Reference: Newland, David H. (1919), The Mineral Resources of the State of New York, New York State Museum Bulletin 223, 224 (July-August 1919): 133.

ⓘ Graphite

Formula: C

Locality: Shaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess Co., New York, USA

Reference: Zodac, P., 1941

ⓘ Hemimorphite

Formula: Zn₄Si₂O₇(OH)₂ · H₂O

Locality: State Route 22 roadcut, Millerton, Town of North East (Northeast), Salisbury Mining District, Dutchess Co., New York, USA

Reference: George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.

ⓘ 'Hornblende'

Locality: Shaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess Co., New York, USA

Reference: Zodac, P., 1941

ⓘ Kaolinite

Formula: Al₂(Si₂O₅)(OH)₄

Locality: Shenandoah Mine, Shenandoah, Town of East Fishkill, Dutchess Co., New York, USA

Reference: Rocks & Min.: 22:512.

Limonite

Manhattan Mine, Amenia, Salisbury Mining District, Dutchess Co., New York, USA

ⓘ 'Limonite'

Localities: Reported from at least 12 localities in this region.

Reference: New York State Museum Bull. 223,224, Newland, David H. (July-August 1919), The Mineral Resources of the State of New York: 133.

ⓘ Microcline

Formula: K(AlSi₃O₈)

Locality: Shaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess Co., New York, USA

Reference: Zodac, P., 1941

ⓘ Molybdenite

Formula: MoS₂

Locality: Shaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess Co., New York, USA

Reference: Zodac, P., 1941

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Locality: Shaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess Co., New York, USA

Reference: Zodac, P., 1941

ⓘ Orthoclase

Formula: K(AlSi₃O₈)

Locality: Shaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess Co., New York, USA

Reference: Zodac, P., 1941

ⓘ Phlogopite

Formula: KMg₃(AlSi₃O₁₀)(OH)₂

Locality: Shaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess Co., New York, USA

Reference: Zodac, P., 1941

ⓘ 'Psilomelane'

Locality: Town of Union Vale, Dutchess Co., New York, USA

Reference: NY State Museum spec. no. 421

ⓘ Pyrite

Formula: FeS₂

Localities:

Reference: Zodac, P., 1941

Quartz

Town of Rhinebeck, Dutchess Co., New York, USA

ⓘ Quartz

Formula: SiO₂

Localities:

Town of Rhinebeck, Dutchess Co., New York, USA
Shaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess Co., New York, USA
Dutchess Quarry & Supply Co. Inc. Quarry (Peckham Industries Pleasant Valley Quarry), Town of Pleasant Valley, Dutchess Co., New York, USA

Reference: George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.

ⓘ Rhodonite

Formula: CaMn₃Mn[Si₅O₁₅]

Locality: Shaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess Co., New York, USA

Reference: Zodac, P., 1941

ⓘ 'Serpentine Subgroup'

Formula: D₃[Si₂O₅](OH)₄ D = Mg, Fe, Ni, Mn, Al, Zn

Locality: Shaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess Co., New York, USA

Reference: Zodac, P., 1941

ⓘ Siderite

Formula: FeCO₃

Localities:

Gridley Mine, Amenia (Ameniaville), Salisbury Mining District, Dutchess Co., New York, USA
Amenia Mine, Amenia (Ameniaville), Salisbury Mining District, Dutchess Co., New York, USA

Reference: New York State Museum Bull. 223,224, Newland, David H. (July-August 1919), The Mineral Resources of the State of New York: 136.

ⓘ Smithsonite

Formula: ZnCO₃

Locality: State Route 22 roadcut, Millerton, Town of North East (Northeast), Salisbury Mining District, Dutchess Co., New York, USA

Reference: George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.

ⓘ Sphalerite

Formula: ZnS

Locality: State Route 22 roadcut, Millerton, Town of North East (Northeast), Salisbury Mining District, Dutchess Co., New York, USA

Reference: George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.

