Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 335.

ⓘ Clinochlore

Formula: Mg₅Al(AlSi₃O₁₀)(OH)₈

Localities:

Black Oak Mine [2] (Black Oak deposit; Cassiorina Mine; Cassiorini Mine), Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA
Stifle claims (Stifle prospects; Stifle Memorial claim; Traverse Cr. Special Interest Area; Traverse Creek Special Interest Area), Meadow Brook, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA
Georgetown area occurrences, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

ⓘ Clinochlore var. Chromium-bearing Clinochlore

Formula: Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈

Locality: Black Oak Mine [2] (Black Oak deposit; Cassiorina Mine; Cassiorini Mine), Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

References:

Cater, F.W., Jr., G.A. Rynearson & D.H. Dow (1951), Chromite deposits of El Dorado County, California: California Division Mines Bulletin 134, part III, Chapter 4: 122-162

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Diopside

Formula: CaMgSi₂O₆

Locality: Stifle claims (Stifle prospects; Stifle Memorial claim; Traverse Cr. Special Interest Area; Traverse Creek Special Interest Area), Meadow Brook, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Colour: White

Description: Massive material and lath-like crystals to 7 mm wide; resembles vesuvianite.

References:

Pabst, Adolf (1936) Vesuvianite from Georgetown, California. American Mineralogist, 21 (1) 1-10 p.2

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

www.mineralsocal.org (1999) https://www.mineralsocal.org

Pisciotta, Len (2019) White grossular from near the Stifle claim, Georgetown, El Dorado County, California. The Mineralogical Record, 50 (6) 713-717

ⓘ Enargite

Formula: Cu₃AsS₄

Locality: Ford Mines, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

References:

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 175.

ⓘ Galena

Formula: PbS

Locality: Georgetown area occurrences, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

References:

Blake, Wm. P. (1857), Note on the occurrence of telluret of silver in California: California Academy of (Natural) Sciences Proceedings: 1: 270

Murdoch, Joseph; Webb, Robert Wallace (1966) Minerals of California, Centennial Volume (1866-1966) - California Division of Mines and Geology, Bulletin 189. California Division of Mines and Geology. 559 pp.

ⓘ Graphite

Formula: C

Locality: Unnamed Graphite-Phyllosilicate occurrence [1], Rock Canyon, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

References:

Guidotti, Charles V., Post, James L., Cheney, John T. (1979) Margarite pseudomorphs after chiastolite in the Georgetown area, California. American Mineralogist, 64 (7-8) 728-732

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Grossular

Formula: Ca₃Al₂(SiO₄)₃

Habit: trapezohedral

Colour: Pure white

Fluorescence: Bright pink-orange in LW

Description: Occurs in veinlets in serpentine.

References:

Pabst, Adolf (1936) Vesuvianite from Georgetown, California. American Mineralogist, 21 (1) 1-10 p.2

Deer, W.A., R.A. Howie, and J. Sussman (1962) Rock-forming Minerals, volume I, John Wiley and Sons, New York: 94

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

www.mineralsocal.org (1999) https://www.mineralsocal.org

Pisciotta, Len (2019) White grossular from near the Stifle claim, Georgetown, El Dorado County, California. The Mineralogical Record, 50 (6) 713-717

ⓘ Hessite

Formula: Ag₂Te

Locality: Georgetown area occurrences, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Description: A float specimen was found in 1854.

References:

Blake, Wm. P. (1857), Note on the occurrence of telluret of silver in California: California Academy of (Natural) Sciences Proceedings: 1: 270

Blake, Wm. P. (1858), Report of a geological reconnaissance in California 370 pp., New York: 302, 303

Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 229.

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

Locality: Georgetown area occurrences, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Description: Occurs in placer sands including as beautiful and complex crystals with brilliant faces to 1 inch (2.5 cm) diameter.

References:

Blake, Wm. P. (1858), Report of a geological reconnaissance in California 370 pp., New York: 303

Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 260.

Kunz, George F. (1905) Gems, Jewelers' Materials, and Ornamental Stones of California. Bulletin 37 (2nd ed.) California State Mining Bureau

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 226.

Hadley, Ted A. (2000) Brookite and Anatase from near Georgetown, El Dorado County, California. The Mineralogical Record, 31 (4) 345-348

ⓘ 'Limonite'

Localities:

Georgetown area occurrences, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA
David prospect, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Description: Occurs as an alteration product of nontronite.

