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Purple Diopside Mound (PDM), Rose Road, Pitcairn, St. Lawrence Co., New York, USAi
Regional Level Types
Purple Diopside Mound (PDM)- not defined -
Rose RoadRoad
Pitcairn- not defined -
St. Lawrence Co.County
New YorkState
USACountry

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Key
Latitude & Longitude (WGS84):
44° 12' 5'' North , 75° 14' 3'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Harrisville622 (2017)8.8km
Edwards439 (2017)13.7km
Star Lake809 (2017)16.8km
Hailesboro624 (2017)20.8km
Gouverneur3,797 (2017)23.6km


Important note: The Rose Road Localities are privately owned and generally closed to collecting during turkey hunting season.

Fee locality.

A mineral occurrence located along Rose Road, about 100 meters NW of the classic Mulvaney wollastonite-diopside locality, in a small hill.

This is a separate occurrence from the Mulvaney Property Locality and the Rose Road Boulders.

Zircon age is 1170 Ma.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


17 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Habit: Crystals to 1 cm.
Colour: White
Description: Also white masses in purple diopside.
Reference: Chamberlain, Steve C., M.R. Walter, D.G. Bailey, J. Chiarenzelli & G.W. Robinson (2014), A new collecting site at the Rose Road Locality, Pitcairn, St. Lawrence County, New York, a presentation to the 41st. Rochester Mineralogical Symposium, April 25, 2014.
Calcite
Formula: CaCO3
Reference: Chamberlain, Steve C., M.R. Walter, D.G. Bailey, J. Chiarenzelli & G.W. Robinson (2014), A new collecting site at the Rose Road Locality, Pitcairn, St. Lawrence County, New York, a presentation to the 41st. Rochester Mineralogical Symposium, April 25, 2014.
Corundum
Formula: Al2O3
Colour: Deep purplish pink, red.
Description: Anhedral masses (ruby) to 5 mm in massive meionite.
Reference: Chamberlain, Steve C., M.R. Walter, D.G. Bailey, J. Chiarenzelli & G.W. Robinson (2014), A new collecting site at the Rose Road Locality, Pitcairn, St. Lawrence County, New York, a presentation to the 41st. Rochester Mineralogical Symposium, April 25, 2014.
Diopside
Formula: CaMgSi2O6
Habit: Prismatic to several cm.
Colour: Lavender/purple
Description: Also as fine-grained masses.
Reference: Chamberlain, Steve C., M.R. Walter, D.G. Bailey, J. Chiarenzelli & G.W. Robinson (2014), A new collecting site at the Rose Road Locality, Pitcairn, St. Lawrence County, New York, a presentation to the 41st. Rochester Mineralogical Symposium, April 25, 2014.
Fluorapatite
Formula: Ca5(PO4)3F
Habit: Prismatic to 8 cm.
Colour: Bright blue-green
Description: Transparent.
Reference: Chamberlain, Steve C., M.R. Walter, D.G. Bailey, J. Chiarenzelli & G.W. Robinson (2014), A new collecting site at the Rose Road Locality, Pitcairn, St. Lawrence County, New York, a presentation to the 41st. Rochester Mineralogical Symposium, April 25, 2014.
Graphite
Formula: C
Habit: Hexagonal crystals and rosettes to several mm.
Reference: Chamberlain, Steve C., M.R. Walter, D.G. Bailey, J. Chiarenzelli & G.W. Robinson (2014), A new collecting site at the Rose Road Locality, Pitcairn, St. Lawrence County, New York, a presentation to the 41st. Rochester Mineralogical Symposium, April 25, 2014.
Marialite
Formula: Na4Al3Si9O24Cl
Colour: White
Description: Composition near 50-50 line. Occurs as white outer zones on gray meionite crystals.
Reference: Chamberlain, Steve C., M.R. Walter, D.G. Bailey, J. Chiarenzelli & G.W. Robinson (2014), A new collecting site at the Rose Road Locality, Pitcairn, St. Lawrence County, New York, a presentation to the 41st. Rochester Mineralogical Symposium, April 25, 2014.
Meionite
Formula: Ca4Al6Si6O24CO3
Habit: Sharp, prismatic to 20 cm
Colour: Gray
Description: Composition near 50-50 line. crystals have transparent gray centers.
Reference: Chamberlain, Steve C., M.R. Walter, D.G. Bailey, J. Chiarenzelli & G.W. Robinson (2014), A new collecting site at the Rose Road Locality, Pitcairn, St. Lawrence County, New York, a presentation to the 41st. Rochester Mineralogical Symposium, April 25, 2014.
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Habit: Radial crystal aggregates to 0.5 cm by 5 cm; masses of acicular crystals.
