Movatterモバイル変換

[0]ホーム
URL:

Log InRegister
AboutSupport UsPhotosDiscussionsSearchLearnMore
Quick Links :The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
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 ElementsThe Rock H. Currier Digital LibraryGeologic Time
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 MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Rockport, Essex County, Massachusetts, USAi
Regional Level Types
RockportTown
Essex CountyCounty
MassachusettsState
USACountry

This page is currently not sponsored.Click here to sponsor this page.
PhotosMapsSearch
Standard
All Photos (52)Specimen Photos (23)Locality Photos (29)Photos by ColorGalleryPhoto StatisticsAdd Photo
Map PagesNearest LocalitiesUse Map in Article
Mineral SearchSimilar LocalitiesNearest LocalitiesPredictive MineralogySearch GoogleType Localities in Region
Neighbouring regions:
Gloucester, Essex County, Massachusetts, USA
Type:
Town
Largest Settlements:
PlacePopulation
Rockport4,966(2017)
Mindat Locality ID:
3825
Long-form identifier:
mindat:1:2:3825:9
GUID (UUID V4):
0
Other Languages:
danalite, a new beryllium mineral, and subsequently ofcryophyllite, a new lithium mica. Besides being the type locality for these species, the Rockport quarries have afforded an interesting list of rare-earth minerals, and, perhaps most unusual of all, large tabular crystals offayalite, normally an utter stranger to granitic rocks."
Foster, M. D and Evans, H. T. Jr. (1962) analyzed Rockport cryophyllite and determined that type material conformed to ferroan lepidolite.
M. RIEDER(CHAIRMAN), G. CAVAZZINI, Yu. S. D'YAKONOV, VSEGEI, Srednii, S. GUGGENHEIM, P. V. KOVAL, G. MOLLER, A. M, R. NEIVA, E. W. RADOSLOVICH, J.-L. ROBERT, F. P. SASSI, H. TAKEDA, Z. WEISS, AND D. R. WONES (1999)re-assigned lepidolite to a new species, trilithionite.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Detailed Mineral List:

ⓘActinolite
Formula:◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Description: Reported from pegmatite in alkalic granite. Likely a sodic amphibole or aegirine.
ⓘAlbite
Formula:Na(AlSi3O8)
ⓘ'Allanite Group'
Formula:(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ⓘAnnite (TL)
Formula:KFe2+3(AlSi3O10)(OH)2
Type Locality:
ⓘ'Apatite'
Formula:Ca5(PO4)3(Cl/F/OH)
ⓘAstrophyllite
Formula:K2NaFe2+7Ti2[Si4O12]2O2(OH)4F
ⓘAugite
Formula:(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ'Biotite'
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘCalcite
Formula:CaCO3
ⓘ'Chlorite Group'
ⓘ'Cryophyllite'
Description: A discredited mineral.
ⓘDanalite (TL)
Formula:Be3Fe2+4(SiO4)3S
ⓘFayalite
Formula:Fe2+2SiO4
ⓘ'Fergusonite'
ⓘFergusonite-(Y)
Formula:YNbO4
ⓘFerro-anthophyllite
Formula:◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2
ⓘFluorite
Formula:CaF2
ⓘFluorite var. Yttrocerite
Formula:(Ca,Y,Ce)F2+x
ⓘ'Gadolinite' ?
Description: Unconfirmed. Collected 1920. ID based on resemblence to gadolinite from Texas, though a qualitative analysis is lacking (McKinstry, 1921: Minerals of Rockport, Mass; AmMin 6:59).
ⓘGalena
Formula:PbS
ⓘGenthelvite
Formula:Be3Zn4(SiO4)3S
ⓘGrunerite
Formula:◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2
ⓘHastingsite
Formula:NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2
Description: Chemical analysis (Lyons, 1976) identified some of the Cape Ann granite amphiboles as "ferrohastingsite" (since redefined as hastingsite.)
ⓘHedenbergite
Formula:CaFe2+Si2O6
ⓘHematite
Formula:Fe2O3
ⓘ'Hornblende Root Name Group'
Formula:◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘIlmenite
Formula:Fe2+TiO3
ⓘ'Limonite'
ⓘMagnetite
Formula:Fe2+Fe3+2O4
ⓘMicrocline
Formula:K(AlSi3O8)
ⓘMicrocline var. Amazonite
Formula:K(AlSi3O8)
ⓘMinnesotaite
Formula:Fe2+3Si4O10(OH)2
ⓘMolybdenite
Formula:MoS2
ⓘMuscovite
Formula:KAl2(AlSi3O10)(OH)2
ⓘOrthoclase
Formula:K(AlSi3O8)
ⓘ'Plagioclase'
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
ⓘPyrite
Formula:FeS2
ⓘPyrrhotite
Formula:Fe1-xS
ⓘQuartz
Formula:SiO2
ⓘQuartz var. Blue Quartz
Formula:SiO2
ⓘQuartz var. Citrine
Formula:SiO2
ⓘQuartz var. Rock Crystal
Formula:SiO2
ⓘQuartz var. Smoky Quartz
Formula:SiO2
ⓘ'Tantalite'
Formula:(Mn,Fe)(Ta,Nb)2O6
ⓘThorite
Formula:Th(SiO4)
ⓘThorite var. Orangite
Formula:Th(SiO4)
ⓘTrilithionite
Formula:K(Li1.5Al1.5)(AlSi3O10)(F,OH)2
ⓘZircon
Formula:Zr(SiO4)
ⓘZircon var. Cyrtolite
Formula:Zr[(SiO4),(OH)4]
ⓘZirconolite
Formula:CaZrTi2O7
ⓘ'Zirconolite-3O'
Formula:(Ca,REE)2Zr2(Ti,Nb)3FeO14

