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Laytonville Quarry, Laytonville, Coastal Range, California, USA i
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Laytonville Quarry Quarry
Laytonville City
Coastal Range Mountain Range
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Laytonville Quarry	Quarry
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Coastal Range	Mountain Range
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Predictive Mineralogy

Lower Blueschist Volcanics

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Metavolcanic Blueschist Outcrop

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Deerite - Howieite Rich Boulder

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Lower Blueschist Volcanics

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Metavolcanic Blueschist Outcrop

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Deerite - Howieite Rich Boulder

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Lower Blueschist Volcanics

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Metavolcanic Blueschist Outcrop

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Latitude & Longitude (WGS84):

39° 37' 5'' North , 123° 27' 47'' West

Latitude & Longitude (decimal):

Type:

Age:

252.17 ± 0.06 to 66.0 Ma

Geologic Time:

Mesozoic

Köppen climate type:

Csb : Warm-summer Mediterranean climate

Nearest Settlements:

Place	Population	Distance
Laytonville	1,227 (2011)	8.0km
Brooktrails	3,235 (2011)	20.5km
Willits	4,861 (2017)	24.9km
Covelo	1,255 (2015)	26.7km
Cleone	618 (2011)	31.1km

Mindat Locality ID:

3502

Long-form identifier:

mindat:1:2:3502:9

GUID (UUID V4):

Other/historical names associated with this locality:

"Longvale"; "Longvale Quarry"; Unnamed Howieite-Deerite-Zussmanite occurrence [1]

A road metal quarry located in sec. 6, T20N, R14W (MD), about 5 miles (ca. 8 km) S of Laytonville.

Specimens are commonly labelled as being from "Longvale" or "Longvale Quarry".

Mineralization is in blueschist metasediments of the Franciscan Formation.
A reported mineral occurrence located in sec. 6, T20N, R14W, MDM, 7.1 km (4.4 miles) NNW of Longvale and 5.4 miles S of Laytonville on highway 101, on land of undetermined ownership. NOTE: MRDS database stated accuracy for this locality is 5,000 meters.

Mineralization is associated with Tertiary-Cretaceous Coastal Belt Rocks and/or rocks of the Franciscan Complex, unit 1 (Coast Ranges). Howieite occurs in radiating clusters of bladed, black crystals. Deerite, a black mineral occurs in somewhat felted layers of sub-parallel, needlelike crystals. Zussmanite, a green mineral occurs as tiny tabular crystals or grains disseminated in quartz and stilpnomelane, all in quartz-rich rocks derived by metamorphism of chert.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Aggregates

ⓘ Mineral specimens

Mineral List

32 valid minerals. 3 (TL) - type locality of valid minerals.

Rock Types Recorded

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ 'Blueschist'

Detailed Mineral List:

ⓘ Aegirine

Formula: NaFe³⁺Si₂O₆

Habit: Stumpy, prismatic; aggregates of radiating needles.

Colour: Yellowish green

References:

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 506

Onucki, H. and Ernst, W.G. (1969) Coexisting sodic amphiboles and sodic pyroxenes from blueschist facies metamorphic rocks. Mineralogical Association of America Special Paper 2: 245

Muir Wood, Robert (1979) The iron-rich blueschist facies minerals: 2. Howieite. Mineralogical Magazine, 43 (327) 363-370 doi:10.1180/minmag.1979.043.327.08

Muir Wood, Robert (1982) The Laytonville Quarry (Mendocino County California) exotic block: iron-rich blueschist-facies subduction-zone metamorphism. Mineralogical Magazine, 45 (337) 87-99 doi:10.1180/minmag.1982.045.337.10

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

ⓘ Aegirine var. Vanadium-bearing Aegirine

Formula: Na(Fe³⁺,V³⁺)Si₂O₆

References:

Deer, W. A., Howie, R.A. & Zussman, J. (1997) Rock-Forming Minerals: Single-chain Silicates, Volume 2A. Geological Society of London, 1997. 668p. (p.495)