Reference: Chamberlain, Steve C., M.R. Walter, D.G. Bailey, J. Chiarenzelli & G.W. Robinson (2014), A new collecting site at the Rose Road Locality, Pitcairn, St. Lawrence County, New York, a presentation to the 41st. Rochester Mineralogical Symposium, April 25, 2014.
Nepheline
Formula: Na3K(Al4Si4O16)
Reference: New Developments in the Study of the Purple Diopside Mound, Pitcairn, St. Lawrence County, New York. Chris Emproto. April 13th, 2019. 46th Annual Rochester Mineral Symposium.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Colour: Honey-brown
Description: Transparent crystals, sometimes as masses of 20 cm or more and as pseudomorphs after meionite to 3 cm.
Reference: Chamberlain, Steve C., M.R. Walter, D.G. Bailey, J. Chiarenzelli & G.W. Robinson (2014), A new collecting site at the Rose Road Locality, Pitcairn, St. Lawrence County, New York, a presentation to the 41st. Rochester Mineralogical Symposium, April 25, 2014.
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Habit: Rounded, radial groups to 4 cm
Colour: Brown
Description: Occurs on a matrix of calcite, graphite and pyrite.
Reference: Chamberlain, Steve C., M.R. Walter, D.G. Bailey, J. Chiarenzelli & G.W. Robinson (2014), A new collecting site at the Rose Road Locality, Pitcairn, St. Lawrence County, New York, a presentation to the 41st. Rochester Mineralogical Symposium, April 25, 2014.
Pyrite
Formula: FeS2
Habit: Filliform; modified cubes to 5 mm, as minute crystals, often altered to goethite, in "gieseckite", prehnite and meionite, and as oriented, parallel arrays ogf capillary crystals in meionite.
Reference: Chamberlain, Steve C., M.R. Walter, D.G. Bailey, J. Chiarenzelli & G.W. Robinson (2014), A new collecting site at the Rose Road Locality, Pitcairn, St. Lawrence County, New York, a presentation to the 41st. Rochester Mineralogical Symposium, April 25, 2014.
Sphalerite
Formula: ZnS
Reference: New Developments in the Study of the Purple Diopside Mound, Pitcairn, St. Lawrence County, New York. Chris Emproto. April 13th, 2019. 46th Annual Rochester Mineral Symposium.
Spinel
Formula: MgAl2O4
Habit: Octahedral to 1 mm
Colour: Pink
Description: Occurs with calcite and phlogopite.
Reference: Chamberlain, Steve C., M.R. Walter, D.G. Bailey, J. Chiarenzelli & G.W. Robinson (2014), A new collecting site at the Rose Road Locality, Pitcairn, St. Lawrence County, New York, a presentation to the 41st. Rochester Mineralogical Symposium, April 25, 2014.
Titanite
Formula: CaTi(SiO4)O
Habit: Tabular, to 5 cm; minute crystals of complex morphology.
Colour: Dark brown, almost black
Description: Occurs in albite.
Reference: Chamberlain, Steve C., M.R. Walter, D.G. Bailey, J. Chiarenzelli & G.W. Robinson (2014), A new collecting site at the Rose Road Locality, Pitcairn, St. Lawrence County, New York, a presentation to the 41st. Rochester Mineralogical Symposium, April 25, 2014.
Zircon
Formula: Zr(SiO4)
Habit: Minute, euhedral.
Description: Occurs as inclusions in Meionite.
Reference: Chamberlain, Steve C., M.R. Walter, D.G. Bailey, J. Chiarenzelli & G.W. Robinson (2014), A new collecting site at the Rose Road Locality, Pitcairn, St. Lawrence County, New York, a presentation to the 41st. Rochester Mineralogical Symposium, April 25, 2014.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Corundum4.CB.05Al2O3
Spinel4.BB.05MgAl2O4
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Diopside9.DA.15CaMgSi2O6
Marialite9.FB.15Na4Al3Si9O24Cl
Meionite9.FB.15Ca4Al6Si6O24CO3
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Nepheline9.FA.05Na3K(Al4Si4O16)
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Titanite9.AG.15CaTi(SiO4)O
Zircon9.AD.30Zr(SiO4)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Graphite1.3.6.2C
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Spinel7.2.1.1MgAl2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Al-Si Framework Feldspathoids and related species
Nepheline76.2.1.2Na3K(Al4Si4O16)
Al-Si Framework with other Be/Al/Si frameworks
Marialite76.3.1.1Na4Al3Si9O24Cl
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Unclassified Minerals, Mixtures, etc.
Meionite-Ca4Al6Si6O24CO3

