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Darien, Fairfield County, Connecticut, USAi
Regional Level Types
Darien- not defined -
Fairfield CountyCounty
ConnecticutState
USACountry

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Latitude & Longitude (WGS84):
41° 4' 45'' North , 73° 28' 0'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Darien20,732 (2017)0.2km
East Norwalk84,530 (2017)6.4km
Norwalk88,485 (2017)6.5km
Stamford128,874 (2017)6.7km
New Canaan19,738 (2017)7.9km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Stamford Mineralogical SocietyStamford, Connecticut7km
Nassau Mineral ClubGlen Cove, New York28km
Danbury Mineralogical SocietyDanbury, Connecticut35km
Suffolk Gem & Mineral ClubBay Shore, New York44km
Island Rockhounds Inc.Bellmore, New York46km


Mineral listed is probably a reference to the abundant and large microcline porphyroblasts in the Harrison metadiorite gneiss, rather than albite.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


1 valid mineral.

Detailed Mineral List:

Albite ?
Formula: Na(AlSi3O8)
Description: "reported as crystals, three inches in length, occurring in biotite schist or diorite gneiss in Darien" (Januzzi, 1976). These are likely from the Harrison Gneiss, a metadiorite, which features large crystals of microcline of this size, so this may be a misidentification. No details on ID method provided.
Reference: Januzzi, Ronald E. (1976), Mineral Localities of CT and Southeastern NY State, Taylor Associates/Mineralogical Press, Danbury: 273.
Albite var. Andesine ?
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Description: "reported as crystals, three inches in length, occurring in biotite schist or diorite gneiss in Darien" (Januzzi, 1976). These are likely from the Harrison Gneiss, a metadiorite, which features large crystals of microcline of this size, so this may be a misidentification. No details on ID method provided.
Reference: Januzzi, Ronald E. (1976), Mineral Localities of CT and Southeastern NY State, Taylor Associates/Mineralogical Press, Danbury: 273.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
Albite ?9.FA.35Na(AlSi3O8)
var. Andesine ?9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]

List of minerals for each chemical element

OOxygen
O Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
O AlbiteNa(AlSi3O8)
NaSodium
Na Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Na AlbiteNa(AlSi3O8)
AlAluminium
Al Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Al AlbiteNa(AlSi3O8)
SiSilicon
Si Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Si AlbiteNa(AlSi3O8)
CaCalcium
Ca Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Januzzi, Ronald E. (1976), Mineral Localities of CT and Southeastern NY State, Taylor Associates/Mineralogical Press, Danbury: 273.

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