ⓘ Albite

Formula: Na(AlSi₃O₈)

References:

ⓘ Almandine

Formula: Fe²⁺₃Al₂(SiO₄)₃

References:

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃A

References:

Muir Wood, Robert (1979) The iron-rich blueschist facies minerals: 2. Howieite. Mineralogical Magazine, 43 (327) 363-370 doi:10.1180/minmag.1979.043.327.08

ⓘ Aragonite

Formula: CaCO₃

References:

ⓘ Calcite

Formula: CaCO₃

References:

ⓘ Calderite

Formula: Mn²⁺₃Fe³⁺₂(SiO₄)₃

References:

Gaines, Richard V.; Skinner, H. Catherine W.; Foord, Eugene E.; Mason, Brian; Rosenzweig, Abraham; King, Vandall T. (1997) Dana's New Mineralogy (8th ed.). Wiley-Interscience. 1872 pp.

ⓘ Chalcopyrite

Formula: CuFeS₂

References:

ⓘ 'Chlorite Group'

References:

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 503

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

ⓘ Clinozoisite

Formula: (CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)

Description: Forms small, thin lenses in metabasalt.

References:

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 503

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

ⓘ 'Crossite'

Habit: Prismatic

Colour: Dark bluish black

References:

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 503, 506

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

ⓘ Deerite (TL)

Formula: Fe²⁺₆Fe³⁺₃(Si₆O₁₇)O₃(OH)₅

Type Locality:

References:

Agrell, S.O. (1964), Deerite, howieite, and zussmanite, three new minerals from the Franciscan of the Laytonville district, Mendocino County, California (title only), Am. Min.: 49.

Anonymous (1964), Three new minerals from California (deerite, howieite, and zussmanite): California Division of Mines and Geology, Mineral Information Service: 17: 138

Muir Wood, Robert (1979) The iron-rich blueschist facies minerals: 2. Howieite. Mineralogical Magazine, 43 (327) 363-370 doi:10.1180/minmag.1979.043.327.08

USGS MRDS database (2005), loc. file ID #10286314 & 10031493.

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

References:

Muir Wood, Robert (1979) The iron-rich blueschist facies minerals: 2. Howieite. Mineralogical Magazine, 43 (327) 363-370 doi:10.1180/minmag.1979.043.327.08

ⓘ Glaucophane

Formula: ◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂

Habit: Prismatic

Description: Occurs as small interlocking prismatic crystals from 0.2 to 1.5mm.Occurs as glaucophane schist.

References:

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 503, 506

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 70.

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

ⓘ Graphite

Formula: C

References:

ⓘ Grunerite

Formula: ◻Fe²⁺₂Fe²⁺₅(Si₈O₂₂)(OH)₂

Habit: Fibrous and silky crystals

Colour: Brown

References:

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 506

Muir Wood, Robert (1979) The iron-rich blueschist facies minerals: 2. Howieite. Mineralogical Magazine, 43 (327) 363-370 doi:10.1180/minmag.1979.043.327.08

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

ⓘ Howieite (TL)

Formula: Na(Fe²⁺,Fe³⁺,Al,Mg)₁₂(Si₆O₁₇)₂(O,OH)₁₀

Type Locality:

References:

Agrell, S.O. (1964), Deerite, howieite, and zussmanite, three new minerals from the Franciscan of the Laytonville district, Mendocino County, California (title only), Am. Min.: 49.

Anonymous (1964), Three new minerals from California (deerite, howieite, and zussmanite): California Division of Mines and Geology, Mineral Information Service: 17: 138

Muir Wood, Robert (1979) The iron-rich blueschist facies minerals: 2. Howieite. Mineralogical Magazine, 43 (327) 363-370 doi:10.1180/minmag.1979.043.327.08

CM 28 (1990), 855

HB2/1 (1995)

USGS MRDS database (2005), loc. file ID #10286314 & 10031493.

