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Haddam Volunteer Fire Station, Higganum, Haddam, Middlesex County, Connecticut, USAi
Regional Level Types
Haddam Volunteer Fire Station- not defined -
Higganum- not defined -
Haddam- not defined -
Middlesex CountyCounty
ConnecticutState
USACountry

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Latitude & Longitude (WGS84):
41° 29' 50'' North , 72° 32' 47'' West
Latitude & Longitude (decimal):
KΓΆppen climate type:
Nearest Settlements:
PlacePopulationDistance
Higganum1,698 (2017)0.9km
Moodus1,413 (2017)8.0km
East Haddam9,042 (2017)8.6km
East Hampton2,691 (2017)9.5km
Middletown46,756 (2017)11.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Lapidary and Mineral Society of Central ConnecticutMeriden, Connecticut22km
New Haven Mineral ClubNew Haven, Connecticut38km
Bristol Gem & Mineral ClubBristol, Connecticut39km
Mindat Locality ID:
264356
Long-form identifier:
mindat:1:2:264356:7
GUID (UUID V4):
eb6996c8-5a11-453d-9f85-a59fb406466c


Road cut for the entrance to the Haddam Volunteer Fire Station, 439 Route 154, exposed small common pegmatites and the host Ordovician Pond Meadow Gneiss. Besides the rock forming minerals, accessory magnetite crystals and highly fluorescent opal-AN coatings were found in the pegmatite.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


7 valid minerals.

Detailed Mineral List:

β“˜ Albite
Formula: Na(AlSi3O8)
Habit: anhedral
Colour: white
β“˜ Annite
Formula: KFe2+3(AlSi3O10)(OH)2
Habit: anhedral
Colour: black
Description: accessory flakes
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
Habit: striated octahedral-dodecahedral
Colour: metalic gray-black
Description: small crystals to about 1.5 cm in the pegmatite
β“˜ Microcline
Formula: K(AlSi3O8)
Habit: anhedral
Colour: tan to pink
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Habit: anhedral
Description: accessory flakes
βœͺ Opal
Formula: SiO2 · nH2O
Habit: encrustations
Colour: colorless
Fluorescence: bright green
Description: colorless, gelatinous coatings on the pegmatite
βœͺ Opal var. Opal-AN
Formula: SiO2 · nH2O
Habit: encrustations
Colour: colorless
Fluorescence: bright green
Description: colorless, gelatinous coatings on the pegmatite
β“˜ Quartz
Formula: SiO2
Habit: anhedral
Colour: gray to black
β“˜ Quartz var. Smoky Quartz
Formula: SiO2
Habit: anhedral
Colour: gray to black

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Quartz4.DA.05SiO2
β“˜var. Smoky Quartz4.DA.05SiO2
β“˜Opal
var. Opal-AN
4.DA.10SiO2 Β· nH2O
β“˜4.DA.10SiO2 Β· nH2O
Group 9 - Silicates
β“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
β“˜Annite9.EC.20KFe2+3(AlSi3O10)(OH)2
β“˜Microcline9.FA.30K(AlSi3O8)
β“˜Albite9.FA.35Na(AlSi3O8)

List of minerals for each chemical element

HHydrogen
Hβ“˜ AnniteKFe32+(AlSi3O10)(OH)2
Hβ“˜ Opal var. Opal-ANSiO2 · nH2O
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ OpalSiO2 · nH2O
OOxygen
Oβ“˜ AlbiteNa(AlSi3O8)
Oβ“˜ AnniteKFe32+(AlSi3O10)(OH)2
Oβ“˜ Opal var. Opal-ANSiO2 · nH2O
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ MicroclineK(AlSi3O8)
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ OpalSiO2 · nH2O
Oβ“˜ QuartzSiO2
Oβ“˜ Quartz var. Smoky QuartzSiO2
NaSodium
Naβ“˜ AlbiteNa(AlSi3O8)
AlAluminium
Alβ“˜ AlbiteNa(AlSi3O8)
Alβ“˜ AnniteKFe32+(AlSi3O10)(OH)2
Alβ“˜ MicroclineK(AlSi3O8)
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Siβ“˜ AlbiteNa(AlSi3O8)
Siβ“˜ AnniteKFe32+(AlSi3O10)(OH)2
Siβ“˜ Opal var. Opal-ANSiO2 · nH2O
Siβ“˜ MicroclineK(AlSi3O8)
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ OpalSiO2 · nH2O
Siβ“˜ QuartzSiO2
Siβ“˜ Quartz var. Smoky QuartzSiO2
KPotassium
Kβ“˜ AnniteKFe32+(AlSi3O10)(OH)2
Kβ“˜ MicroclineK(AlSi3O8)
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
FeIron
Feβ“˜ AnniteKFe32+(AlSi3O10)(OH)2
Feβ“˜ MagnetiteFe2+Fe23+O4

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References

 
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