ⓘ Staurolite

Formula: Fe²⁺₂Al₉Si₄O₂₃(OH)

Locality: Town of Dover, Dutchess Co., New York, USA

Reference: NY State Museum spec. no. 428.9

ⓘ 'Stilbite subgroup'

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

Locality: Shaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess Co., New York, USA

Reference: Zodac, P., 1941

ⓘ 'Tennantite Subgroup'

Formula: Cu₆(Cu₄ C²⁺₂)As₄S₁₂S

Locality: State Route 22 roadcut, Millerton, Town of North East (Northeast), Salisbury Mining District, Dutchess Co., New York, USA

Reference: George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.

ⓘ 'Tetrahedrite Subgroup'

Formula: Cu₆(Cu₄ C²⁺₂)Sb₄S₁₂S

Locality: Shekomeko (Shacameco), Town of North East (Northeast), Salisbury Mining District, Dutchess Co., New York, USA

Reference: George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.

ⓘ Titanite

Formula: CaTi(SiO₄)O

Locality: Shaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess Co., New York, USA

Reference: Zodac, P., 1941

ⓘ Tremolite

Formula: ◻{Ca₂}{Mg₅}(Si₈O₂₂)(OH)₂

Locality: Shaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess Co., New York, USA

Description: "mountain leather" variety

Reference: George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Graphite	1.CB.05a	C
Group 2 - Sulphides and Sulfosalts
ⓘ	Galena	2.CD.10	PbS
ⓘ	Molybdenite	2.EA.30	MoS₂
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	'Tennantite Subgroup'	2.GB.05	Cu₆(Cu₄ C²⁺₂)As₄S₁₂S
ⓘ	'Tetrahedrite Subgroup'	2.GB.05	Cu₆(Cu₄ C²⁺₂)Sb₄S₁₂S
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Gibbsite	4.FE.10	Al(OH)₃
ⓘ	Goethite	4.00.	α-Fe³⁺O(OH)
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Aragonite	5.AB.15	CaCO₃
ⓘ	Aurichalcite	5.BA.15	(Zn,Cu)₅(CO₃)₂(OH)₆
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Dolomite	5.AB.10	CaMg(CO₃)₂
ⓘ	Siderite	5.AB.05	FeCO₃
ⓘ	Smithsonite	5.AB.05	ZnCO₃
Group 9 - Silicates
ⓘ	Actinolite	9.DE.10	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂OH₂
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	Almandine	9.AD.25	Fe²⁺₃Al₂(SiO₄)₃
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Chloritoid	9.AF.85	(Fe²⁺,Mg,Mn²⁺)Al₂(SiO₄)O(OH)₂
ⓘ	Chrysotile	9.ED.15	Mg₃(Si₂O₅)(OH)₄
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Epidote	9.BG.05a	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
ⓘ	Hemimorphite	9.BD.10	Zn₄Si₂O₇(OH)₂ · H₂O
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄
ⓘ	Microcline	9.FA.30	K(AlSi₃O₈)
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Orthoclase	9.FA.30	K(AlSi₃O₈)
ⓘ	Phlogopite	9.EC.20	KMg₃(AlSi₃O₁₀)(OH)₂
ⓘ	Rhodonite	9.DK.05	CaMn₃Mn[Si₅O₁₅]
ⓘ	Staurolite	9.AF.30	Fe²⁺₂Al₉Si₄O₂₃(OH)
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Tremolite	9.DE.10	◻{Ca₂}{Mg₅}(Si₈O₂₂)(OH)₂
Unclassified Minerals, Rocks, etc.
ⓘ	'Allanite Group'	-	{A1²⁺REE³⁺}{M³⁺₂M3²⁺}(Si₂O₇)(SiO₄)O(OH)
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)
ⓘ	'Asbestos'	-
ⓘ	'var. Mountain Leather'	-
ⓘ	'Axinite Group'	-
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
ⓘ	'Chlorite Group'	-
ⓘ	'Hornblende'	-
ⓘ	'Limonite'	-
ⓘ	'Psilomelane'	-
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄ D = Mg, Fe, Ni, Mn, Al, Zn
