Reference: - Shepard, Charles U. (1842). On Washingtonite (a New Mineral), the Discovery of Euclase in Connecticut, and Additional Notices of the Supposed Phenakite of Goshen [MA], and Calstron-baryte of Schoharie, N. Y. (Am Journ. of Sci. 43:364).

ⓘ Kaersutite

Formula: NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂

Locality: State Route 78, Westerly, Washington County, Rhode Island, USA

ⓘ Kaolinite

Formula: Al₂(Si₂O₅)(OH)₄

Locality: Calder & Carnie Granite Quarry, Westerly, Washington County, Rhode Island, USA

ⓘ Laumontite

Formula: CaAl₂Si₄O₁₂ · 4H₂O

Locality: Sullivan Quarry (Armetta Quarry; Copar Quarry; Westerly Granite Co. Quarry), Bradford, Westerly, Washington County, Rhode Island, USA

Reference: Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston

Magnetite, etc.

Westerly, Washington County, Rhode Island, USA

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Localities: Reported from at least 7 localities in this region.

Reference: Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston

ⓘ Magnetite var. Titanium-bearing Magnetite

Formula: Fe²⁺(Fe³⁺,Ti)₂O₄

Locality: State Route 78, Westerly, Washington County, Rhode Island, USA

Malachite

White Rock Quarry, Westerly, Washington County, Rhode Island, USA

ⓘ Malachite

Formula: Cu₂(CO₃)(OH)₂

Locality: White Rock Quarry, Westerly, Washington County, Rhode Island, USA

Reference: P. Cristofono collection, 2014

Microcline

Westerly, Washington County, Rhode Island, USA

ⓘ Microcline

Formula: K(AlSi₃O₈)

Localities: Reported from at least 14 localities in this region.

Reference: Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston

ⓘ Molybdenite

Formula: MoS₂

Localities:

Smith Granite quarry, Westerly, Washington County, Rhode Island, USA
Redstone Granite Quarry (Cherenzia Quarry), Westerly, Washington County, Rhode Island, USA

Reference: Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston

ⓘ Monazite-(Ce)

Formula: Ce(PO₄)

Localities:

Reference: Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Localities: Reported from at least 7 localities in this region.

Reference: Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston

ⓘ Muscovite var. Sericite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Reference: Miller, 1972. Minerals of Rhode Island.

ⓘ Natrolite

Formula: Na₂Al₂Si₃O₁₀ · 2H₂O

Reference: Miller, 1972. Minerals of Rhode Island.

ⓘ Orthoclase

Formula: K(AlSi₃O₈)

Localities:

New England Granite Quarry, Westerly, Washington County, Rhode Island, USA
Catto Granite Quarry, Westerly, Washington County, Rhode Island, USA
Dixon Granite Quarry, Westerly, Washington County, Rhode Island, USA

Reference: Rocks & Min.: 20:466.

ⓘ Phlogopite

Formula: KMg₃(AlSi₃O₁₀)(OH)₂

Locality: State Route 78, Westerly, Washington County, Rhode Island, USA

ⓘ Pyrite

Formula: FeS₂

Localities:

Redstone Granite Quarry (Cherenzia Quarry), Westerly, Washington County, Rhode Island, USA
Dixon Granite Quarry, Westerly, Washington County, Rhode Island, USA
White Rock Quarry, Westerly, Washington County, Rhode Island, USA

Reference: Overstreet, 1967. USGS Prof. Pap. 530.]

ⓘ Quartz

Formula: SiO₂

Localities: Reported from at least 11 localities in this region.

Reference: Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston

ⓘ Quartz var. Amethyst

Formula: SiO₂

Localities:

Redstone Granite Quarry (Cherenzia Quarry), Westerly, Washington County, Rhode Island, USA
Westerly, Washington County, Rhode Island, USA

Reference: No reference listed

ⓘ Quartz var. Rutilated Quartz

Formula: SiO₂

Localities:

Redstone Granite Quarry (Cherenzia Quarry), Westerly, Washington County, Rhode Island, USA
Newall Granite Quarry, Bradford, Westerly, Washington County, Rhode Island, USA

Description: In smoky quartz.

Reference: No reference listed

ⓘ Quartz var. Smoky Quartz

Formula: SiO₂

Localities: Reported from at least 9 localities in this region.

Reference: No reference listed

ⓘ Rutile

Formula: TiO₂

Localities: Reported from at least 7 localities in this region.

