south of the present pit. The mine was inactive until 1914 or 1915, when the present pit was opened for mica to be used in gas masks for soldiers in WW I. The mica was taken by horse-drawn carts to East Wakefield and loaded unto trains. The mine was closed after a year or two, then re-opened a third time in the 1930’s, when mica was used as electrical insulation in early crystal radio sets; beryl was also reportedly mined for war use."
Cameron et. al. (1954) described the deposit, referred to as the Weeks Feldspar Quarry (named for the owner, Raymond B. Weeks of Burleysville [sic], N.H.): "in the 1920's...feldspar, scrap mica, and beryl were recovered. In the early 1930's, a Mr. Day, Kittery, Maine, operated the quarry for feldspar and scrap mica...In September 1942, J. D. Bardill, District Engineer for the Bureau of Mines, arranged a sampling program under the direction of E. E. Maillot and W. H. Evans. The Bureau of Mines quarried beryl from the north and west sides of the pit, dug 10 small pits and trenches, and drilled 5 horizontal jackhammer holes 12 to 16 feet long in an effort to locate the contacts of the pegmatite. They also pumped out the flooded part of the pit."
Select Mineral List Type
Standard Detailed Gallery Strunz Dana Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
26 valid minerals. 2 erroneous literature entries.
Detailed Mineral List:
| ⓘ Albite Formula: Na(AlSi3O8) Reference: Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p.52; USGS Prof Paper 255 |
| ⓘ Albite var. Cleavelandite Formula: Na(AlSi3O8) Reference: Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p.76; USGS Prof Paper 255 |
| ⓘ Albite var. Oligoclase Formula: (Na,Ca)[Al(Si,Al)Si2O8] Description: Cameron, Eugene N. et. al. (1954), p. 107, reported plagioclase with An=19% in border zone of the pegmatite, which would make it oligoclase. Reference: Cameron, Eugene N.; and others (1954) Pegmatite Investigations, 1942-45, in New England. ( USGS Professional Paper 255). |
| ⓘ Almandine Formula: Fe2+3Al2(SiO4)3 Reference: Van King; USGS Prof Paper 255 |
| ⓘ Baddeleyite Formula: ZrO2 Reference: XRD Czech Geol Survey Pequa Mineral Co specimen |
| ⓘ Beryl Formula: Be3Al2(Si6O18) Reference: Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p.76; USGS Prof Paper 255 |
| ⓘ Chalcopyrite Formula: CuFeS2 Reference: Rocks & Min. 80:256 (2005) |
| ⓘ Chrysoberyl Formula: BeAl2O4 Colour: yellow to apple-green Reference: Chayes, Felix (1944): Occurence of Chrysoberyl at Wakefield, Carroll County, New Hampshire (American Mineralogist 29:320-323). |
| ⓘ Columbite-(Fe) Formula: Fe2+Nb2O6 Reference: Rocks & Min. 80:256 (2005) |
| ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series' Reference: Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p. 19; USGS Prof Paper 255 |
| ⓘ Columbite-(Mn) Formula: Mn2+Nb2O6 Reference: Rocks & Min. 80:256 (2005) |
| ⓘ Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) Description: The indicolite reported from this locality is dark blue schorl not elbaite. |
| ⓘ 'Feldspar Group' Reference: USGS Prof Paper 255 |
| ⓘ 'Feldspar Group var. Perthite' Reference: USGS Prof Paper 255 |
| ⓘ Fluorapatite Formula: Ca5(PO4)3F Reference: Rocks & Min. 80:256 (2005) |
| ⓘ Fluorapatite var. Manganese-bearing Fluorapatite Formula: (Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH) Reference: "Dan Costian" Collection |