List of minerals for each chemical element

HHydrogen
H PrehniteCa2Al2Si3O10(OH)2
H NatroliteNa2Al2Si3O10 · 2H2O
H PhlogopiteKMg3(AlSi3O10)(OH)2
CCarbon
C GraphiteC
C CalciteCaCO3
C MeioniteCa4Al6Si6O24CO3
OOxygen
O FluorapatiteCa5(PO4)3F
O SpinelMgAl2O4
O TitaniteCaTi(SiO4)O
O AlbiteNa(AlSi3O8)
O CorundumAl2O3
O CalciteCaCO3
O PrehniteCa2Al2Si3O10(OH)2
O DiopsideCaMgSi2O6
O ZirconZr(SiO4)
O MarialiteNa4Al3Si9O24Cl
O MeioniteCa4Al6Si6O24CO3
O NatroliteNa2Al2Si3O10 · 2H2O
O PhlogopiteKMg3(AlSi3O10)(OH)2
O NephelineNa3K(Al4Si4O16)
FFluorine
F FluorapatiteCa5(PO4)3F
NaSodium
Na AlbiteNa(AlSi3O8)
Na MarialiteNa4Al3Si9O24Cl
Na MeioniteCa4Al6Si6O24CO3
Na NatroliteNa2Al2Si3O10 · 2H2O
Na NephelineNa3K(Al4Si4O16)
MgMagnesium
Mg SpinelMgAl2O4
Mg DiopsideCaMgSi2O6
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
AlAluminium
Al SpinelMgAl2O4
Al AlbiteNa(AlSi3O8)
Al CorundumAl2O3
Al PrehniteCa2Al2Si3O10(OH)2
Al MarialiteNa4Al3Si9O24Cl
Al MeioniteCa4Al6Si6O24CO3
Al NatroliteNa2Al2Si3O10 · 2H2O
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al NephelineNa3K(Al4Si4O16)
SiSilicon
Si TitaniteCaTi(SiO4)O
Si AlbiteNa(AlSi3O8)
Si PrehniteCa2Al2Si3O10(OH)2
Si DiopsideCaMgSi2O6
Si ZirconZr(SiO4)
Si MarialiteNa4Al3Si9O24Cl
Si MeioniteCa4Al6Si6O24CO3
Si NatroliteNa2Al2Si3O10 · 2H2O
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si NephelineNa3K(Al4Si4O16)
PPhosphorus
P FluorapatiteCa5(PO4)3F
SSulfur
S PyriteFeS2
S MeioniteCa4Al6Si6O24CO3
S SphaleriteZnS
ClChlorine
Cl MarialiteNa4Al3Si9O24Cl
Cl MeioniteCa4Al6Si6O24CO3
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
K NephelineNa3K(Al4Si4O16)
CaCalcium
Ca FluorapatiteCa5(PO4)3F
Ca TitaniteCaTi(SiO4)O
Ca CalciteCaCO3
Ca PrehniteCa2Al2Si3O10(OH)2
Ca DiopsideCaMgSi2O6
Ca MeioniteCa4Al6Si6O24CO3
TiTitanium
Ti TitaniteCaTi(SiO4)O
FeIron
Fe PyriteFeS2
ZnZinc
Zn SphaleriteZnS
ZrZirconium
Zr ZirconZr(SiO4)

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Chamberlain, Steve C., M.R. Walter, D.G. Bailey, J. Chiarenzelli & G.W. Robinson (2014), A new collecting site at the Rose Road Locality, Pitcairn, St. Lawrence County, New York, a presentation to the 41st. Rochester Mineralogical Symposium, April 25, 2014.


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