Reference: Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston

ⓘ 'Serpentine Subgroup'

Formula: D₃[Si₂O₅](OH)₄

Locality: Redstone Granite Quarry (Cherenzia Quarry), Westerly, Washington County, Rhode Island, USA

Reference: Dale, T. N. (1908). The Chief Commercial Granites of Massachusetts, New Hampshire, and Rhode Island (USGS Bulletin 354.)

ⓘ Spinel

Formula: MgAl₂O₄

Locality: State Route 78, Westerly, Washington County, Rhode Island, USA

ⓘ Stilbite-Ca

Formula: NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O

Locality: Crumb Granite Quarry, Bradford, Westerly, Washington County, Rhode Island, USA

ⓘ 'Stilbite Subgroup'

Formula: M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O

Localities:

Smith Granite quarry, Westerly, Washington County, Rhode Island, USA
Redstone Granite Quarry (Cherenzia Quarry), Westerly, Washington County, Rhode Island, USA
White Rock Quarry, Westerly, Washington County, Rhode Island, USA

Description: Often bright orange.

Reference: Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston

ⓘ Thorianite

Formula: ThO₂

Locality: Redstone Granite Quarry (Cherenzia Quarry), Westerly, Washington County, Rhode Island, USA

Reference: Overstreet, 1967. USGS Prof. Pap. 530.

ⓘ Thorianite var. Uranothorianite

Formula: (Th,U)O₂

Locality: Redstone Granite Quarry (Cherenzia Quarry), Westerly, Washington County, Rhode Island, USA

Reference: Miller, 1972. Minerals of Rhode Island.

ⓘ Titanite

Formula: CaTi(SiO₄)O

Localities:

Sullivan Quarry (Armetta Quarry; Copar Quarry; Westerly Granite Co. Quarry), Bradford, Westerly, Washington County, Rhode Island, USA
Gencarelli Granite Quarry, Westerly, Washington County, Rhode Island, USA
Redstone Granite Quarry (Cherenzia Quarry), Westerly, Washington County, Rhode Island, USA

Reference: Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston

ⓘ Uraninite

Formula: UO₂

Locality: Redstone Granite Quarry (Cherenzia Quarry), Westerly, Washington County, Rhode Island, USA

Reference: Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston

ⓘ Xenotime-(Y)

Formula: Y(PO₄)

Reference: Miller, 1972. Minerals of Rhode Island.

ⓘ Zircon

Formula: Zr(SiO₄)

Localities:

Sullivan Quarry (Armetta Quarry; Copar Quarry; Westerly Granite Co. Quarry), Bradford, Westerly, Washington County, Rhode Island, USA
Redstone Granite Quarry (Cherenzia Quarry), Westerly, Washington County, Rhode Island, USA
Dixon Granite Quarry, Westerly, Washington County, Rhode Island, USA
Newall Granite Quarry, Bradford, Westerly, Washington County, Rhode Island, USA

Reference: Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston

Gallery:

{A1²⁺REE³⁺}{M1³⁺M2³⁺M3²⁺}(Si₂O₇)(SiO₄)O(OH)ⓘ 'Allanite Group'