ⓘ	'Stilbite subgroup'	-	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
ⓘ	Graphite	1.3.6.2	C
Group 2 - SULFIDES
A_mX_p, with m:p = 1:1
ⓘ	Galena	2.8.1.1	PbS
ⓘ	Sphalerite	2.8.2.1	ZnS
A_mB_nX_p, with (m+n):p = 1:2
ⓘ	Molybdenite	2.12.10.1	MoS₂
ⓘ	Pyrite	2.12.1.1	FeS₂
Group 3 - SULFOSALTS
3 <ø < 4
ⓘ	'Tennantite Subgroup'	3.3.6.2	Cu₆(Cu₄ C²⁺₂)As₄S₁₂S
ⓘ	'Tetrahedrite Subgroup'	3.3.6.1	Cu₆(Cu₄ C²⁺₂)Sb₄S₁₂S
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
ⓘ	Goethite	6.1.1.2	α-Fe³⁺O(OH)
X(OH)₃
ⓘ	Gibbsite	6.3.1.1	Al(OH)₃
Group 9 - NORMAL HALIDES
AX₂
ⓘ	Fluorite	9.2.1.1	CaF₂
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO₃)
ⓘ	Calcite	14.1.1.1	CaCO₃
ⓘ	Siderite	14.1.1.3	FeCO₃
ⓘ	Smithsonite	14.1.1.6	ZnCO₃
AB(XO₃)₂
ⓘ	Dolomite	14.2.1.1	CaMg(CO₃)₂
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
ⓘ	Aurichalcite	16a.4.2.1	(Zn,Cu)₅(CO₃)₂(OH)₆
Group 51 - NESOSILICATES Insular SiO₄ Groups Only
Insular SiO₄ Groups Only with cations in [6] and >[6] coordination
ⓘ	Almandine	51.4.3a.2	Fe²⁺₃Al₂(SiO₄)₃
Group 52 - NESOSILICATES Insular SiO₄ Groups and O,OH,F,H₂O
Insular SiO₄ Groups and O, OH, F, and H₂O with cations in [4] and >[4] coordination
ⓘ	Staurolite	52.2.3.1	Fe²⁺₂Al₉Si₄O₂₃(OH)
Insular SiO₄ Groups and O, OH, F, and H₂O with cations in [6] coordination only
ⓘ	Chloritoid	52.3.3.1	(Fe²⁺,Mg,Mn²⁺)Al₂(SiO₄)O(OH)₂
Insular SiO₄ Groups and O, OH, F, and H₂O with cations in [6] and/or >[6] coordination
ⓘ	Titanite	52.4.3.1	CaTi(SiO₄)O
Group 56 - SOROSILICATES Si₂O₇ Groups, With Additional O, OH, F and H₂O
Si₂O₇ Groups and O, OH, F, and H₂O with cations in [4] coordination
ⓘ	Hemimorphite	56.1.2.1	Zn₄Si₂O₇(OH)₂ · H₂O
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
ⓘ	Epidote	58.2.1a.7	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
ⓘ	Augite	65.1.3a.3	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Diopside	65.1.3a.1	CaMgSi₂O₆
Single-Width Unbranched Chains, W=1 with chains P=5
ⓘ	Rhodonite	65.4.1.1	CaMn₃Mn[Si₅O₁₅]
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
ⓘ	Tremolite	66.1.3a.1	◻{Ca₂}{Mg₅}(Si₈O₂₂)(OH)₂
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
ⓘ	Chrysotile	71.1.5.1	Mg₃(Si₂O₅)(OH)₄
Sheets of 6-membered rings with 2:1 layers
ⓘ	Muscovite	71.2.2a.1	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Phlogopite	71.2.2b.1	KMg₃(AlSi₃O₁₀)(OH)₂
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO₂ with [4] coordinated Si
ⓘ	Quartz	75.1.3.1	SiO₂
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
ⓘ	Albite	76.1.3.1	Na(AlSi₃O₈)
ⓘ	Microcline	76.1.1.5	K(AlSi₃O₈)
ⓘ	Orthoclase	76.1.1.1	K(AlSi₃O₈)
Unclassified Minerals, Mixtures, etc.
ⓘ	Actinolite	-	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂OH₂
ⓘ	'Allanite Group'	-	{A1²⁺REE³⁺}{M³⁺₂M3²⁺}(Si₂O₇)(SiO₄)O(OH)
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)
ⓘ	Aragonite	-	CaCO₃
ⓘ	'Asbestos'	-
ⓘ	'var. Mountain Leather'	-
ⓘ	'Axinite Group'	-
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
ⓘ	'Chlorite Group'	-
ⓘ	'Hornblende'	-
ⓘ	Kaolinite	-	Al₂(Si₂O₅)(OH)₄
ⓘ	'Limonite'	-
ⓘ	'Psilomelane'	-
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄ D = Mg, Fe, Ni, Mn, Al, Zn