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

References:

ⓘ Jadeite

Formula: Na(Al,Fe³⁺)Si₂O₆

References:

Onucki, H. and Ernst, W.G. (1969) Coexisting sodic amphiboles and sodic pyroxenes from blueschist facies metamorphic rocks. Mineralogical Association of America Special Paper 2: 245

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.pp.390-391

ⓘ Kutnohorite

Formula: CaMn²⁺(CO₃)₂

Description: Ferroan variety. Occurs as granular material.

References:

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 506

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

ⓘ Lawsonite

Formula: CaAl₂(Si₂O₇)(OH)₂ · H₂O

Habit: Prismatic

Description: Crystals to 1.5 mm in metabasalt.

References:

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 503

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 70.

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

ⓘ Magnesio-riebeckite

Formula: ◻Na₂(Mg₃Fe³⁺₂)(Si₈O₂₂)(OH)₂

References:

Onucki, H. and Ernst, W.G. (1969) Coexisting sodic amphiboles and sodic pyroxenes from blueschist facies metamorphic rocks. Mineralogical Association of America Special Paper 2: 244

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

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

References:

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Habit: Small, platelike, comprising layers

Colour: Pale green

Description: Crystal layers from a few mm's to about 5 cm thick.

References:

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 503, 506

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

ⓘ Muscovite var. Phengite

Formula: KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂

Habit: Small, platelike, comprising layers

Colour: Pale green

Description: Crystal layers from a few mm's to about 5 cm thick.

References:

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 503, 506

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

ⓘ Pumpellyite-(Mg)

Formula: Ca₂MgAl₂[Si₂O₆OH][SiO₄](OH)₂(OH)

References:

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 503

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

ⓘ Pyrite

Formula: FeS₂

Description: Occurs as individual crystals 1 mm to 1,5 cm.

References:

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 506

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

ⓘ Quartz

Formula: SiO₂

References:

Anonymous (1964), Three new minerals from California (deerite, howieite, and zussmanite): California Division of Mines and Geology, Mineral Information Service: 17: 138

Muir Wood, Robert (1979) The iron-rich blueschist facies minerals: 2. Howieite. Mineralogical Magazine, 43 (327) 363-370 doi:10.1180/minmag.1979.043.327.08

USGS MRDS database (2005), loc. file ID #10286314 & 10031493.

ⓘ Riebeckite

Formula: ◻Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂

Habit: Prismatic

Colour: Bluish black

Description: Crystals to 1 cm & 2 cm wide.Occurs as patches of prismatic crystals in schist.

References:

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 503, 506

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 70.

Muir Wood, Robert (1979) The iron-rich blueschist facies minerals: 2. Howieite. Mineralogical Magazine, 43 (327) 363-370 doi:10.1180/minmag.1979.043.327.08

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

ⓘ Rutile

Formula: TiO₂

References:

ⓘ Siderite

Formula: FeCO₃

References:

Muir Wood, Robert (1979) The iron-rich blueschist facies minerals: 2. Howieite. Mineralogical Magazine, 43 (327) 363-370 doi:10.1180/minmag.1979.043.327.08

ⓘ Siderite var. Manganese-bearing Siderite

Formula: (Fe,Mn)CO₃

Habit: Rhombic

Description: Occurs as small rhombic crystals.

References:

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 506

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

ⓘ Spessartine

Formula: Mn²⁺₃Al₂(SiO₄)₃

Colour: Orange to orange-red

References:

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 503

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

ⓘ Stilpnomelane

Formula: K₄Fe²⁺₄₈[Si₆₄Al₈]O₁₆₄(OH)₅₂ · nH₂O

Description: Individual crystals from a few mm's to about 1 cm.

References:

Anonymous (1964), Three new minerals from California (deerite, howieite, and zussmanite): California Division of Mines and Geology, Mineral Information Service: 17: 138

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 506

Rice, S.J. (1966) A new mineral locality. California Division of Mines and Geology Mineral Information Service: 19: 7

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 70.