ⓘ Margarite

Formula: CaAl₂(Al₂Si₂O₁₀)(OH)₂

Localities:

Unnamed Graphite-Phyllosilicate occurrence [1], Rock Canyon, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA
Georgetown area occurrences, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Description: Occurs in graphitic metapelites as pseudomorphic replacements of chiastolite.

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Localities:

Unnamed Graphite-Phyllosilicate occurrence [1], Rock Canyon, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA
David prospect, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

ⓘ Muscovite var. Sericite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Locality: David prospect, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Description: Occurs as sericite schist surrounding fine-grained chert.

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Native Copper

Formula: Cu

Localities:

Unspecified Cu occurrence [2], Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA
Arizona Mine (Contraband Mine; Contraband tunnel; Ford group), Meadow Brook, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Description: Occurs in siliceous shales.

ⓘ Native Gold

Formula: Au

Localities: Reported from at least 37 localities in this region.

ⓘ Nontronite

Formula: Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O

Locality: Georgetown area occurrences, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Description: Occurs altered/altering to limonite.

References:

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966). California Division Mines & Geology Bulletin 189: 280.

ⓘ Opal

Formula: SiO₂ · nH₂O

References:

Pisciotta, Len (2019) White grossular from near the Stifle claim, Georgetown, El Dorado County, California. The Mineralogical Record, 50 (6) 713-717

ⓘ Paragonite

Formula: NaAl₂(AlSi₃O₁₀)(OH)₂

Locality: Unnamed Graphite-Phyllosilicate occurrence [1], Rock Canyon, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Description: Occurs in graphitic metapelites.

References:

Guidotti, Charles V., Post, James L., Cheney, John T. (1979) Margarite pseudomorphs after chiastolite in the Georgetown area, California. American Mineralogist, 64 (7-8) 728-732

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Prehnite

Formula: Ca₂Al₂Si₃O₁₀(OH)₂

Description: Occurs in veinlets.

References:

Pabst, Adolf (1936) Vesuvianite from Georgetown, California. American Mineralogist, 21 (1) 1-10 p.2

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

www.mineralsocal.org (1999) https://www.mineralsocal.org

Pisciotta, Len (2019) White grossular from near the Stifle claim, Georgetown, El Dorado County, California. The Mineralogical Record, 50 (6) 713-717

ⓘ 'Psilomelane'

Locality: David prospect, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Pyrite

Formula: FeS₂

Localities:

Mameluke Hill Mine (Mameluke Mine), Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA
Beebe Mine (Iowa claim; Woodside-Eureka claim; Brooklyn claim; East Lode claim), Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA
Georgia Slide Mine (Beattie and Parsons Consonsolidated Mine; Beattie and Parsons Cons.; Beattie claim; Blue Rock claim; Mulvey Point claim; Pacific claim; Parsons claim), Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Habit: Cubic

Description: Occurs as brilliant cubes.

ⓘ Pyrite var. Gold-bearing Pyrite

Formula: FeS₂

Locality: Beebe Mine (Iowa claim; Woodside-Eureka claim; Brooklyn claim; East Lode claim), Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Pyrolusite

Formula: Mn⁴⁺O₂

Locality: David prospect, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Quartz

Formula: SiO₂

Localities: Reported from at least 29 localities in this region.

ⓘ Quartz var. Smoky Quartz

Formula: SiO₂

Locality: Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

References:

A&M photo

ⓘ 'Serpentine Subgroup'

Formula: D₃[Si₂O₅](OH)₄

References:

Pabst, Adolf (1936) Vesuvianite from Georgetown, California. American Mineralogist, 21 (1) 1-10 p.2

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 193.

ⓘ 'Serpentine Subgroup var. Picrolite'

Formula: D₃[Si₂O₅](OH)₄ D= Mg, Fe, Ni, Mn, Al, Zn

References:

Collected by Matthew Stanley in 2014

ⓘ Tremolite

Formula: ◻Ca₂Mg₅(Si₈O₂₂)(OH)₂

References:

Pisciotta, Len (2019) White grossular from near the Stifle claim, Georgetown, El Dorado County, California. The Mineralogical Record, 50 (6) 713-717

ⓘ Uvarovite

Formula: Ca₃Cr³⁺₂(SiO₄)₃

Locality: Black Oak Mine [2] (Black Oak deposit; Cassiorina Mine; Cassiorini Mine), Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

References:

Cater, F.W., Jr., G.A. Rynearson & D.H. Dow (1951), Chromite deposits of El Dorado County, California: California Division Mines Bulletin 134, part III, Chapter 4: 122-162

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Vesuvianite

Formula: Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉

Localities:

Siegel lode, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA
Stifle claims (Stifle prospects; Stifle Memorial claim; Traverse Cr. Special Interest Area; Traverse Creek Special Interest Area), Meadow Brook, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Colour: Brown

Description: Occurs as crystals.