| ⓘ Fluorite Formula: CaF2 Reference: Rocks & Min. 80:256 (2005) |
| ⓘ 'Fluor-uvite-Uvite Series' Reference: USGS Prof Paper 255 |
| ⓘ 'Indicolite' Formula: A(D3)G6(T6O18)(BO3)3X3Z Reference: Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p.76 |
| ⓘ Ishikawaite ? Formula: U4+Fe2+Nb2O8 Description: Four suspected specimens of ishikawaite were analyzed and found to be uraninite (in 2 cases) or samarskite-(Y) (in 2 cases). Tom Mortimer, pers. comm. 2011. Reference: Rocks & Min. 80:246 (2005) |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 Reference: Rocks & Min. 80:256 (2005) |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 Reference: Rocks & Min. 80:256 (2005) |
| ⓘ 'Manganese Oxides' Reference: E. L. Clopton collection; "Dan Costian" Collection |
| ⓘ 'Manganese Oxides var. Manganese Dendrites' Reference: P. Cristofono collection, 2012 |
| ⓘ Microcline Formula: K(AlSi3O8) Reference: Rocks & Min. 80:256 (2005) |
| ⓘ Molybdenite Formula: MoS2 Reference: Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p.76; USGS Prof Paper 255 |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 Reference: Gallup, 1970. Granite State Mineral Collecting; USGS Prof Paper 255 |
| ⓘ Opal Formula: SiO2 · nH2O Reference: P. Cristofono collection (ex. Gene Bearss) |
| ⓘ Opal var. Hyalite Formula: SiO2 · nH2O Reference: P. Cristofono collection (ex. Gene Bearss) |
| ⓘ 'Parisite' ? Formula: Ca(Ce/La/Nd/REE)2(CO3)3F2 Reference: Rocks & Min. 80:256 (2005) |
| ⓘ Phenakite Formula: Be2SiO4 Reference: Rocks & Min. 80:256 (2005) |
| ⓘ Pyrite Formula: FeS2 Reference: Rocks & Min. 80:256 (2005) |
| ⓘ Formula: Mn4+O2 Description: No pyrolusite has ever been found in a dendrite or in a pegmatite. Reference: Gallup, 1970. Granite State Mineral Collecting |
| ⓘ Quartz Formula: SiO2 Reference: Rocks & Min. 80:256 (2005); USGS Prof Paper 255 |
| ⓘ Samarskite-(Y) Formula: YFe3+Nb2O8 Description: Two specimens of suspected ishikawaite were analyzed by Fred Davis and found to be samarskite-(Y). (Tom Mortimer, pers. comm. 2011) Reference: Nashua Mineral Society Display Catalog, 1995; USGS Prof Paper 255; Tom Mortimer, pers. comm. 2011 |
| ⓘ Spessartine Formula: Mn2+3Al2(SiO4)3 Reference: P. Cristofono collection, 2014 |
| ⓘ Synchysite-(Ce) ? Formula: CaCe(CO3)2F Description: No data at website Reference: T Mortimer (mindatnh.org) |
| ⓘ 'Tourmaline' Formula: A(D3)G6(Si6O18)(BO3)3X3Z Reference: Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p.76 |
| ⓘ Uraninite Formula: UO2 Reference: Tom Mortimer/Fred Davis collections, 2011 |
| ⓘ Vesuvianite ? Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 Description: Occurence questioned by Smith and Bearss (1991). Reference: Gallup, 1970. Granite State Mineral Collecting |
| ⓘ Zircon Formula: Zr(SiO4) Reference: Rocks & Min. 80:256 (2005) |
| ⓘ Zircon var. Cyrtolite Formula: Zr[(SiO4),(OH)4] Reference: Bearss, Gene T. (1984). The Weeks (Ham) Mine, Wakefield, NH (Micromounters of New England newsletter) |
Gallery:
(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)ⓘ Fluorapatite var. Manganese-bearing Fluorapatite
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Molybdenite | 2.EA.30 | MoS2 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 3 - Halides | |||
