Bessie G Mine, La Plata District (California District), La Plata Co., Colorado, USA

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List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold	1.1.1.1	Au
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Hessite	2.4.2.1	Ag2Te
AmXp, with m:p = 1:1
Cinnabar	2.8.14.1	HgS
Coloradoite	2.8.2.5	HgTe
Galena	2.8.1.1	PbS
Sphalerite	2.8.2.1	ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite	2.9.1.1	CuFeS2
AmBnXp, with (m+n):p = 1:2
Calaverite	2.12.13.2	AuTe2
Krennerite	2.12.13.1	(Au,Ag)Te2
Pyrite	2.12.1.1	FeS2
Sylvanite	2.12.13.3	(Au,Ag)2Te4
Group 3 - SULFOSALTS
3 <ø < 4
Argentotennantite	3.3.6.7	(Ag,Cu)10(Zn,Fe)2(As,Sb)4S13
Freibergite	3.3.6.3	(Ag4+2xCu2-2x)[(Cu, Ag)4(Fe, Zn)2]Sb4S12S1-x (0 < x < 1)
Tetrahedrite	3.3.6.1	(Cu,Fe,Ag,Zn)12Sb4S13
Group 4 - SIMPLE OXIDES
A2X3
Hematite	4.3.1.2	Fe2O3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Siderite	14.1.1.3	FeCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte	28.3.1.1	BaSO4
Group 34 - SELENITES, TELLURITES AND SULFITES
A(XO3)
Magnolite	34.1.7.1	(Hg+2)(Te4+O3)
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 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Dickite	71.1.1.1	Al2(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Roscoelite	71.2.2a.4	K(V3+,Al)2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz	75.1.3.1	SiO2
Unclassified Minerals
Muscovite var: Sericite	-	KAl2(AlSi3O10)(OH)2

23 entries listed. 23 valid minerals.