ⓘ Wulfenite

Formula: Pb(MoO₄)

Locality: Esperanza Mine (Esperanza claim; Garden Valley claim), Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Description: Occurs as small grains.

References:

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 388.

Gallery:

Auⓘ Native Gold

Native Gold

Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Native Gold

Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Native Gold

Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

SiO₂ⓘ Quartz

Quartz, etc.

Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Quartz, etc.

Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Quartz, etc.

Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉ⓘ Vesuvianite

Vesuvianite

Stifle claims, Meadow Brook, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Vesuvianite

Stifle claims, Meadow Brook, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Vesuvianite

Stifle claims, Meadow Brook, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Vesuvianite

Stifle claims, Meadow Brook, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Vesuvianite

Stifle claims, Meadow Brook, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Vesuvianite

Stifle claims, Meadow Brook, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

Vesuvianite

Stifle claims, Meadow Brook, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Copper	1.AA.05	Cu
ⓘ	Native Gold	1.AA.05	Au
ⓘ	Graphite	1.CB.05a	C
Group 2 - Sulphides and Sulfosalts
ⓘ	Hessite	2.BA.60	Ag₂Te
ⓘ	Galena	2.CD.10	PbS
ⓘ	Pyrite var. Gold-bearing Pyrite	2.EB.05a	FeS₂
ⓘ		2.EB.05a	FeS₂
ⓘ	Enargite	2.KA.05	Cu₃AsS₄
Group 4 - Oxides and Hydroxides
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	var. Smoky Quartz	4.DA.05	SiO₂
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	Pyrolusite	4.DB.05	Mn⁴⁺O₂
ⓘ	Anatase	4.DD.05	TiO₂
ⓘ	Brookite	4.DD.10	TiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Wulfenite	7.GA.05	Pb(MoO₄)
Group 9 - Silicates
ⓘ	Chrysotile	9.00.	Mg₃(Si₂O₅)(OH)₄
ⓘ	Grossular	9.AD.25	Ca₃Al₂(SiO₄)₃
ⓘ	Uvarovite	9.AD.25	Ca₃Cr³⁺₂(SiO₄)₃
ⓘ	Vesuvianite	9.BG.35	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Tremolite	9.DE.10	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
ⓘ	Prehnite	9.DP.20	Ca₂Al₂Si₃O₁₀(OH)₂
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Paragonite	9.EC.15	NaAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Muscovite var. Sericite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Margarite	9.EC.30	CaAl₂(Al₂Si₂O₁₀)(OH)₂
ⓘ	Nontronite	9.EC.40	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
ⓘ	Clinochlore	9.EC.55	Mg₅Al(AlSi₃O₁₀)(OH)₈
ⓘ	var. Chromium-bearing Clinochlore	9.EC.55	Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
Unclassified
ⓘ	'Chlorite Group'	-
ⓘ	'Limonite'	-
ⓘ	'Psilomelane'	-
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄
ⓘ	'var. Picrolite'	-	D₃[Si₂O₅](OH)₄ D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
H	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
H	ⓘ Clinochlore var. Chromium-bearing Clinochlore	Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈
H	ⓘ Margarite	CaAl₂(Al₂Si₂O₁₀)(OH)₂
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Opal	SiO₂ · nH₂O
H	ⓘ Paragonite	NaAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
H	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
H	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
H	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
H	ⓘ Serpentine Subgroup var. Picrolite	D₃[Si₂O₅](OH)₄ D= Mg, Fe, Ni, Mn, Al, Zn
C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Graphite	C
O	Oxygen
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Anatase	TiO₂
O	ⓘ Brookite	TiO₂
O	ⓘ Calcite	CaCO₃
O	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Clinochlore var. Chromium-bearing Clinochlore	Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈
O	ⓘ Margarite	CaAl₂(Al₂Si₂O₁₀)(OH)₂
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Paragonite	NaAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
O	ⓘ Pyrolusite	Mn⁴⁺O₂
O	ⓘ Quartz	SiO₂
O	ⓘ Quartz var. Smoky Quartz	SiO₂
O	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
O	ⓘ Uvarovite	Ca₃Cr₂³⁺(SiO₄)₃
O	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