| ⓘ | Fluorite | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Baddeleyite | 4.DE.35 | ZrO2 |
| ⓘ | Chrysoberyl | 4.BA.05 | BeAl2O4 |
| ⓘ | Columbite-(Fe) | 4.DB.35 | Fe2+Nb2O6 |
| ⓘ | Columbite-(Mn) | 4.DB.35 | Mn2+Nb2O6 |
| ⓘ | Ishikawaite ? | 4.DB.25 | U4+Fe2+Nb2O8 |
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Opal | 4.DA.10 | SiO2 · nH2O |
| ⓘ | var. Hyalite | 4.DA.10 | SiO2 · nH2O |
| ⓘ | Pyrolusite ? | 4.DB.05 | Mn4+O2 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Samarskite-(Y) | 4.DB.25 | YFe3+Nb2O8 |
| ⓘ | Uraninite | 4.DL.05 | UO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
| ⓘ | Synchysite-(Ce) ? | 5.BD.20c | CaCe(CO3)2F |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Fluorapatite | 8.BN.05 | Ca5(PO4)3F |
| ⓘ | var. Manganese-bearing Fluorapatite | 8.BN.05 | (Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH) |
| Group 9 - Silicates | |||
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| ⓘ | var. Cleavelandite | 9.FA.35 | Na(AlSi3O8) |
| ⓘ | var. Oligoclase | 9.FA.35 | (Na,Ca)[Al(Si,Al)Si2O8] |
| ⓘ | Almandine | 9.AD.25 | Fe2+3Al2(SiO4)3 |
| ⓘ | Beryl | 9.CJ.05 | Be3Al2(Si6O18) |
| ⓘ | Elbaite ? | 9.CK.05 | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| ⓘ | Microcline | 9.FA.30 | K(AlSi3O8) |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Phenakite | 9.AA.05 | Be2SiO4 |
| ⓘ | Spessartine | 9.AD.25 | Mn2+3Al2(SiO4)3 |
| ⓘ | Vesuvianite ? | 9.BG.35 | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
| ⓘ | var. Cyrtolite | 9.AD.30 | Zr[(SiO4),(OH)4] |
| Unclassified Minerals, Rocks, etc. | |||
| ⓘ | 'Columbite-(Fe)-Columbite-(Mn) Series' | - | |
| ⓘ | 'Feldspar Group' | - | |
| ⓘ | 'var. Perthite' | - | |
| ⓘ | 'Fluor-uvite-Uvite Series' | - | |
| ⓘ | 'Indicolite' | - | A(D3)G6(T6O18)(BO3)3X3Z |
| ⓘ | 'Manganese Oxides' | - | |
| ⓘ | 'var. Manganese Dendrites' | - | |
| ⓘ | 'Parisite' ? | - | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| ⓘ | 'Tourmaline' | - | A(D3)G6(Si6O18)(BO3)3X3Z |
List of minerals arranged by Dana 8th Edition classification
| Group 2 - SULFIDES | |||
|---|---|---|---|
| AmBnXp, with (m+n):p = 1:1 | |||
| ⓘ | Chalcopyrite | 2.9.1.1 | CuFeS2 |
| AmBnXp, with (m+n):p = 1:2 | |||
| ⓘ | Molybdenite | 2.12.10.1 | MoS2 |
| ⓘ | Pyrite | 2.12.1.1 | FeS2 |
| Group 4 - SIMPLE OXIDES | |||
| AX2 | |||
| ⓘ | Baddeleyite | 4.4.14.1 | ZrO2 |
| ⓘ | Pyrolusite ? | 4.4.1.4 | Mn4+O2 |
| Group 5 - OXIDES CONTAINING URANIUM OR THORIUM | |||
| AXO2·xH2O | |||
| ⓘ | Uraninite | 5.1.1.1 | UO2 |
| Group 7 - MULTIPLE OXIDES | |||
| AB2X4 | |||
| ⓘ | Chrysoberyl | 7.2.9.1 | BeAl2O4 |
| ⓘ | Magnetite | 7.2.2.3 | Fe2+Fe3+2O4 |
| Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM | |||
| ABO4 | |||
| ⓘ | Ishikawaite ? | 8.1.4.1 | U4+Fe2+Nb2O8 |
| ⓘ | Samarskite-(Y) | 8.1.11.1 | YFe3+Nb2O8 |
| AB2O6 | |||
| ⓘ | Columbite-(Fe) | 8.3.2.2 | Fe2+Nb2O6 |
| ⓘ | Columbite-(Mn) | 8.3.2.4 | Mn2+Nb2O6 |
| Group 9 - NORMAL HALIDES | |||
| AX2 | |||
| ⓘ | Fluorite | 9.2.1.1 | CaF2 |
| Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN | |||
| ⓘ | Synchysite-(Ce) ? | 16a.1.3.1 | CaCe(CO3)2F |
| ⓘ | Malachite | 16a.3.1.1 | Cu2(CO3)(OH)2 |
| Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN | |||
| A5(XO4)3Zq | |||
| ⓘ | Fluorapatite | 41.8.1.1 | Ca5(PO4)3F |
| Group 51 - NESOSILICATES Insular SiO4 Groups Only | |||