Onucki, H. and Ernst, W.G. (1969) Coexisting sodic amphiboles and sodic pyroxenes from blueschist facies metamorphic rocks. Mineralogical Association of America Special Paper 2: 242

Muir Wood, Robert (1979) The iron-rich blueschist facies minerals: 2. Howieite. Mineralogical Magazine, 43 (327) 363-370 doi:10.1180/minmag.1979.043.327.08

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

USGS MRDS database (2005), loc. file ID #10286314 & 10031493.

ⓘ Stilpnomelane var. Ekmanite

Formula: K₄(Fe²⁺,Mn)₄₈[Si₆₄Al₈]O₁₆₆₄(OH)₅₂ · nH₂O

References:

Muir Wood, Robert (1979) The iron-rich blueschist facies minerals: 2. Howieite. Mineralogical Magazine, 43 (327) 363-370 doi:10.1180/minmag.1979.043.327.08

ⓘ Stilpnomelane var. Ferristilpnomelane

Formula: K(Fe³⁺,Mg,Fe²⁺)₈(Si,Al)₁₂(O,OH)₂₇

Habit: Plumose and interlaminated aggregates.

References:

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 506

Rice, S.J. (1966) A new mineral locality. California Division of Mines and Geology Mineral Information Service: 19: 7

Onucki, H. and Ernst, W.G. (1969) Coexisting sodic amphiboles and sodic pyroxenes from blueschist facies metamorphic rocks. Mineralogical Association of America Special Paper 2: 242

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

ⓘ Talc

Formula: Mg₃Si₄O₁₀(OH)₂

References:

ⓘ Titanite

Formula: CaTiO(SiO₄)

References:

ⓘ Tremolite

Formula: ◻Ca₂Mg₅(Si₈O₂₂)(OH)₂

References:

ⓘ Zussmanite (TL)

Formula: K(Fe,Mg,Mn)₁₃(Si,Al)₁₈O₄₂(OH)₁₄

Type Locality:

References:

Agrell, S.O. (1964), Deerite, howieite, and zussmanite, three new minerals from the Franciscan of the Laytonville district, Mendocino County, California (title only), Am. Min.: 49.

Anonymous (1964), Three new minerals from California (deerite, howieite, and zussmanite): California Division of Mines and Geology, Mineral Information Service: 17: 138

Muir Wood, Robert (1979) The iron-rich blueschist facies minerals: 2. Howieite. Mineralogical Magazine, 43 (327) 363-370 doi:10.1180/minmag.1979.043.327.08

MM 43 (1980), 605

HB2/2 (1995).

USGS MRDS database (2005), loc. file ID #10286314 & 10031493.

Gallery:

Na(AlSi₃O₈)ⓘ Albite

Albite, etc.

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Albite, etc.

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Albite, etc.

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Fe²⁺₃Al₂(SiO₄)₃ⓘ Almandine

Almandine, etc.

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Almandine, etc.

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Almandine, etc.

Laytonville Quarry, Laytonville, Coastal Range, California, USA

◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂ⓘ Glaucophane

Glaucophane

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Glaucophane

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Glaucophane

Laytonville Quarry, Laytonville, Coastal Range, California, USA

◻Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂ⓘ Riebeckite

Riebeckite, etc.

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Riebeckite, etc.

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Riebeckite, etc.