O	ⓘ Wulfenite	Pb(MoO₄)
O	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
O	ⓘ Serpentine Subgroup var. Picrolite	D₃[Si₂O₅](OH)₄ D= Mg, Fe, Ni, Mn, Al, Zn
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Na	ⓘ Paragonite	NaAl₂(AlSi₃O₁₀)(OH)₂
Mg	Magnesium
Mg	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Mg	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Clinochlore var. Chromium-bearing Clinochlore	Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈
Mg	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Mg	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Mg	ⓘ Serpentine Subgroup var. Picrolite	D₃[Si₂O₅](OH)₄ D= Mg, Fe, Ni, Mn, Al, Zn
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Al	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Al	ⓘ Clinochlore var. Chromium-bearing Clinochlore	Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈
Al	ⓘ Margarite	CaAl₂(Al₂Si₂O₁₀)(OH)₂
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Paragonite	NaAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Al	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Al	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Serpentine Subgroup var. Picrolite	D₃[Si₂O₅](OH)₄ D= Mg, Fe, Ni, Mn, Al, Zn
Si	Silicon
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Si	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Si	ⓘ Clinochlore var. Chromium-bearing Clinochlore	Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈
Si	ⓘ Margarite	CaAl₂(Al₂Si₂O₁₀)(OH)₂
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Paragonite	NaAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Quartz var. Smoky Quartz	SiO₂
Si	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Si	ⓘ Uvarovite	Ca₃Cr₂³⁺(SiO₄)₃
Si	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Si	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
Si	ⓘ Serpentine Subgroup var. Picrolite	D₃[Si₂O₅](OH)₄ D= Mg, Fe, Ni, Mn, Al, Zn
S	Sulfur
S	ⓘ Pyrite var. Gold-bearing Pyrite	FeS₂
S	ⓘ Enargite	Cu₃AsS₄
S	ⓘ Galena	PbS
S	ⓘ Pyrite	FeS₂
K	Potassium
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Ca	ⓘ Margarite	CaAl₂(Al₂Si₂O₁₀)(OH)₂
Ca	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Ca	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Ca	ⓘ Uvarovite	Ca₃Cr₂³⁺(SiO₄)₃
Ca	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Ti	Titanium
Ti	ⓘ Anatase	TiO₂
Ti	ⓘ Brookite	TiO₂
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Cr	ⓘ Clinochlore var. Chromium-bearing Clinochlore	Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈
Cr	ⓘ Uvarovite	Ca₃Cr₂³⁺(SiO₄)₃
Mn	Manganese
Mn	ⓘ Pyrolusite	Mn⁴⁺O₂
Mn	ⓘ Serpentine Subgroup var. Picrolite	D₃[Si₂O₅](OH)₄ D= Mg, Fe, Ni, Mn, Al, Zn
Fe	Iron
Fe	ⓘ Pyrite var. Gold-bearing Pyrite	FeS₂
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Fe	ⓘ Serpentine Subgroup var. Picrolite	D₃[Si₂O₅](OH)₄ D= Mg, Fe, Ni, Mn, Al, Zn
Ni	Nickel
Ni	ⓘ Serpentine Subgroup var. Picrolite	D₃[Si₂O₅](OH)₄ D= Mg, Fe, Ni, Mn, Al, Zn
Cu	Copper
Cu	ⓘ Native Copper	Cu
Cu	ⓘ Enargite	Cu₃AsS₄
Zn	Zinc
Zn	ⓘ Serpentine Subgroup var. Picrolite	D₃[Si₂O₅](OH)₄ D= Mg, Fe, Ni, Mn, Al, Zn
As	Arsenic
As	ⓘ Enargite	Cu₃AsS₄
Mo	Molybdenum
Mo	ⓘ Wulfenite	Pb(MoO₄)
Ag	Silver
Ag	ⓘ Hessite	Ag₂Te
Te	Tellurium
Te	ⓘ Hessite	Ag₂Te
Au	Gold
Au	ⓘ Native Gold	Au
Pb	Lead
Pb	ⓘ Galena	PbS
Pb	ⓘ Wulfenite	Pb(MoO₄)

Localities in this Region

USA

California
- El Dorado County
  - East Segment Mother Lode
    - Georgetown District

USA

California
- El Dorado County
  - East Segment Mother Lode
    - Georgetown District

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

Shoofly-Olds Ferry DomainDomain
Sierra Nevada BatholithVolcanic Arc

USA

California
- Mother Lode BeltBelt
Sierra NevadaMountain Range

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East Segment Mother Lode, El Dorado County, California, USAiRegional Level TypesEast Segment Mother LodeLode El Dorado CountyCounty CaliforniaState USACountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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East Segment Mother Lode, El Dorado County, California, USA i
Regional Level Types
East Segment Mother Lode Lode
El Dorado County County
California State
USA Country