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGalena2.CD.10PbS
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
ⓘvar. Yttrocerite3.AB.25(Ca,Y,Ce)F2+x
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz
var. Citrine		4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘvar. Smoky Quartz4.DA.05SiO2
ⓘvar. Rock Crystal4.DA.05SiO2
ⓘvar. Blue Quartz4.DA.05SiO2
ⓘZirconolite4.DH.30CaZrTi2O7
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘFergusonite-(Y)7.GA.05YNbO4
Group 9 - Silicates
ⓘFayalite9.AC.05Fe2+2SiO4
ⓘThorite
var. Orangite		9.AD.30Th(SiO4)
ⓘ9.AD.30Th(SiO4)
ⓘZircon9.AD.30Zr(SiO4)
ⓘvar. Cyrtolite9.AD.30Zr[(SiO4),(OH)4]
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘHedenbergite9.DA.15CaFe2+Si2O6
ⓘAstrophyllite9.DC.05K2NaFe2+7Ti2[Si4O12]2O2(OH)4F
ⓘFerro-anthophyllite9.DD.05◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2
ⓘGrunerite9.DE.05◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2
ⓘActinolite ?9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘHastingsite9.DE.15NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2
ⓘMinnesotaite9.EC.05Fe2+3Si4O10(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘAnnite (TL)9.EC.20KFe2+3(AlSi3O10)(OH)2
ⓘTrilithionite9.EC.20K(Li1.5Al1.5)(AlSi3O10)(F,OH)2
ⓘMicrocline
var. Amazonite		9.FA.30K(AlSi3O8)
ⓘ9.FA.30K(AlSi3O8)
ⓘOrthoclase9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘDanalite (TL)9.FB.10Be3Fe2+4(SiO4)3S
ⓘGenthelvite9.FB.10Be3Zn4(SiO4)3S
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Limonite'-
ⓘ'Tantalite'-(Mn,Fe)(Ta,Nb)2O6
ⓘ'Zirconolite-3O'-(Ca,REE)2Zr2(Ti,Nb)3FeO14
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Gadolinite' ?-
ⓘ'Fergusonite'-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)
ⓘ'Cryophyllite'-
ⓘ'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
HⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
HⓘAnniteKFe32+(AlSi3O10)(OH)2
HⓘAstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
HⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
HⓘFerro-anthophyllite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
HⓘGrunerite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
HⓘHastingsiteNaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2
HⓘMinnesotaiteFe32+Si4O10(OH)2
HⓘMuscoviteKAl2(AlSi3O10)(OH)2
HⓘTrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
HⓘZircon var.CyrtoliteZr[(SiO4),(OH)4]
HⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
HⓘApatiteCa5(PO4)3(Cl/F/OH)
HⓘAllanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
LiLithium
LiⓘTrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
BeBeryllium
BeⓘDanaliteBe3Fe42+(SiO4)3S
BeⓘGenthelviteBe3Zn4(SiO4)3S
CCarbon
CⓘCalciteCaCO3
OOxygen
OⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
OⓘAlbiteNa(AlSi3O8)
OⓘMicrocline var.AmazoniteK(AlSi3O8)
OⓘAnniteKFe32+(AlSi3O10)(OH)2
OⓘAstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
OⓘAugite(CaxMgyFez)(Mgy1Fez1)Si2O6
OⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
OⓘCalciteCaCO3
OⓘQuartz var.CitrineSiO2