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Mn²⁺₃Al₂(SiO₄)₃ⓘ Spessartine

Spessartine

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Spessartine

Laytonville Quarry, Laytonville, Coastal Range, California, USA

Spessartine

Laytonville Quarry, Laytonville, Coastal Range, California, USA

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Graphite	1.CB.05a	C
Group 2 - Sulphides and Sulfosalts
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Rutile	4.DB.05	TiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Siderite	5.AB.05	FeCO₃
ⓘ	var. Manganese-bearing Siderite	5.AB.05	(Fe,Mn)CO₃
ⓘ	Kutnohorite	5.AB.10	CaMn²⁺(CO₃)₂
ⓘ	Aragonite	5.AB.15	CaCO₃
Group 9 - Silicates
ⓘ	Almandine	9.AD.25	Fe²⁺₃Al₂(SiO₄)₃
ⓘ	Calderite	9.AD.25	Mn²⁺₃Fe³⁺₂(SiO₄)₃
ⓘ	Spessartine	9.AD.25	Mn²⁺₃Al₂(SiO₄)₃
ⓘ	Titanite	9.AG.15	CaTiO(SiO₄)
ⓘ	Lawsonite	9.BE.05	CaAl₂(Si₂O₇)(OH)₂ · H₂O
ⓘ	Clinozoisite	9.BG.05a	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
ⓘ	Pumpellyite-(Mg)	9.BG.20	Ca₂MgAl₂[Si₂O₆OH][SiO₄](OH)₂(OH)
ⓘ	Aegirine	9.DA.25	NaFe³⁺Si₂O₆
ⓘ	Jadeite	9.DA.25	Na(Al,Fe³⁺)Si₂O₆
ⓘ	Aegirine var. Vanadium-bearing Aegirine	9.DA.25	Na(Fe³⁺,V³⁺)Si₂O₆
ⓘ	Grunerite	9.DE.05	◻Fe²⁺₂Fe²⁺₅(Si₈O₂₂)(OH)₂
ⓘ	Tremolite	9.DE.10	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
ⓘ	Glaucophane	9.DE.25	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
ⓘ	Magnesio-riebeckite	9.DE.25	◻Na₂(Mg₃Fe³⁺₂)(Si₈O₂₂)(OH)₂
ⓘ	Riebeckite	9.DE.25	◻Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂
ⓘ	Deerite (TL)	9.DH.60	Fe²⁺₆Fe³⁺₃(Si₆O₁₇)O₃(OH)₅
ⓘ	Howieite (TL)	9.DH.65	Na(Fe²⁺,Fe³⁺,Al,Mg)₁₂(Si₆O₁₇)₂(O,OH)₁₀
ⓘ	Talc	9.EC.05	Mg₃Si₄O₁₀(OH)₂
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var. Phengite	9.EC.15	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
ⓘ	Zussmanite (TL)	9.EG.35	K(Fe,Mg,Mn)₁₃(Si,Al)₁₈O₄₂(OH)₁₄
ⓘ	Stilpnomelane	9.EG.40	K₄Fe²⁺₄₈[Si₆₄Al₈]O₁₆₄(OH)₅₂ · nH₂O
ⓘ	var. Ekmanite	9.EG.40	K₄(Fe²⁺,Mn)₄₈[Si₆₄Al₈]O₁₆₆₄(OH)₅₂ · nH₂O
ⓘ	var. Ferristilpnomelane	9.EG.40	K(Fe³⁺,Mg,Fe²⁺)₈(Si,Al)₁₂(O,OH)₂₇
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
Unclassified
ⓘ	'Chlorite Group'	-
ⓘ	'Crossite'	-
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	'Apatite'	-	Ca₅(PO₄)₃A

