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Unnamed quarry, Waterbury, New Haven County, Connecticut, USAi
Regional Level Types
Unnamed quarryQuarry
WaterburyCity
New Haven CountyCounty
ConnecticutState
USACountry

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Latitude & Longitude (WGS84):
41° 34' 56'' North , 73° 4' 23'' West
Latitude & Longitude (decimal):
41.58239,-73.07326
GRN:
N28W40
Type:
Quarry
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Oakville9,047(2017)1.6km
Waterbury108,802(2017)3.2km
Watertown3,574(2017)4.6km
Wolcott16,639(2017)7.5km
Middlebury6,974(2017)7.6km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Bristol Gem & Mineral ClubBristol, Connecticut14km
Lapidary and Mineral Society of Central ConnecticutMeriden, Connecticut23km
New Haven Mineral ClubNew Haven, Connecticut33km
Danbury Mineralogical SocietyDanbury, Connecticut38km
Mindat Locality ID:
251891
Long-form identifier:
mindat:1:2:251891:9
GUID (UUID V4):
0


A small aggregates quarry in a quartz-rich, schistose member of the Taine Mountain Formation granofels on state Route 73 in Waterbury. Low temperature mineralization of stilbite, heulandite, and pyrite along faults and joint faces occurs. Mineralization is typically of poor quality. Finds of good specimens were from a 1-time occurrence in an unusually thick and well mineralized exposure of a fault surface. Though rare, good stilbite specimens from here exhibit a beautiful golden yellow-orange color.

Location is on private property. Probably being quarried out for future commercial/retail development along Route 73.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Detailed Mineral List:

ⓘ'Biotite'
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘCalcite
Formula:CaCO3
ⓘChabazite-Ca
Formula:(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Colour: pale yellow
Description: etched crystals on pyrite and stilbite.
ⓘFluorite
Formula:CaF2
ⓘHeulandite-Ca
Formula:(Ca,Na)5(Si27Al9)O72 · 26H2O
Habit: coffin-shaped
Colour: colorless to pale yellow
Description: Typical coffin-shaped crystals in veins cutting gneiss. Species inferred from EDS analysis of multiple samples from Connecticut, which are all heulandite-Ca.
ⓘ'Heulandite Subgroup'
Formula:(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
ⓘMuscovite
Formula:KAl2(AlSi3O10)(OH)2
ⓘOrthoclase
Formula:K(AlSi3O8)
✪Pyrite
Formula:FeS2
Description: Fine slightly modified (shows {111} form) crystals dusting stilbite to about 4mm.
ⓘQuartz
Formula:SiO2
ⓘSchorl
Formula:NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
✪'Stilbite Subgroup'
Formula:M6-7[Al8-9Si27-28O72] · nH2O
Description: Very fine examples of golden yellow-orange stilbite crystals coated with pyrite have been found with extreme scarcity as low temperature fault and joint mineralization.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘOrthoclase9.FA.30K(AlSi3O8)
ⓘChabazite-Ca9.GD.10(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
ⓘHeulandite-Ca9.GE.05(Ca,Na)5(Si27Al9)O72 · 26H2O
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Heulandite Subgroup'-(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
ⓘ'Stilbite Subgroup'-M6-7[Al8-9Si27-28O72] · nH2O

List of minerals for each chemical element

HHydrogen
HⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
HⓘHeulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
HⓘMuscoviteKAl2(AlSi3O10)(OH)2
HⓘSchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
HⓘStilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
HⓘChabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
HⓘHeulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
BBoron
BⓘSchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
CⓘCalciteCaCO3
OOxygen
OⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
OⓘCalciteCaCO3
OⓘHeulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
OⓘMuscoviteKAl2(AlSi3O10)(OH)2
OⓘOrthoclaseK(AlSi3O8)
OⓘQuartzSiO2
OⓘSchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
OⓘStilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
OⓘChabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
OⓘHeulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
FFluorine
FⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FⓘFluoriteCaF2
NaSodium
NaⓘHeulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
NaⓘSchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
NaⓘChabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
NaⓘHeulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
MgMagnesium
MgⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
AlⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlⓘHeulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
AlⓘMuscoviteKAl2(AlSi3O10)(OH)2
AlⓘOrthoclaseK(AlSi3O8)
AlⓘSchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
AlⓘStilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
AlⓘChabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
AlⓘHeulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
SiSilicon
SiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SiⓘHeulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
SiⓘMuscoviteKAl2(AlSi3O10)(OH)2
SiⓘOrthoclaseK(AlSi3O8)
SiⓘQuartzSiO2
SiⓘSchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
SiⓘStilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
SiⓘChabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
SiⓘHeulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
SSulfur
SⓘPyriteFeS2
KPotassium
KⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
KⓘHeulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
KⓘMuscoviteKAl2(AlSi3O10)(OH)2
KⓘOrthoclaseK(AlSi3O8)
KⓘChabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
CaCalcium
CaⓘCalciteCaCO3
CaⓘFluoriteCaF2
CaⓘHeulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
CaⓘChabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
CaⓘHeulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
TiTitanium
TiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
FeⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeⓘPyriteFeS2
FeⓘSchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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