Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsBooks & Magazines
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography

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

This page is currently not sponsored. Click here to sponsor this page.
Key
Latitude & Longitude (WGS84):
41° 29' 50'' North , 72° 32' 47'' West
Latitude & Longitude (decimal):
Köppen 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


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 Strunz Dana Chemical Elements

Mineral List


7 valid minerals.

Detailed Mineral List:

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

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Opal4.DA.10SiO2 · nH2O
var: Opal-AN4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Annite9.EC.20KFe2+3(AlSi3O10)(OH)2
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Annite71.2.2b.3KFe2+3(AlSi3O10)(OH)2
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Opal
var: Opal-AN
-SiO2 · nH2O
Quartz
var: Smoky Quartz
-SiO2

List of minerals for each chemical element

HHydrogen
H Opal (var: Opal-AN)SiO2 · nH2O
H OpalSiO2 · nH2O
H AnniteKFe32+(AlSi3O10)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
OOxygen
O Opal (var: Opal-AN)SiO2 · nH2O
O OpalSiO2 · nH2O
O MagnetiteFe2+Fe23+O4
O AnniteKFe32+(AlSi3O10)(OH)2
O MuscoviteKAl2(AlSi3O10)(OH)2
O MicroclineK(AlSi3O8)
O Quartz (var: Smoky Quartz)SiO2
O AlbiteNa(AlSi3O8)
O QuartzSiO2
NaSodium
Na AlbiteNa(AlSi3O8)
AlAluminium
Al AnniteKFe32+(AlSi3O10)(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al MicroclineK(AlSi3O8)
Al AlbiteNa(AlSi3O8)
SiSilicon
Si Opal (var: Opal-AN)SiO2 · nH2O
Si OpalSiO2 · nH2O
Si AnniteKFe32+(AlSi3O10)(OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si MicroclineK(AlSi3O8)
Si Quartz (var: Smoky Quartz)SiO2
Si AlbiteNa(AlSi3O8)
Si QuartzSiO2
KPotassium
K AnniteKFe32+(AlSi3O10)(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K MicroclineK(AlSi3O8)
FeIron
Fe MagnetiteFe2+Fe23+O4
Fe AnniteKFe32+(AlSi3O10)(OH)2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Former Don Miller collection.

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.
 
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2020, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: February 23, 2020 14:50:19 Page generated: January 19, 2020 11:58:23
Go to top of page