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Serpentinite, Norfolk, Litchfield County, Connecticut, USAi
Regional Level Types
Serpentinite- not defined -
Norfolk- not defined -
Litchfield CountyCounty
ConnecticutState
USACountry

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Latitude & Longitude (WGS84):
41° 54' 56'' North , 73° 11' 9'' West
Latitude & Longitude (decimal):
41.91556,-73.18583
GRN:
N28W40
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Winchester Center10,830 (2017)4.6km
Norfolk553 (2017)8.8km
Winsted7,712 (2017)10.4km
West Torrington36,000 (2017)11.3km
Torrington34,906 (2017)13.8km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Bristol Gem & Mineral ClubBristol, Connecticut33km
Mindat Locality ID:
266557
Long-form identifier:
mindat:1:2:266557:6
GUID (UUID V4):
0


A brief mention by Eldridge (1900):

In the eastern wall of Hall Meadow Brook, a few hundred feet north of the Prentiss Clark place and quite near the Goshen line, a dike of talc serpentine rock with blades of actinolite occurs within the little area of the hornblende gneiss.


Mapped by Harwood (1979) as a small serpentinized ultramafic body described as:

composed of coarse blades of tremolite, sheared and altered olivine, talc, a serpentine-group mineral of unknown composition, and magnetite.


Another small body lies about 1 km SE in Goshen.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


4 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
Group 9 - Silicates
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘTalc9.EC.05Mg3Si4O10(OH)2
Unclassified
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4

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ⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oⓘ Fayalite-Forsterite Series
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mgⓘ Fayalite-Forsterite Series
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siⓘ Fayalite-Forsterite Series
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Fayalite-Forsterite Series

Other Regions, Features and Areas containing this locality

North AmericaContinent
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

Eldridge, Rev. Joseph. (1900), History of Norfolk. Massachusetts Printing Co., Everett, Mass.: 497.
Harwood, David S. (1979), Bedrock Geologic Map of the Norfolk Quadrangle, Connecticut. US Geological Survey map GQ-1518.
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