OⓘDanaliteBe3Fe42+(SiO4)3S
OⓘFayaliteFe22+SiO4
OⓘFerro-anthophyllite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
OⓘFergusonite-(Y)YNbO4
OⓘGenthelviteBe3Zn4(SiO4)3S
OⓘGrunerite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
OⓘHastingsiteNaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2
OⓘHedenbergiteCaFe2+Si2O6
OⓘHematiteFe2O3
OⓘIlmeniteFe2+TiO3
OⓘMagnetiteFe2+Fe23+O4
OⓘMicroclineK(AlSi3O8)
OⓘMinnesotaiteFe32+Si4O10(OH)2
OⓘMuscoviteKAl2(AlSi3O10)(OH)2
OⓘThorite var.OrangiteTh(SiO4)
OⓘOrthoclaseK(AlSi3O8)
OⓘQuartzSiO2
OⓘQuartz var.Smoky QuartzSiO2
OⓘTantalite(Mn,Fe)(Ta,Nb)2O6
OⓘThoriteTh(SiO4)
OⓘZirconZr(SiO4)
OⓘZirconoliteCaZrTi2O7
OⓘQuartz var.Rock CrystalSiO2
OⓘZirconolite-3O(Ca,REE)2Zr2(Ti,Nb)3FeO14
OⓘTrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
OⓘZircon var.CyrtoliteZr[(SiO4),(OH)4]
OⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
OⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
OⓘQuartz var.Blue QuartzSiO2
OⓘApatiteCa5(PO4)3(Cl/F/OH)
OⓘAllanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
FⓘAstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
FⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FⓘFluoriteCaF2
FⓘTrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
FⓘFluorite var.Yttrocerite(Ca,Y,Ce)F2+x
FⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
FⓘApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
NaⓘAlbiteNa(AlSi3O8)
NaⓘAstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
NaⓘHastingsiteNaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2
NaⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
MgⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
MgⓘAugite(CaxMgyFez)(Mgy1Fez1)Si2O6
MgⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
AlⓘAlbiteNa(AlSi3O8)
AlⓘMicrocline var.AmazoniteK(AlSi3O8)
AlⓘAnniteKFe32+(AlSi3O10)(OH)2
AlⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlⓘHastingsiteNaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2
AlⓘMicroclineK(AlSi3O8)
AlⓘMuscoviteKAl2(AlSi3O10)(OH)2
AlⓘOrthoclaseK(AlSi3O8)
AlⓘTrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
AlⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
AlⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
SiⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
SiⓘAlbiteNa(AlSi3O8)
SiⓘMicrocline var.AmazoniteK(AlSi3O8)
SiⓘAnniteKFe32+(AlSi3O10)(OH)2
SiⓘAstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
SiⓘAugite(CaxMgyFez)(Mgy1Fez1)Si2O6
SiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SiⓘQuartz var.CitrineSiO2
SiⓘDanaliteBe3Fe42+(SiO4)3S
SiⓘFayaliteFe22+SiO4
SiⓘFerro-anthophyllite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
SiⓘGenthelviteBe3Zn4(SiO4)3S
SiⓘGrunerite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
SiⓘHastingsiteNaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2
SiⓘHedenbergiteCaFe2+Si2O6
SiⓘMicroclineK(AlSi3O8)
SiⓘMinnesotaiteFe32+Si4O10(OH)2
SiⓘMuscoviteKAl2(AlSi3O10)(OH)2
SiⓘThorite var.OrangiteTh(SiO4)
SiⓘOrthoclaseK(AlSi3O8)