Allanite Group

State Route 1 bypass, Westerly, Washington County, Rhode Island, USA

Allanite Group

State Route 1 bypass, Westerly, Washington County, Rhode Island, USA

Allanite Group

State Route 1 bypass, Westerly, Washington County, Rhode Island, USA

{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)ⓘ Epidote

Epidote

Redstone Granite Quarry, Westerly, Washington County, Rhode Island, USA

Epidote

Redstone Granite Quarry, Westerly, Washington County, Rhode Island, USA

Epidote

Redstone Granite Quarry, Westerly, Washington County, Rhode Island, USA

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Molybdenite	2.EA.30	MoS₂
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Anatase	4.DD.05	TiO₂
ⓘ	Columbite-(Fe)	4.DB.35	Fe²⁺Nb₂O₆
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	var. Washingtonite	4.CB.05	Fe²⁺TiO₃
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	var. Titanium-bearing Magnetite	4.BB.05	Fe²⁺(Fe³⁺,Ti)₂O₄
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	var. Amethyst	4.DA.05	SiO₂
ⓘ	var. Rutilated Quartz	4.DA.05	SiO₂
ⓘ	var. Smoky Quartz	4.DA.05	SiO₂
ⓘ	Rutile	4.DB.05	TiO₂
ⓘ	Spinel	4.BB.05	MgAl₂O₄
ⓘ	Thorianite	4.DL.05	ThO₂
ⓘ	var. Uranothorianite	4.DL.05	(Th,U)O₂
ⓘ	Uraninite	4.DL.05	UO₂
Group 5 - Nitrates and Carbonates
ⓘ	Aragonite	5.AB.15	CaCO₃
ⓘ	Bastnäsite-(Ce)	5.BD.20a	Ce(CO₃)F
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Malachite	5.BA.10	Cu₂(CO₃)(OH)₂
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Fluorapatite	8.BN.05	Ca₅(PO₄)₃F
ⓘ	Monazite-(Ce)	8.AD.50	Ce(PO₄)
ⓘ	Xenotime-(Y)	8.AD.35	Y(PO₄)
Group 9 - Silicates
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	var. Oligoclase	9.FA.35	(Na,Ca)[Al(Si,Al)Si₂O₈]
ⓘ	Allanite-(Ce)	9.BG.05b	{CaCe}{Al₂Fe²⁺}(Si₂O₇)(SiO₄)O(OH)
ⓘ	Analcime	9.GB.05	Na(AlSi₂O₆) · H₂O
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Beryl	9.CJ.05	Be₃Al₂(Si₆O₁₈)
ⓘ	Clinochlore	9.EC.55	Mg₅Al(AlSi₃O₁₀)(OH)₈
ⓘ	Epidote	9.BG.05a	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
ⓘ	Heulandite-Ca	9.GE.05	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
ⓘ	Kaersutite	9.DE.15	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄
ⓘ	Laumontite	9.GB.10	CaAl₂Si₄O₁₂ · 4H₂O
ⓘ	Microcline	9.FA.30	K(AlSi₃O₈)
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var. Sericite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Natrolite	9.GA.05	Na₂Al₂Si₃O₁₀ · 2H₂O
ⓘ	Orthoclase	9.FA.30	K(AlSi₃O₈)
ⓘ	Phlogopite	9.EC.20	KMg₃(AlSi₃O₁₀)(OH)₂
ⓘ	Stilbite-Ca	9.GE.10	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
Unclassified Minerals, Rocks, etc.
ⓘ	'Allanite Group'	-	{A1²⁺REE³⁺}{M1³⁺M2³⁺M3²⁺}(Si₂O₇)(SiO₄)O(OH)
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
ⓘ	'Chabazite'	-
ⓘ	'Columbite-(Fe)-Columbite-(Mn) Series'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄
ⓘ	'Stilbite Subgroup'	-	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Allanite-(Ce)	{CaCe}{Al₂Fe²⁺}(Si₂O₇)(SiO₄)O(OH)
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
H	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
H	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
H	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
H	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
H	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
H	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
H	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
H	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
H	ⓘ Allanite Group	{A1²⁺REE³⁺}{M1³⁺M2³⁺M3²⁺}(Si₂O₇)(SiO₄)O(OH)
H	ⓘ Malachite	Cu₂(CO₃)(OH)₂
Be	Beryllium
Be	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Aragonite	CaCO₃
C	ⓘ Bastnäsite-(Ce)	Ce(CO₃)F
C	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	Oxygen
O	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Allanite-(Ce)	{CaCe}{Al₂Fe²⁺}(Si₂O₇)(SiO₄)O(OH)
O	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
O	ⓘ Microcline	K(AlSi₃O₈)
O	ⓘ Fluorapatite	Ca₅(PO₄)₃F
O	ⓘ Monazite-(Ce)	Ce(PO₄)
O	ⓘ Calcite	CaCO₃
O	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Rutile	TiO₂
O	ⓘ Quartz	SiO₂
O	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
O	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
O	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Aragonite	CaCO₃
O	ⓘ Columbite-(Fe)	Fe²⁺Nb₂O₆
O	ⓘ Bastnäsite-(Ce)	Ce(CO₃)F
O	ⓘ Quartz var. Rutilated Quartz	SiO₂
O	ⓘ Quartz var. Smoky Quartz	SiO₂
O	ⓘ Quartz var. Amethyst	SiO₂
O	ⓘ Thorianite	ThO₂
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
O	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
O	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
O	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
O	ⓘ Spinel	MgAl₂O₄
O	ⓘ Orthoclase	K(AlSi₃O₈)
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
O	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
O	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
O	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Thorianite var. Uranothorianite	(Th,U)O₂
O	ⓘ Xenotime-(Y)	Y(PO₄)
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
