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Francestown, Hillsborough Co., New Hampshire, USAi
Regional Level Types
Francestown- not defined -
Hillsborough Co.County
New HampshireState
USACountry

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Key
Latitude & Longitude (WGS84):
42° 59' 15'' North , 71° 48' 45'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Francestown1,571 (2017)0.0km
Greenfield1,765 (2017)6.4km
Bennington381 (2017)9.3km
Lyndeborough1,688 (2017)9.6km
New Boston4,934 (2017)9.7km


Formerly part of New Boston, Francestown was first settled in 1758 and officially became a town in 1772.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

10 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
Arsenopyrite
Formula: FeAsS
Reference: Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
'Chlorite Group'
Reference: Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: Morrill, 1960. New Hampshire Mines and Mineral Localities.
Graphite
Formula: C
Reference: Cochrane, Warren and Wood, George K. (1895): History of Francstown, N.H.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: Morrill, 1960. New Hampshire Mines and Mineral Localities.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Morrill, 1960. New Hampshire Mines and Mineral Localities.
Pyrite
Formula: FeS2
Reference: No reference listed
Pyrrhotite
Formula: Fe7S8
Reference: Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
Quartz
Formula: SiO2
Quartz var: Jasper
Reference: Meyers & Stewart, 1956. Geology of NH, Part III
'Soapstone'
Talc
Formula: Mg3Si4O10(OH)2
Reference: Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
Talc var: Steatite
Formula: Mg3(Si4O10)(OH)2
Reference: http://99.1911encyclopedia.org/T/TA/TALC.htm.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Jasper4.DA.05SiO2
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Talc9.EC.05Mg3Si4O10(OH)2
var: Steatite9.EC.05Mg3(Si4O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Soapstone'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Graphite1.3.6.2C
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Chlorite Group'-
Kaolinite-Al2(Si2O5)(OH)4
Quartz
var: Jasper
-SiO2
'Soapstone'-
Talc
var: Steatite
-Mg3(Si4O10)(OH)2

List of minerals for each chemical element

HHydrogen
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H TalcMg3Si4O10(OH)2
H Talc (var: Steatite)Mg3(Si4O10)(OH)2
H KaoliniteAl2(Si2O5)(OH)4
H PhlogopiteKMg3(AlSi3O10)(OH)2
H ClinochloreMg5Al(AlSi3O10)(OH)8
CCarbon
C GraphiteC
OOxygen
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O QuartzSiO2
O TalcMg3Si4O10(OH)2
O Talc (var: Steatite)Mg3(Si4O10)(OH)2
O KaoliniteAl2(Si2O5)(OH)4
O PhlogopiteKMg3(AlSi3O10)(OH)2
O ClinochloreMg5Al(AlSi3O10)(OH)8
MgMagnesium
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg TalcMg3Si4O10(OH)2
Mg Talc (var: Steatite)Mg3(Si4O10)(OH)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
AlAluminium
Al KaoliniteAl2(Si2O5)(OH)4
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al ClinochloreMg5Al(AlSi3O10)(OH)8
SiSilicon
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si QuartzSiO2
Si TalcMg3Si4O10(OH)2
Si Talc (var: Steatite)Mg3(Si4O10)(OH)2
Si KaoliniteAl2(Si2O5)(OH)4
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si ClinochloreMg5Al(AlSi3O10)(OH)8
SSulfur
S ArsenopyriteFeAsS
S PyrrhotiteFe7S8
S PyriteFeS2
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe ArsenopyriteFeAsS
Fe PyrrhotiteFe7S8
Fe PyriteFeS2
AsArsenic
As ArsenopyriteFeAsS

Localities in this Region


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