Russian River District, Coast Range, Sonoma Co., California, USA

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List of minerals arranged by Dana 8th Edition classification

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
Pyrope	51.4.3a.1	Mg3Al2(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 [6] and/or >[6] coordination
Titanite	52.4.3.1	CaTi(SiO4)O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Omphacite	65.1.3b.1	(Ca,Na)(Mg,Al)Si2O6
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Glaucophane	66.1.3c.1	◻[Na2][Mg3Al2]Si8O22(OH)2
Group 69 - INOSILICATES Chains with Side Branches or Loops
Chains with Side Branches or Loops with P>2
Howieite	69.2.3.1	Na(Fe,Mn)10(Fe,Al)2Si12O31(OH)13
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined islands
Parsettensite	74.1.3.1	K1.2Mn8(Si,Al)12O26(OH)10
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz	75.1.3.1	SiO2

8 entries listed. 8 valid minerals.