SiⓘQuartzSiO2
SiⓘQuartz var.Smoky QuartzSiO2
SiⓘThoriteTh(SiO4)
SiⓘZirconZr(SiO4)
SiⓘQuartz var.Rock CrystalSiO2
SiⓘTrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
SiⓘZircon var.CyrtoliteZr[(SiO4),(OH)4]
SiⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiⓘQuartz var.Blue QuartzSiO2
SiⓘAllanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
PⓘApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
SⓘDanaliteBe3Fe42+(SiO4)3S
SⓘGalenaPbS
SⓘGenthelviteBe3Zn4(SiO4)3S
SⓘMolybdeniteMoS2
SⓘPyriteFeS2
SⓘPyrrhotiteFe1-xS
ClChlorine
ClⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
ClⓘApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
KⓘMicrocline var.AmazoniteK(AlSi3O8)
KⓘAnniteKFe32+(AlSi3O10)(OH)2
KⓘAstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
KⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
KⓘMicroclineK(AlSi3O8)
KⓘMuscoviteKAl2(AlSi3O10)(OH)2
KⓘOrthoclaseK(AlSi3O8)
KⓘTrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
CaCalcium
CaⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
CaⓘAugite(CaxMgyFez)(Mgy1Fez1)Si2O6
CaⓘCalciteCaCO3
CaⓘFluoriteCaF2
CaⓘHastingsiteNaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2
CaⓘHedenbergiteCaFe2+Si2O6
CaⓘZirconoliteCaZrTi2O7
CaⓘZirconolite-3O(Ca,REE)2Zr2(Ti,Nb)3FeO14
CaⓘFluorite var.Yttrocerite(Ca,Y,Ce)F2+x
CaⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
CaⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
CaⓘApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
TiⓘAstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
TiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
TiⓘIlmeniteFe2+TiO3
TiⓘZirconoliteCaZrTi2O7
TiⓘZirconolite-3O(Ca,REE)2Zr2(Ti,Nb)3FeO14
MnManganese
MnⓘTantalite(Mn,Fe)(Ta,Nb)2O6
FeIron
FeⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
FeⓘAnniteKFe32+(AlSi3O10)(OH)2
FeⓘAstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
FeⓘAugite(CaxMgyFez)(Mgy1Fez1)Si2O6
FeⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeⓘDanaliteBe3Fe42+(SiO4)3S
FeⓘFayaliteFe22+SiO4
FeⓘFerro-anthophyllite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
FeⓘGrunerite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
FeⓘHastingsiteNaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2
FeⓘHedenbergiteCaFe2+Si2O6
FeⓘHematiteFe2O3
FeⓘIlmeniteFe2+TiO3
FeⓘMagnetiteFe2+Fe23+O4
FeⓘMinnesotaiteFe32+Si4O10(OH)2
FeⓘPyriteFeS2
FeⓘPyrrhotiteFe1-xS
FeⓘTantalite(Mn,Fe)(Ta,Nb)2O6
FeⓘZirconolite-3O(Ca,REE)2Zr2(Ti,Nb)3FeO14
ZnZinc
ZnⓘGenthelviteBe3Zn4(SiO4)3S
YYttrium
YⓘFergusonite-(Y)YNbO4
YⓘFluorite var.Yttrocerite(Ca,Y,Ce)F2+x
ZrZirconium
ZrⓘZirconZr(SiO4)
ZrⓘZirconoliteCaZrTi2O7
ZrⓘZirconolite-3O(Ca,REE)2Zr2(Ti,Nb)3FeO14
ZrⓘZircon var.CyrtoliteZr[(SiO4),(OH)4]
NbNiobium
NbⓘFergusonite-(Y)YNbO4
NbⓘTantalite(Mn,Fe)(Ta,Nb)2O6
NbⓘZirconolite-3O(Ca,REE)2Zr2(Ti,Nb)3FeO14
MoMolybdenum
MoⓘMolybdeniteMoS2
CeCerium
CeⓘFluorite var.Yttrocerite(Ca,Y,Ce)F2+x
TaTantalum
TaⓘTantalite(Mn,Fe)(Ta,Nb)2O6
PbLead
PbⓘGalenaPbS
ThThorium
ThⓘThorite var.OrangiteTh(SiO4)
ThⓘThoriteTh(SiO4)