ⓘ	'Stilbite subgroup'	-	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Goethite	α-Fe³⁺O(OH)
H	ⓘ Gibbsite	Al(OH)₃
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Chloritoid	(Fe²⁺,Mg,Mn²⁺)Al₂(SiO₄)O(OH)₂
H	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
H	ⓘ Hemimorphite	Zn₄Si₂O₇(OH)₂ · H₂O
H	ⓘ Aurichalcite	(Zn,Cu)₅(CO₃)₂(OH)₆
H	ⓘ Allanite Group	{A1²⁺REE³⁺}{M₂³⁺M3²⁺}(Si₂O₇)(SiO₄)O(OH)
H	ⓘ Tremolite	◻{Ca₂}{Mg₅}(Si₈O₂₂)(OH)₂
H	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂OH₂
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/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	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
H	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄ D = Mg, Fe, Ni, Mn, Al, Zn
H	ⓘ Stilbite subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
C	Carbon
C	ⓘ Siderite	FeCO₃
C	ⓘ Smithsonite	ZnCO₃
C	ⓘ Aurichalcite	(Zn,Cu)₅(CO₃)₂(OH)₆
C	ⓘ Aragonite	CaCO₃
C	ⓘ Calcite	CaCO₃
C	ⓘ Dolomite	CaMg(CO₃)₂
C	ⓘ Graphite	C
O	Oxygen
O	ⓘ Goethite	α-Fe³⁺O(OH)
O	ⓘ Gibbsite	Al(OH)₃
O	ⓘ Siderite	FeCO₃
O	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Chloritoid	(Fe²⁺,Mg,Mn²⁺)Al₂(SiO₄)O(OH)₂
O	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
O	ⓘ Smithsonite	ZnCO₃
O	ⓘ Hemimorphite	Zn₄Si₂O₇(OH)₂ · H₂O
O	ⓘ Aurichalcite	(Zn,Cu)₅(CO₃)₂(OH)₆
O	ⓘ Allanite Group	{A1²⁺REE³⁺}{M₂³⁺M3²⁺}(Si₂O₇)(SiO₄)O(OH)
O	ⓘ Tremolite	◻{Ca₂}{Mg₅}(Si₈O₂₂)(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂OH₂
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	ⓘ Aragonite	CaCO₃
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	ⓘ Calcite	CaCO₃
O	ⓘ Dolomite	CaMg(CO₃)₂
O	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
O	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
O	ⓘ Microcline	K(AlSi₃O₈)
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Orthoclase	K(AlSi₃O₈)
O	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Rhodonite	CaMn₃Mn[Si₅O₁₅]
O	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄ D = Mg, Fe, Ni, Mn, Al, Zn
O	ⓘ Stilbite subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
O	ⓘ Titanite	CaTi(SiO₄)O
F	Fluorine
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
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	ⓘ Fluorite	CaF₂
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Mg	Magnesium
Mg	ⓘ Chloritoid	(Fe²⁺,Mg,Mn²⁺)Al₂(SiO₄)O(OH)₂
Mg	ⓘ Tremolite	◻{Ca₂}{Mg₅}(Si₈O₂₂)(OH)₂
Mg	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂OH₂
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	ⓘ Dolomite	CaMg(CO₃)₂
Mg	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Mg	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄ D = Mg, Fe, Ni, Mn, Al, Zn
Al	Aluminium
Al	ⓘ Gibbsite	Al(OH)₃
Al	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Chloritoid	(Fe²⁺,Mg,Mn²⁺)Al₂(SiO₄)O(OH)₂
Al	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
Al	ⓘ Albite	Na(AlSi₃O₈)
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	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Al	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Al	ⓘ Microcline	K(AlSi₃O₈)
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Orthoclase	K(AlSi₃O₈)
