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Ragged Ass Jack Mountain locality (Ragged Jack Mountain locality), Hartford, Oxford County, Maine, USAi
Regional Level Types
Ragged Ass Jack Mountain locality (Ragged Jack Mountain locality)Vein
HartfordTown
Oxford CountyCounty
MaineState
USACountry

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Latitude & Longitude (WGS84):
44° 25' 20'' North , 70° 24' 33'' West
Latitude & Longitude (decimal):
44.42228,-70.40923
GeoHash:
G#: drvutycd9
GRN:
N30W37
Type:
Vein
KΓΆppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Sumner888 (2017)4.1km
Hartford1,001 (2017)7.4km
Canton1,165 (2017)7.6km
Peru1,575 (2017)9.4km
Dixfield1,076 (2017)13.0km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Oxford County Mineral and Gem AssociationSouth Paris, Maine24km
Kennebec Rocks and Minerals ClubWinthrop, Maine37km
Mindat Locality ID:
189747
Long-form identifier:
mindat:1:2:189747:3
GUID (UUID V4):
4f3060f3-ae9f-4548-804a-9dcadec69b78


Granite pegmatite. Oxford Pegmatite Field. The original and local name for this small mountain is Ragged Ass Jack Mountain. The name was not put on the USGS topographic maps as there was then an effort thinking the name should be changed. The locality name continues to be used with its full length in the region, but there are some collectors who shorten the name from reasons of modesty. For many years, the locality was "secret" and collectors said that the wonderful chrysoberyl crystals from the place were really from Black Mountain in the nearby town of Peru. There has been additional confusion over labeling the locality as Ragged-Ass Jack Mountain is near the intersection of three towns: Hartford, Peru, and Sumner.

The locality itself is exposed on a southwestward facing cliff and a granite pegmatite dike varying from 2 to 5 meters thick is exposed on the cliff. Much of the specimen collecting was done on the talus below the cliff, but many of the boulders remaining are 3-6 meters in diameter and the poison ivy plants that grow lushly there have discouraged even eager collectors. The ownership of Ragged Jack Mountain is best determined by visiting the town office in Hartford. The Ragged Jack Mountain Road entrance is an offshoot from the Greenwood Road out of Sumner, but the Ragged Jack Mountain Road is sometimes gated. There are dirt roads to the north and east of Ragged Jack Mountain and before the Ragged Jack Mountain road was established, access was by walking through the woods on contours from the Greenwood Road. The GPS position is for the top of Ragged Jack Mountain. There is a small bench area against the central vertical face of the mountain. The view to the southwest is noteworthy.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


10 valid minerals.

Detailed Mineral List:

β“˜ Albite
Formula: Na(AlSi3O8)
β“˜ Almandine
Formula: Fe2+3Al2(SiO4)3
β“˜ Autunite
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
β“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜ Chrysoberyl
Formula: BeAl2O4
β“˜ Fluorapatite
Formula: Ca5(PO4)3F
β“˜ Fluorapatite var. Manganese-bearing Fluorapatite
Formula: (Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
β“˜ Microcline
Formula: K(AlSi3O8)
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Quartz
Formula: SiO2
β“˜ Quartz var. Amethyst
Formula: SiO2
β“˜ Quartz var. Milky Quartz
Formula: SiO2
β“˜ Quartz var. Smoky Quartz
Formula: SiO2
β“˜ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
β“˜ Zircon
Formula: Zr(SiO4)

Gallery:

BeAl2O4β“˜ Chrysoberyl

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
β“˜Chrysoberyl4.BA.05BeAl2O4
β“˜Quartz
var. Amethyst		4.DA.05SiO2
β“˜4.DA.05SiO2
β“˜var. Smoky Quartz4.DA.05SiO2
β“˜var. Milky Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
β“˜Fluorapatite8.BN.05Ca5(PO4)3F
β“˜var. Manganese-bearing Fluorapatite8.BN.05(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
β“˜Autunite8.EB.05Ca(UO2)2(PO4)2 Β· 10-12H2O
Group 9 - Silicates
β“˜Almandine9.AD.25Fe2+3Al2(SiO4)3
β“˜Zircon9.AD.30Zr(SiO4)
β“˜Schorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
β“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
β“˜Microcline9.FA.30K(AlSi3O8)
β“˜Albite9.FA.35Na(AlSi3O8)
Unclassified
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

List of minerals for each chemical element

HHydrogen
Hβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hβ“˜ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Beβ“˜ ChrysoberylBeAl2O4
BBoron
Bβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
Oβ“˜ AlbiteNa(AlSi3O8)
Oβ“˜ Quartz var. AmethystSiO2
Oβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Oβ“˜ AlmandineFe32+Al2(SiO4)3
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oβ“˜ ChrysoberylBeAl2O4
Oβ“˜ FluorapatiteCa5(PO4)3F
Oβ“˜ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
Oβ“˜ MicroclineK(AlSi3O8)
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ QuartzSiO2
Oβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oβ“˜ Quartz var. Smoky QuartzSiO2
Oβ“˜ ZirconZr(SiO4)
Oβ“˜ Quartz var. Milky QuartzSiO2
FFluorine
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fβ“˜ FluorapatiteCa5(PO4)3F
Fβ“˜ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
NaSodium
Naβ“˜ AlbiteNa(AlSi3O8)
Naβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alβ“˜ AlbiteNa(AlSi3O8)
Alβ“˜ AlmandineFe32+Al2(SiO4)3
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alβ“˜ ChrysoberylBeAl2O4
Alβ“˜ MicroclineK(AlSi3O8)
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
SiSilicon
Siβ“˜ AlbiteNa(AlSi3O8)
Siβ“˜ Quartz var. AmethystSiO2
Siβ“˜ AlmandineFe32+Al2(SiO4)3
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siβ“˜ MicroclineK(AlSi3O8)
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ QuartzSiO2
Siβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siβ“˜ Quartz var. Smoky QuartzSiO2
Siβ“˜ ZirconZr(SiO4)
Siβ“˜ Quartz var. Milky QuartzSiO2
PPhosphorus
Pβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Pβ“˜ FluorapatiteCa5(PO4)3F
Pβ“˜ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
ClChlorine
Clβ“˜ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
KPotassium
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kβ“˜ MicroclineK(AlSi3O8)
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Caβ“˜ FluorapatiteCa5(PO4)3F
Caβ“˜ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
TiTitanium
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MnManganese
Mnβ“˜ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
FeIron
Feβ“˜ AlmandineFe32+Al2(SiO4)3
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
ZrZirconium
Zrβ“˜ ZirconZr(SiO4)
UUranium
Uβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

American Mineralogist (1933): 18: 501-503.
King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
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