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Rockport,_Massachusetts
Wikidata ID:Q2079395
GeoNames ID:4948936

Localities in this Region

Other Regions, Features and Areas that Intersect


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, pleaseregister so you can add to our database. This locality information is for reference purposes only. You should never attempt tovisit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holdersfor access and that you are aware of all safety precautions necessary.

References

Cooke, Josiah P., Jr. (1867): OnCryophyllite, American Journal of Science and Arts: 48: 217.
Knowlton, W. J. (1867). On a new mineral from Rockport, Massachusetts [Cyrtolite], American Journal of Science and Arts, 2nd Series, 44: 224-226.
Shaler, N. S. (1888): The Geology of Cape Ann, Massachusetts, USGS Ninth Annual Report.
Merrill, George P. (1889): The Collection of Building and Ornamental Stones in the U.S. National Museum, p. 287.
Warren, Charles H. (1903) Anthophyllite [=Ferro-anthophyllite] andFayalite from Rockport, Massachusetts, American Journal of Science, 4th series: 16: 337.
Sears, John Henry (1905)The Physical Geography, Geology, Mineralogy and Paleontology of Essex Country, Massachusetts. Essex Institute.
McKinstry, H. E. (1921) The minerals of Rockport, Massachusetts.American Mineralogist, 6 (3) 56-60
Palache, Charles (1950) Fayalite at Rockport, Massachusetts.American Mineralogist, 35 (9-10) 877-881
Foster, Margaret D., Evans, Howard T. (1962) New study of cryophyllite.American Mineralogist, 47 (3-4). 344-352
Cooke, Josiah P. Jr. (1966) XI - On Danalite, a new Mineral Species from the Granite of Rockport, Mass.American Journal Of Science, S. 2 Vol. 42. 73-79
Dunn, Pete J. (1976) Genthelvite and the helvine group.Mineralogical Magazine, 40 (314) 627-636doi:10.1180/minmag.1976.040.314.10
Lyons, Paul C. (1976) The chemistry of riebeckites of Massachusetts and Rhode Island.Mineralogical Magazine, 40 (313) 473-479doi:10.1180/minmag.1976.040.313.06
Rieder, M., Cavazzini, G., D’yakonov, Yu. S., Frank-Kamenetskii, V. A., Gottardi, G., Guggenheim, S., Koval’, P. V., Müller, G., Neiva, A. M. R., Radoslovich, E. W., Robert, J.-L., Sassi, F. P., Takeda, H., Weiss, Z., Wones, D. R. (1999) Nomenclature of the micas.Mineralogical Magazine, 63 (2) 267-279doi:10.1180/minmag.1999.063.2.13
Bozhilov, Krassimir N., Evans, Bernard W. (2001) Ferroanthophyllite in Rockport grunerite: A transmission electron microscopy study.American Mineralogist, 86 (10) 1252-1260doi:10.2138/am-2001-1012
Quick NavTopMineral ListRock TypesFossilsOther DatabasesLocalities in RegionOther RegionsReferences
 
and/or 
Mindat.org is an outreach project of theHudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2025, except where stated. Most political location boundaries are© OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 byJolyon Ralph.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844.doi:10.2138/am-2024-9486.
Privacy Policy -Terms & Conditions -Contact Us / DMCA issues -Report a bug/vulnerabilityCurrent server date and time: November 27, 2025 23:21:39 Page updated: September 28, 2025 02:01:42