Robinson, Samuel (1825) A Catalogue of American Minerals, With Their Localities - Including All Which Are Known to Exist in the United States and British Provinces, And Having the Towns, Counties, and Districts in Each State and Province Arranged Alphabetically. With an Appendix, Containing Additional Localities and a Tabular View. Cummings, Hilliard, & Co.

ⓘ Scolecite ?

Formula: CaAl₂Si₃O₁₀ · 3H₂O

References:

Rocks & Min. Vol. 71, (1996)

ⓘ Siderite

Formula: FeCO₃

Locality: Quarry Road quarry, Westminster, Windham County, Vermont, USA

References:

Johannes Swarts collection

ⓘ Staurolite

Formula: Fe²⁺₂Al₉Si₄O₂₃(OH)

References:

ⓘ Synchysite-(Ce)

Formula: CaCe(CO₃)₂F

Locality: Interstate highway 91 exit 5, Westminster, Windham County, Vermont, USA

References:

Johannes Swarts collection

ⓘ Talc

Formula: Mg₃Si₄O₁₀(OH)₂

References:

ⓘ Talc var. Steatite

Formula: Mg₃(Si₄O₁₀)(OH)₂

References:

ⓘ Titanite

Formula: CaTi(SiO₄)O

Localities:

Quarry Road quarry, Westminster, Windham County, Vermont, USA
Interstate highway 91 exit 5, Westminster, Windham County, Vermont, USA

ⓘ Zoisite

Formula: (CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)

References:

Morrill & Chaffee, 1957. VT Mines & Mineral Localities

Gallery:

CaCe(CO₃)₂Fⓘ Synchysite-(Ce)

Synchysite-(Ce), etc.

Interstate highway 91 exit 5, Westminster, Windham County, Vermont, USA

Synchysite-(Ce), etc.

Interstate highway 91 exit 5, Westminster, Windham County, Vermont, USA

Synchysite-(Ce), etc.

Interstate highway 91 exit 5, Westminster, Windham County, Vermont, USA

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Goethite	4.00.	Fe³⁺O(OH)
ⓘ	Quartz var. Amethyst	4.DA.05	SiO₂
ⓘ		4.DA.05	SiO₂
ⓘ	Anatase	4.DD.05	TiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Siderite	5.AB.05	FeCO₃
ⓘ	Synchysite-(Ce)	5.BD.20c	CaCe(CO₃)₂F
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Halotrichite	7.CB.85	FeAl₂(SO₄)₄ · 22H₂O
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
Group 9 - Silicates
ⓘ	Staurolite	9.AF.30	Fe²⁺₂Al₉Si₄O₂₃(OH)
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Zoisite	9.BG.10	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
ⓘ	Ferro-actinolite	9.DE.10	◻Ca₂Fe²⁺₅(Si₈O₂₂)(OH)₂
ⓘ	Talc var. Steatite	9.EC.05	Mg₃(Si₄O₁₀)(OH)₂
ⓘ		9.EC.05	Mg₃Si₄O₁₀(OH)₂
ⓘ	Scolecite ?	9.GA.05	CaAl₂Si₃O₁₀ · 3H₂O
Unclassified
ⓘ	'K Feldspar var. Adularia'	-	KAlSi₃O₈
ⓘ	'Chabazite'	-
ⓘ	'K Feldspar'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Ferro-actinolite	◻Ca₂Fe₅²⁺(Si₈O₂₂)(OH)₂
H	ⓘ Goethite	Fe³⁺O(OH)
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Halotrichite	FeAl₂(SO₄)₄ · 22H₂O
H	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
H	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
H	ⓘ Talc var. Steatite	Mg₃(Si₄O₁₀)(OH)₂
H	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
H	ⓘ Zoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Siderite	FeCO₃
C	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
O	Oxygen
O	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
O	ⓘ Quartz var. Amethyst	SiO₂
O	ⓘ Anatase	TiO₂
O	ⓘ Calcite	CaCO₃
O	ⓘ Ferro-actinolite	◻Ca₂Fe₅²⁺(Si₈O₂₂)(OH)₂
O	ⓘ Goethite	Fe³⁺O(OH)
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Halotrichite	FeAl₂(SO₄)₄ · 22H₂O
O	ⓘ Quartz	SiO₂
O	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
O	ⓘ Siderite	FeCO₃
O	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
O	ⓘ Talc var. Steatite	Mg₃(Si₄O₁₀)(OH)₂
O	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
O	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Zoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
F	Fluorine
F	ⓘ Fluorite	CaF₂
F	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
Mg	Magnesium
Mg	ⓘ Talc var. Steatite	Mg₃(Si₄O₁₀)(OH)₂
Mg	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
Al	Aluminium
Al	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
Al	ⓘ Halotrichite	FeAl₂(SO₄)₄ · 22H₂O
Al	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
Al	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
Al	ⓘ Zoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Si	Silicon
Si	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
Si	ⓘ Quartz var. Amethyst	SiO₂
Si	ⓘ Ferro-actinolite	◻Ca₂Fe₅²⁺(Si₈O₂₂)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
Si	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
Si	ⓘ Talc var. Steatite	Mg₃(Si₄O₁₀)(OH)₂
Si	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Zoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
S	Sulfur
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Halotrichite	FeAl₂(SO₄)₄ · 22H₂O
S	ⓘ Pyrite	FeS₂
K	Potassium
K	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Ferro-actinolite	◻Ca₂Fe₅²⁺(Si₈O₂₂)(OH)₂
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
Ca	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Zoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Ti	Titanium
Ti	ⓘ Anatase	TiO₂
Ti	ⓘ Titanite	CaTi(SiO₄)O
Fe	Iron
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Ferro-actinolite	◻Ca₂Fe₅²⁺(Si₈O₂₂)(OH)₂
Fe	ⓘ Goethite	Fe³⁺O(OH)
Fe	ⓘ Halotrichite	FeAl₂(SO₄)₄ · 22H₂O
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Siderite	FeCO₃
Fe	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Ce	Cerium
Ce	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Westminster_(town),_Vermont
Wikidata ID:	Q2121414
GeoNames ID:	5242818

Localities in this Region

USA

Vermont
- Windham County
  - Westminster
    - Interstate highway 91 exit 5
    - Quarry Road quarry

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

Piedmontia DomainDomain
Taconic ArcVolcanic Arc

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.

Quick NavTop Mineral List Other Databases Localities in Region Other Regions

Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, 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 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
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/vulnerability Current server date and time: September 4, 2026 01:39:26 Page updated: August 26, 2025 05:47:00

Go to top of page

Westminster, Windham County, Vermont, USAiRegional Level TypesWestminsterTown Windham CountyCounty VermontState USACountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

Select Mineral List Type

Mineral List

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Other Databases

Localities in this Region

Other Regions, Features and Areas containing this locality

Westminster, Windham County, Vermont, USA i
Regional Level Types
Westminster Town
Windham County County
Vermont State
USA Country