Al	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Al	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄ D = Mg, Fe, Ni, Mn, Al, Zn
Al	ⓘ Stilbite subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Si	Silicon
Si	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Chloritoid	(Fe²⁺,Mg,Mn²⁺)Al₂(SiO₄)O(OH)₂
Si	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
Si	ⓘ Hemimorphite	Zn₄Si₂O₇(OH)₂ · H₂O
Si	ⓘ Allanite Group	{A1²⁺REE³⁺}{M₂³⁺M3²⁺}(Si₂O₇)(SiO₄)O(OH)
Si	ⓘ Tremolite	◻{Ca₂}{Mg₅}(Si₈O₂₂)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂OH₂
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	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Si	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Si	ⓘ Microcline	K(AlSi₃O₈)
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Orthoclase	K(AlSi₃O₈)
Si	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Rhodonite	CaMn₃Mn[Si₅O₁₅]
Si	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄ D = Mg, Fe, Ni, Mn, Al, Zn
Si	ⓘ Stilbite subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Si	ⓘ Titanite	CaTi(SiO₄)O
P	Phosphorus
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
S	Sulfur
S	ⓘ Galena	PbS
S	ⓘ Tennantite Subgroup	Cu₆(Cu₄ C₂²⁺)As₄S₁₂S
S	ⓘ Sphalerite	ZnS
S	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄ C₂²⁺)Sb₄S₁₂S
S	ⓘ Molybdenite	MoS₂
S	ⓘ Pyrite	FeS₂
Cl	Chlorine
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
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	ⓘ Orthoclase	K(AlSi₃O₈)
K	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Tremolite	◻{Ca₂}{Mg₅}(Si₈O₂₂)(OH)₂
Ca	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂OH₂
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ca	ⓘ Aragonite	CaCO₃
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Dolomite	CaMg(CO₃)₂
Ca	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Rhodonite	CaMn₃Mn[Si₅O₁₅]
Ca	ⓘ Titanite	CaTi(SiO₄)O
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	ⓘ Titanite	CaTi(SiO₄)O
Mn	Manganese
Mn	ⓘ Chloritoid	(Fe²⁺,Mg,Mn²⁺)Al₂(SiO₄)O(OH)₂
Mn	ⓘ Rhodonite	CaMn₃Mn[Si₅O₁₅]
Mn	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄ D = Mg, Fe, Ni, Mn, Al, Zn
Fe	Iron
Fe	ⓘ Goethite	α-Fe³⁺O(OH)
Fe	ⓘ Siderite	FeCO₃
Fe	ⓘ Chloritoid	(Fe²⁺,Mg,Mn²⁺)Al₂(SiO₄)O(OH)₂
Fe	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
Fe	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂OH₂
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	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄ D = Mg, Fe, Ni, Mn, Al, Zn
Ni	Nickel
Ni	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄ D = Mg, Fe, Ni, Mn, Al, Zn
Cu	Copper
Cu	ⓘ Tennantite Subgroup	Cu₆(Cu₄ C₂²⁺)As₄S₁₂S
Cu	ⓘ Aurichalcite	(Zn,Cu)₅(CO₃)₂(OH)₆
Cu	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄ C₂²⁺)Sb₄S₁₂S
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Zn	ⓘ Smithsonite	ZnCO₃
Zn	ⓘ Hemimorphite	Zn₄Si₂O₇(OH)₂ · H₂O
Zn	ⓘ Aurichalcite	(Zn,Cu)₅(CO₃)₂(OH)₆
Zn	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄ D = Mg, Fe, Ni, Mn, Al, Zn
As	Arsenic
As	ⓘ Tennantite Subgroup	Cu₆(Cu₄ C₂²⁺)As₄S₁₂S
Mo	Molybdenum
Mo	ⓘ Molybdenite	MoS₂
Sb	Antimony
Sb	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄ C₂²⁺)Sb₄S₁₂S
Pb	Lead
Pb	ⓘ Galena	PbS