O	ⓘ Allanite Group	{A1²⁺REE³⁺}{M1³⁺M2³⁺M3²⁺}(Si₂O₇)(SiO₄)O(OH)
O	ⓘ Ilmenite var. Washingtonite	Fe²⁺TiO₃
O	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	ⓘ Anatase	TiO₂
O	ⓘ Uraninite	UO₂
F	Fluorine
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
F	ⓘ Fluorapatite	Ca₅(PO₄)₃F
F	ⓘ Fluorite	CaF₂
F	ⓘ Bastnäsite-(Ce)	Ce(CO₃)F
Na	Sodium
Na	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
Na	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Na	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Na	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Na	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Mg	Magnesium
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Mg	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Mg	ⓘ Spinel	MgAl₂O₄
Mg	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Al	Aluminium
Al	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Allanite-(Ce)	{CaCe}{Al₂Fe²⁺}(Si₂O₇)(SiO₄)O(OH)
Al	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Al	ⓘ Microcline	K(AlSi₃O₈)
Al	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Al	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
Al	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Al	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Al	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Al	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Al	ⓘ Spinel	MgAl₂O₄
Al	ⓘ Orthoclase	K(AlSi₃O₈)
Al	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Al	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Al	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Al	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	Silicon
Si	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Allanite-(Ce)	{CaCe}{Al₂Fe²⁺}(Si₂O₇)(SiO₄)O(OH)
Si	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Si	ⓘ Microcline	K(AlSi₃O₈)
Si	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Si	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
Si	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Quartz var. Rutilated Quartz	SiO₂
Si	ⓘ Quartz var. Smoky Quartz	SiO₂
Si	ⓘ Quartz var. Amethyst	SiO₂
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Si	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Si	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Si	ⓘ Orthoclase	K(AlSi₃O₈)
Si	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Si	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Si	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Si	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
Si	ⓘ Allanite Group	{A1²⁺REE³⁺}{M1³⁺M2³⁺M3²⁺}(Si₂O₇)(SiO₄)O(OH)
P	Phosphorus
P	ⓘ Fluorapatite	Ca₅(PO₄)₃F
P	ⓘ Monazite-(Ce)	Ce(PO₄)
P	ⓘ Xenotime-(Y)	Y(PO₄)
S	Sulfur
S	ⓘ Molybdenite	MoS₂
S	ⓘ Pyrite	FeS₂
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Bornite	Cu₅FeS₄
K	Potassium
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
K	ⓘ Microcline	K(AlSi₃O₈)
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
K	ⓘ Orthoclase	K(AlSi₃O₈)
K	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Ca	ⓘ Allanite-(Ce)	{CaCe}{Al₂Fe²⁺}(Si₂O₇)(SiO₄)O(OH)
Ca	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Ca	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
Ca	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Aragonite	CaCO₃
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Ca	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Ti	Titanium
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Ti	ⓘ Rutile	TiO₂
Ti	ⓘ Titanite	CaTi(SiO₄)O
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Ti	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Ti	ⓘ Ilmenite var. Washingtonite	Fe²⁺TiO₃
Ti	ⓘ Anatase	TiO₂
Fe	Iron
Fe	ⓘ Allanite-(Ce)	{CaCe}{Al₂Fe²⁺}(Si₂O₇)(SiO₄)O(OH)
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Fe	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Columbite-(Fe)	Fe²⁺Nb₂O₆
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Ilmenite var. Washingtonite	Fe²⁺TiO₃
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Bornite	Cu₅FeS₄
Cu	Copper
Cu	ⓘ Malachite	Cu₂(CO₃)(OH)₂
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Bornite	Cu₅FeS₄
Y	Yttrium
Y	ⓘ Xenotime-(Y)	Y(PO₄)
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Nb	Niobium
Nb	ⓘ Columbite-(Fe)	Fe²⁺Nb₂O₆
Mo	Molybdenum
Mo	ⓘ Molybdenite	MoS₂
Ce	Cerium
Ce	ⓘ Allanite-(Ce)	{CaCe}{Al₂Fe²⁺}(Si₂O₇)(SiO₄)O(OH)
Ce	ⓘ Monazite-(Ce)	Ce(PO₄)
Ce	ⓘ Bastnäsite-(Ce)	Ce(CO₃)F
Th	Thorium
Th	ⓘ Thorianite	ThO₂
Th	ⓘ Thorianite var. Uranothorianite	(Th,U)O₂
U	Uranium
U	ⓘ Thorianite var. Uranothorianite	(Th,U)O₂
U	ⓘ Uraninite	UO₂

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Westerly Granite / Narragansett Pluton by Fred A. Schuster
Westerly Granite / Narragansett Pluton by Fred A. Schuster

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Westerly, Washington County, Rhode Island, USAiRegional Level TypesWesterly- not defined - Washington CountyCounty Rhode IslandState USACountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Westerly, Washington County, Rhode Island, USA i
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