| Insular SiO4 Groups Only with cations in [4] coordination | |||
| ⓘ | Phenakite | 51.1.1.1 | Be2SiO4 |
| Insular SiO4 Groups Only with cations in [6] and >[6] coordination | |||
| ⓘ | Almandine | 51.4.3a.2 | Fe2+3Al2(SiO4)3 |
| ⓘ | Spessartine | 51.4.3a.3 | Mn2+3Al2(SiO4)3 |
| Insular SiO4 Groups Only with cations in >[6] coordination | |||
| ⓘ | Zircon | 51.5.2.1 | Zr(SiO4) |
| Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups | |||
| Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2) | |||
| ⓘ | Vesuvianite ? | 58.2.4.1 | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Group 61 - CYCLOSILICATES Six-Membered Rings | |||
| Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution | |||
| ⓘ | Beryl | 61.1.1.1 | Be3Al2(Si6O18) |
| Six-Membered Rings with borate groups | |||
| ⓘ | Elbaite ? | 61.3.1.8 | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings | |||
| Sheets of 6-membered rings with 2:1 layers | |||
| ⓘ | Muscovite | 71.2.2a.1 | KAl2(AlSi3O10)(OH)2 |
| Group 75 - TECTOSILICATES Si Tetrahedral Frameworks | |||
| Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si | |||
| ⓘ | Quartz | 75.1.3.1 | SiO2 |
| Si Tetrahedral Frameworks - SiO2 with H2O and organics | |||
| ⓘ | Opal | 75.2.1.1 | SiO2 · nH2O |
| Group 76 - TECTOSILICATES Al-Si Framework | |||
| Al-Si Framework with Al-Si frameworks | |||
| ⓘ | Albite | 76.1.3.1 | Na(AlSi3O8) |
| ⓘ | Microcline | 76.1.1.5 | K(AlSi3O8) |
| Unclassified Minerals, Mixtures, etc. | |||
| ⓘ | Albite var. Cleavelandite | - | Na(AlSi3O8) |
| ⓘ | var. Oligoclase | - | (Na,Ca)[Al(Si,Al)Si2O8] |
| ⓘ | 'Columbite-(Fe)-Columbite-(Mn) Series' | - | |
| ⓘ | 'Feldspar Group' | - | |
| ⓘ | 'var. Perthite' | - | |
| ⓘ | 'Fluor-uvite-Uvite Series' | - | |
| ⓘ | Fluorapatite var. Manganese-bearing Fluorapatite | - | (Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH) |
| ⓘ | 'Indicolite' | - | A(D3)G6(T6O18)(BO3)3X3Z |
| ⓘ | 'Manganese Oxides' | - | |
| ⓘ | 'var. Manganese Dendrites' | - | |
| ⓘ | Opal var. Hyalite | - | SiO2 · nH2O |
| ⓘ | 'Parisite' ? | - | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| ⓘ | 'Tourmaline' | - | A(D3)G6(Si6O18)(BO3)3X3Z |
| ⓘ | Zircon var. Cyrtolite | - | Zr[(SiO4),(OH)4] |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| H | ⓘ Zircon var. Cyrtolite | Zr[(SiO4),(OH)4] |
| H | ⓘ Fluorapatite var. Manganese-bearing Fluorapatite | (Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH) |
| H | ⓘ Opal var. Hyalite | SiO2 · nH2O |
| H | ⓘ Opal | SiO2 · nH2O |
| H | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| H | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Li | Lithium | |
| Li | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Be | Beryllium | |
| Be | ⓘ Chrysoberyl | BeAl2O4 |
| Be | ⓘ Beryl | Be3Al2(Si6O18) |
| Be | ⓘ Phenakite | Be2SiO4 |
| B | Boron | |
| B | ⓘ Indicolite | A(D3)G6(T6O18)(BO3)3X3Z |
| B | ⓘ Tourmaline | A(D3)G6(Si6O18)(BO3)3X3Z |
| B | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| C | Carbon | |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | ⓘ Parisite | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| C | ⓘ Synchysite-(Ce) | CaCe(CO3)2F |
| O | Oxygen | |
| O | ⓘ Chrysoberyl | BeAl2O4 |
| O | ⓘ Samarskite-(Y) | YFe3+Nb2O8 |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Albite var. Cleavelandite | Na(AlSi3O8) |
| O | ⓘ Baddeleyite | ZrO2 |