Fossils

There are 3 fossil localities from the PaleoBioDB database within this region.

BETA TEST - These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences

Youngest Fossil Listed

411 Ma (Early Devonian)

Oldest Fossil Listed

485 Ma (Early Ordovician)

Stratigraphic Units

Unit	No. Occurrences	Age
Manlius - Thacher	5	419.2 - 410.8 Ma (Early Devonian)
Rochdale	1	485.4 - 477.7 Ma (Paleozoic)
Beekmantown - Rochdale	8	485.4 - 470 Ma (Paleozoic)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Actinostromella genus	Animalia : Porifera : Stromatoporoidea : Actinostromatida : Actinostromellidae : *Actinostromella*	419.2 - 410.8 Ma Early Devonian
Habrostroma genus	Animalia : Porifera : Stromatoporoidea : Syringostromatida : Coenostromatidae : *Habrostroma*	419.2 - 410.8 Ma Early Devonian
Parallelostroma genus	Animalia : Porifera : Stromatoporoidea : Syringostromatida : Coenostromatidae : *Parallelostroma*	419.2 - 410.8 Ma Early Devonian
Plectostroma genus	Animalia : Porifera : Actinostromatidae : *Plectostroma*	419.2 - 410.8 Ma Early Devonian
Campbelloceras genus	Animalia : Mollusca : Cephalopoda : Tarphyceratidae : *Campbelloceras*	485.4 - 478.6 Ma Paleozoic
Bassleroceras vassarina species	Animalia : Mollusca : Cephalopoda : Ellesmerocerida : Ellesmeroceratidae : Bassleroceras : *Bassleroceras vassarina*	485.4 - 478.6 Ma Paleozoic
Dwightoceras dactyloides species	Animalia : Mollusca : Cephalopoda : Bassleroceratidae : Dwightoceras : *Dwightoceras dactyloides*	485.4 - 478.6 Ma Paleozoic
Paraendoceras wappingerense species	Animalia : Mollusca : Cephalopoda : Endocerida : Proterocameroceratidae : Paraendoceras : *Paraendoceras wappingerense*	485.4 - 478.6 Ma Paleozoic
Paraendoceras depressum species	Animalia : Mollusca : Cephalopoda : Proterocameroceratidae : Paraendoceras : *Paraendoceras depressum*	485.4 - 478.6 Ma Paleozoic
Vassaroceras henrietta species	Animalia : Mollusca : Cephalopoda : Ellesmerocerida : Vassaroceras : *Vassaroceras henrietta*	485.4 - 478.6 Ma Paleozoic
Bassleroceras spissiseptum species	Animalia : Mollusca : Cephalopoda : Bassleroceratidae : Bassleroceras : *Bassleroceras spissiseptum*	485.4 - 478.6 Ma Paleozoic
Bassleroceras microscopium species	Animalia : Mollusca : Cephalopoda : Ellesmerocerida : Ellesmeroceratidae : Bassleroceras : *Bassleroceras microscopium*	485.4 - 478.6 Ma Paleozoic
Cyclostomiceras vasiforme species	Animalia : Mollusca : Cephalopoda : Ellesmerocerida : Cyclostomiceratidae : Cyclostomiceras : *Cyclostomiceras vasiforme*	485.4 - 477.7 Ma Paleozoic
Densastroma pexisum species	Animalia : Porifera : Stromatoporoidea : Actinostromatida : Densastromatidae : Densastroma : *Densastroma pexisum*	419.2 - 410.8 Ma Early Devonian

Fossil Localities

Click to show 3 fossil localities

USA

New York
- Dutchess Co.
  - Early Devonian🐚 Locality 2
  - Paleozoic🐚 Rochdale
  - Paleozoic🐚 Valley on Wappinger Creek

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Dutchess_County,_New_York
Wikidata ID:	Q115148
GeoNames ID:	5115580

Localities in this Region

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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.

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Dutchess Co., New York, USAiRegional Level TypesDutchess Co.County New YorkState USACountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Dutchess Co., New York, USA i
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Dutchess Co. County
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