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Carlton Quarry (Carleton Talc Mine), Chester, Windsor Co., Vermont, USA


List of minerals arranged by Dana 8th Edition classification
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe1-xS (x = 0 to 0.17)
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe(Cr,Al,Fe)2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Spinel7.2.1.1MgAl2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Magnesite14.1.1.2MgCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
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)
Clinozoisite58.2.1a.4{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Zoisite58.2.1b.1{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Anthophyllite66.1.2.1☐{Mg2}{Mg5}(Si8O22)(OH)2
Cummingtonite66.1.1.1☐{Mg2}{Mg5}(Si8O22)(OH)2
Group 67 - INOSILICATES Unbranched Chains with W > 2
Unbranched Chains with W>2 with W=3
Clinojimthompsonite (TL)67.1.1.2(Mg,Fe)5Si6O16(OH)2
Jimthompsonite (TL)67.1.1.1(Mg,Fe)5Si6O16(OH)2
Group 68 - INOSILICATES Structures with Chains of More Than One Width
Structures with Chains of More Than One Width
Chesterite (TL)68.1.1.1(Mg,Fe)17Si20O54(OH)6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3(Si4O10)(OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4(Mg,Fe2+)5Al(AlSi3O10)(OH)8
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1NaAlSi3O8
Unclassified Minerals
Actinolite-☐{Ca2}{(Mg,Fe2+)5}(Si8O22)(OH)2
Biotite-
Clinochlore
var: Ripidolite		-(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Dolomite
var: Ferroan Dolomite		-CaMg(CO3)2
Ferrohornblende-☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2
'Garnet'-X3Z2(SiO4)3
Quartz
var: Smoky Quartz		-SiO2
'Serpentine Group'-D2[Si2O5](OH)4 + or - nH2O


33 entries listed. 30 valid minerals.

References

Rocks & Minerals 15:369-371

Jacobs, E. C. (1916). The Talc and Verde Antique Deposits of Vermont, in Report of the State Geologist on the Mineral Industries and Geology of Vermont 1915-1916 (Burlington, VT), p. 245.

Nicolay & Stone (1967): Rocks & Minerals: A Guide For Collectors of the Eastern US, p.181.

Veblen, David R. and Burnham, Charles W. (1978). New Biopyriboles from Chester Vermont: I. Descriptive Mineralogy (American Mineralogist 63:1000-1009)

Clements, Robert and Robinson, Douglas (1996): The Carlton Quarry, Chester, Windsor County, Vermont (Rocks & Minerals 71:231)

Gait, Robert and Veblen, David (1996): Chesterite, Jimthompsonite, and Clinojimthompsonite from the Type Locality: Carlton Quarry, Chester, Windsor County, Vermont (Rocks & Minerals 71:275)




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