| O | ⓘ Indicolite | A(D3)G6(T6O18)(BO3)3X3Z |
| O | ⓘ Beryl | Be3Al2(Si6O18) |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Columbite-(Fe) | Fe2+Nb2O6 |
| O | ⓘ Columbite-(Mn) | Mn2+Nb2O6 |
| O | ⓘ Fluorapatite | Ca5(PO4)3F |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | ⓘ Microcline | K(AlSi3O8) |
| O | ⓘ Phenakite | Be2SiO4 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Zircon | Zr(SiO4) |
| O | ⓘ Almandine | Fe32+Al2(SiO4)3 |
| O | ⓘ Uraninite | UO2 |
| O | ⓘ Zircon var. Cyrtolite | Zr[(SiO4),(OH)4] |
| O | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| O | ⓘ Spessartine | Mn32+Al2(SiO4)3 |
| O | ⓘ Fluorapatite var. Manganese-bearing Fluorapatite | (Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH) |
| O | ⓘ Opal var. Hyalite | SiO2 · nH2O |
| O | ⓘ Tourmaline | A(D3)G6(Si6O18)(BO3)3X3Z |
| O | ⓘ Opal | SiO2 · nH2O |
| O | ⓘ Ishikawaite | U4+Fe2+Nb2O8 |
| O | ⓘ Parisite | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| O | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| O | ⓘ Synchysite-(Ce) | CaCe(CO3)2F |
| O | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| O | ⓘ Pyrolusite | Mn4+O2 |
| F | Fluorine | |
| F | ⓘ Fluorapatite | Ca5(PO4)3F |
| F | ⓘ Fluorite | CaF2 |
| F | ⓘ Fluorapatite var. Manganese-bearing Fluorapatite | (Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH) |
| F | ⓘ Parisite | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| F | ⓘ Synchysite-(Ce) | CaCe(CO3)2F |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Na | ⓘ Albite var. Cleavelandite | Na(AlSi3O8) |
| Na | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Na | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Mg | Magnesium | |
| Mg | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Al | Aluminium | |
| Al | ⓘ Chrysoberyl | BeAl2O4 |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Albite var. Cleavelandite | Na(AlSi3O8) |
| Al | ⓘ Beryl | Be3Al2(Si6O18) |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Microcline | K(AlSi3O8) |
| Al | ⓘ Almandine | Fe32+Al2(SiO4)3 |
| Al | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Al | ⓘ Spessartine | Mn32+Al2(SiO4)3 |
| Al | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Al | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Si | Silicon | |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Albite var. Cleavelandite | Na(AlSi3O8) |
| Si | ⓘ Beryl | Be3Al2(Si6O18) |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Microcline | K(AlSi3O8) |
| Si | ⓘ Phenakite | Be2SiO4 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Zircon | Zr(SiO4) |
| Si | ⓘ Almandine | Fe32+Al2(SiO4)3 |
| Si | ⓘ Zircon var. Cyrtolite | Zr[(SiO4),(OH)4] |
| Si | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Si | ⓘ Spessartine | Mn32+Al2(SiO4)3 |
| Si | ⓘ Opal var. Hyalite | SiO2 · nH2O |
| Si | ⓘ Tourmaline | A(D3)G6(Si6O18)(BO3)3X3Z |
| Si | ⓘ Opal | SiO2 · nH2O |
| Si | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Si | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| P | Phosphorus | |
| P | ⓘ Fluorapatite | Ca5(PO4)3F |
| P | ⓘ Fluorapatite var. Manganese-bearing Fluorapatite | (Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH) |
| S | Sulfur | |
| S | ⓘ Molybdenite | MoS2 |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Pyrite | FeS2 |
| Cl | Chlorine | |
