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McLear pegmatite quarry (Green Hill), De Kalb, De Kalb, St. Lawrence County, New York, USA i
Regional Level Types
McLear pegmatite quarry (Green Hill) Quarry
De Kalb Hamlet
De Kalb Town
St. Lawrence County County
New York State
USA Country

Regional Level Types
McLear pegmatite quarry (Green Hill)	Quarry
De Kalb	Hamlet
De Kalb	Town
St. Lawrence County	County
New York	State
USA	Country

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foundations of mine structures

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

dump of rock at the mine.

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

Diopside, etc.

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

foundations of mine structures

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

dump of rock at the mine.

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

Diopside, etc.

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

foundations of mine structures

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

dump of rock at the mine.

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

Latitude & Longitude (WGS84):

44° 27' 34'' North , 75° 18' 41'' West

Latitude & Longitude (decimal):

Type:

Age:

1217 ± 17 Ma

Geologic Time:

Ectasian

Reference for age:

Lupulescu, M. V., Chiarenzelli, J. R., Pullen, A., & Price, J. D. (2010, March). Pegmatites from the Adirondack Mountains, NY: Systematic mineralogy and geochronology. In Geological Society of America Abstracts with Programs (Vol. 42, No. 1, p. 158).

Köppen climate type:

Dfb : Warm-summer humid continental climate

Nearest Settlements:

Place	Population	Distance
De Kalb Junction	519 (2017)	5.9km
Hermon	406 (2017)	6.5km
Richville	320 (2017)	7.9km
Rensselaer Falls	322 (2017)	14.7km
Edwards	439 (2017)	15.8km

Nearest Clubs:
Local clubs are the best way to get access to collecting localities

Club	Location	Distance
St. Lawrence County Rock & Mineral Club	Canton, New York	19km

Mindat Locality ID:

205171

Long-form identifier:

mindat:1:2:205171:3

GUID (UUID V4):

Operated for feldspar from 1907 till the late 1930s. Shipped more than 120,000 tons feldspar in one decade.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

16 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Marble

ⓘ 'Pegmatite'

Detailed Mineral List:

ⓘ Albite

Formula: Na(AlSi₃O₈)

References:

Shaub, B. M. (1940). Age of the uraninite from the McLear pegmatite near Richville Station, St. Lawrence County, New York. American Mineralogist: Journal of Earth and Planetary Materials, 25(7), 480-487.

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ Calcite

Formula: CaCO₃

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ Chalcopyrite

Formula: CuFeS₂

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ Danburite

Formula: CaB₂Si₂O₈

References:

Marian Lupulescu (2010) The Pegmatites of New York. The 37th Rochester Mineralogical Symposium, April 15-18, 2010

ⓘ Diopside

Formula: CaMgSi₂O₆

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ Fluoro-edenite ?

Formula: NaCa₂Mg₅(Si₇Al)O₂₂F₂

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ Galena

Formula: PbS

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ Microcline

Formula: K(AlSi₃O₈)

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ Phlogopite

Formula: KMg₃(AlSi₃O₁₀)(OH)₂

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ Pyrite

Formula: FeS₂

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ 'Pyrochlore Supergroup'

Formula: A_2-mD₂X_6-wZ_1-n

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ 'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)'

Formula: (Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ Quartz

Formula: SiO₂

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ 'Serpentine Subgroup'

Formula: D₃[Si₂O₅](OH)₄

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ Thorite

Formula: Th(SiO₄)

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ Titanite

Formula: CaTi(SiO₄)O

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ Tremolite

Formula: ◻Ca₂Mg₅(Si₈O₂₂)(OH)₂

Description: Fluorine-rich

References:

Marian Lupulescu (2010) The Pegmatites of New York. The 37th Rochester Mineralogical Symposium, April 15-18, 2010

ⓘ Uraninite

Formula: UO₂

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

ⓘ Zircon

Formula: Zr(SiO₄)

References:

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

Gallery:

SiO₂ⓘ Quartz

Quartz, etc.

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

Quartz, etc.

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

Quartz, etc.

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

CaTi(SiO₄)Oⓘ Titanite

Titanite, etc.

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

Titanite, etc.

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

Titanite, etc.

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

◻Ca₂Mg₅(Si₈O₂₂)(OH)₂ⓘ Tremolite

Tremolite

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

Tremolite

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

Tremolite

McLear pegmatite quarry, De Kalb, De Kalb, St. Lawrence County, New York, USA

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Galena	2.CD.10	PbS
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Uraninite	4.DL.05	UO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
Group 9 - Silicates
ⓘ	Thorite	9.AD.30	Th(SiO₄)
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Tremolite	9.DE.10	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
ⓘ	Fluoro-edenite ?	9.DE.15	NaCa₂Mg₅(Si₇Al)O₂₂F₂
ⓘ	Phlogopite	9.EC.20	KMg₃(AlSi₃O₁₀)(OH)₂
ⓘ	Microcline	9.FA.30	K(AlSi₃O₈)
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	Danburite	9.FA.65	CaB₂Si₂O₈
Unclassified
ⓘ	'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)'	-	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄
ⓘ	'Pyrochlore Supergroup'	-	A_2-mD₂X_6-wZ_1-n
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
H	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
H	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
B	Boron
B	ⓘ Danburite	CaB₂Si₂O₈
C	Carbon
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
O	ⓘ Calcite	CaCO₃
O	ⓘ Danburite	CaB₂Si₂O₈
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Microcline	K(AlSi₃O₈)
O	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Thorite	Th(SiO₄)
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
O	ⓘ Uraninite	UO₂
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Fluoro-edenite	NaCa₂Mg₅(Si₇Al)O₂₂F₂
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	Fluorine
F	ⓘ Fluoro-edenite	NaCa₂Mg₅(Si₇Al)O₂₂F₂
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Na	ⓘ Fluoro-edenite	NaCa₂Mg₅(Si₇Al)O₂₂F₂
Mg	Magnesium
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Mg	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Mg	ⓘ Fluoro-edenite	NaCa₂Mg₅(Si₇Al)O₂₂F₂
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Microcline	K(AlSi₃O₈)
Al	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Al	ⓘ Fluoro-edenite	NaCa₂Mg₅(Si₇Al)O₂₂F₂
Si	Silicon
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Danburite	CaB₂Si₂O₈
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Microcline	K(AlSi₃O₈)
Si	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Thorite	Th(SiO₄)
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Fluoro-edenite	NaCa₂Mg₅(Si₇Al)O₂₂F₂
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
P	Phosphorus
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
S	Sulfur
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Galena	PbS
S	ⓘ Pyrite	FeS₂
Cl	Chlorine
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
K	Potassium
K	ⓘ Microcline	K(AlSi₃O₈)
K	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Danburite	CaB₂Si₂O₈
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Ca	ⓘ Fluoro-edenite	NaCa₂Mg₅(Si₇Al)O₂₂F₂
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ti	Titanium
Ti	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Ti	ⓘ Titanite	CaTi(SiO₄)O
Fe	Iron
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Pyrite	FeS₂
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Nb	Niobium
Nb	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Ta	Tantalum
Ta	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Pb	Lead
Pb	ⓘ Galena	PbS
Th	Thorium
Th	ⓘ Thorite	Th(SiO₄)
U	Uranium
U	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
U	ⓘ Uraninite	UO₂

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

Grenville OrogenyOrogenic Belt
Shawnee DomainDomain

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.

References

Schaub, B.M. (1929) A unique feldspar deposit near Dekalb Junction, New York. Economic Geology, 24, 68-89.

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

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