| Cl | ⓘ Fluorapatite var. Manganese-bearing Fluorapatite | (Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH) |
| K | Potassium | |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Microcline | K(AlSi3O8) |
| Ca | Calcium | |
| Ca | ⓘ Fluorapatite | Ca5(PO4)3F |
| Ca | ⓘ Fluorite | CaF2 |
| Ca | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Ca | ⓘ Fluorapatite var. Manganese-bearing Fluorapatite | (Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH) |
| Ca | ⓘ Parisite | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| Ca | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Ca | ⓘ Synchysite-(Ce) | CaCe(CO3)2F |
| Mn | Manganese | |
| Mn | ⓘ Columbite-(Mn) | Mn2+Nb2O6 |
| Mn | ⓘ Spessartine | Mn32+Al2(SiO4)3 |
| Mn | ⓘ Fluorapatite var. Manganese-bearing Fluorapatite | (Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH) |
| Mn | ⓘ Pyrolusite | Mn4+O2 |
| Fe | Iron | |
| Fe | ⓘ Samarskite-(Y) | YFe3+Nb2O8 |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Columbite-(Fe) | Fe2+Nb2O6 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Almandine | Fe32+Al2(SiO4)3 |
| Fe | ⓘ Ishikawaite | U4+Fe2+Nb2O8 |
| Fe | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
| Y | Yttrium | |
| Y | ⓘ Samarskite-(Y) | YFe3+Nb2O8 |
| Zr | Zirconium | |
| Zr | ⓘ Baddeleyite | ZrO2 |
| Zr | ⓘ Zircon | Zr(SiO4) |
| Zr | ⓘ Zircon var. Cyrtolite | Zr[(SiO4),(OH)4] |
| Nb | Niobium | |
| Nb | ⓘ Samarskite-(Y) | YFe3+Nb2O8 |
| Nb | ⓘ Columbite-(Fe) | Fe2+Nb2O6 |
| Nb | ⓘ Columbite-(Mn) | Mn2+Nb2O6 |
| Nb | ⓘ Ishikawaite | U4+Fe2+Nb2O8 |
| Mo | Molybdenum | |
| Mo | ⓘ Molybdenite | MoS2 |
| La | Lanthanum | |
| La | ⓘ Parisite | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| Ce | Cerium | |
| Ce | ⓘ Parisite | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| Ce | ⓘ Synchysite-(Ce) | CaCe(CO3)2F |
| Nd | Neodymium | |
| Nd | ⓘ Parisite | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| U | Uranium | |
| U | ⓘ Uraninite | UO2 |
| U | ⓘ Ishikawaite | U4+Fe2+Nb2O8 |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Pennington, Mary Engle (1895). Derivatives of Columbium and Tantalum (Analysis of Wakefield Columbite). Journal of the American Chemical Society:: 1,(Part 1): 38-66.
Bardill (1943): Weeks Feldspar Quarry, USBM War Minerals Report 81.
Chayes, Felix (1944): Occurence of Chrysoberyl at Wakefield, Carroll County, New Hampshire, American Mineralogist: 29: 320-323.
Cameron, Eugene N.; and others (1954) Pegmatite Investigations, 1942-45, in New England. USGS Professional Paper 255.
Morong, Dana (1983). New Hampshire Mineral Localities, Durham, NH (privately published): 14.
Bearss, Gene T. (1984). The Weeks (Ham) Mine, Wakefield, NH, Micromounters of New England newsletter.
Smith, Arthur and Bearss, Gene (1991): The Weeks Pegmatite Mine, Wakefield, Carroll County, New Hampshire, Rocks & Minerals: 66: 129-135.
Smith, Arthur (2002): Hunting for Uranium Minerals in the Hamm-Weeks Pegmatite, Wakefield, Carroll County, New Hampshire. Mineral News: 18(4)(April).
External Links
http://www.micromountersofnewengland.org/pdfs/weeks-ham-mine.pdf [Bearss, Gene T. (1984). The Weeks (Ham) Mine, Wakefield, NH; Micromounters of New England newsletter]
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Ham and Weeks Mine, Wakefield, Carroll Co., New Hampshire, USA