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
H	ⓘ Deerite	Fe₆²⁺Fe₃³⁺(Si₆O₁₇)O₃(OH)₅
H	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
H	ⓘ Grunerite	◻Fe₂²⁺Fe₅²⁺(Si₈O₂₂)(OH)₂
H	ⓘ Howieite	Na(Fe²⁺,Fe³⁺,Al,Mg)₁₂(Si₆O₁₇)₂(O,OH)₁₀
H	ⓘ Lawsonite	CaAl₂(Si₂O₇)(OH)₂ · H₂O
H	ⓘ Magnesio-riebeckite	◻Na₂(Mg₃Fe₂³⁺)(Si₈O₂₂)(OH)₂
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
H	ⓘ Pumpellyite-(Mg)	Ca₂MgAl₂[Si₂O₆OH][SiO₄](OH)₂(OH)
H	ⓘ Riebeckite	◻Na₂(Fe₃²⁺Fe₂³⁺)Si₈O₂₂(OH)₂
H	ⓘ Stilpnomelane	K₄Fe₄₈²⁺[Si₆₄Al₈]O₁₆₄(OH)₅₂ · nH₂O
H	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
H	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
H	ⓘ Zussmanite	K(Fe,Mg,Mn)₁₃(Si,Al)₁₈O₄₂(OH)₁₄
H	ⓘ Stilpnomelane var. Ekmanite	K₄(Fe²⁺,Mn)₄₈[Si₆₄Al₈]O₁₆₆₄(OH)₅₂ · nH₂O
H	ⓘ Stilpnomelane var. Ferristilpnomelane	K(Fe³⁺,Mg,Fe²⁺)₈(Si,Al)₁₂(O,OH)₂₇
C	Carbon
C	ⓘ Aragonite	CaCO₃
C	ⓘ Calcite	CaCO₃
C	ⓘ Graphite	C
C	ⓘ Kutnohorite	CaMn²⁺(CO₃)₂
C	ⓘ Siderite	FeCO₃
C	ⓘ Siderite var. Manganese-bearing Siderite	(Fe,Mn)CO₃
O	Oxygen
O	ⓘ Aegirine	NaFe³⁺Si₂O₆
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Aragonite	CaCO₃
O	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
O	ⓘ Calcite	CaCO₃
O	ⓘ Calderite	Mn₃²⁺Fe₂³⁺(SiO₄)₃
O	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
O	ⓘ Deerite	Fe₆²⁺Fe₃³⁺(Si₆O₁₇)O₃(OH)₅
O	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
O	ⓘ Grunerite	◻Fe₂²⁺Fe₅²⁺(Si₈O₂₂)(OH)₂
O	ⓘ Howieite	Na(Fe²⁺,Fe³⁺,Al,Mg)₁₂(Si₆O₁₇)₂(O,OH)₁₀
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Jadeite	Na(Al,Fe³⁺)Si₂O₆
O	ⓘ Kutnohorite	CaMn²⁺(CO₃)₂
O	ⓘ Lawsonite	CaAl₂(Si₂O₇)(OH)₂ · H₂O
O	ⓘ Magnesio-riebeckite	◻Na₂(Mg₃Fe₂³⁺)(Si₈O₂₂)(OH)₂
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
O	ⓘ Pumpellyite-(Mg)	Ca₂MgAl₂[Si₂O₆OH][SiO₄](OH)₂(OH)
O	ⓘ Quartz	SiO₂
O	ⓘ Riebeckite	◻Na₂(Fe₃²⁺Fe₂³⁺)Si₈O₂₂(OH)₂
O	ⓘ Rutile	TiO₂
O	ⓘ Siderite	FeCO₃
O	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
O	ⓘ Stilpnomelane	K₄Fe₄₈²⁺[Si₆₄Al₈]O₁₆₄(OH)₅₂ · nH₂O
O	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
O	ⓘ Titanite	CaTiO(SiO₄)
O	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
O	ⓘ Aegirine var. Vanadium-bearing Aegirine	Na(Fe³⁺,V³⁺)Si₂O₆
O	ⓘ Zussmanite	K(Fe,Mg,Mn)₁₃(Si,Al)₁₈O₄₂(OH)₁₄
O	ⓘ Stilpnomelane var. Ekmanite	K₄(Fe²⁺,Mn)₄₈[Si₆₄Al₈]O₁₆₆₄(OH)₅₂ · nH₂O
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
O	ⓘ Siderite var. Manganese-bearing Siderite	(Fe,Mn)CO₃
O	ⓘ Stilpnomelane var. Ferristilpnomelane	K(Fe³⁺,Mg,Fe²⁺)₈(Si,Al)₁₂(O,OH)₂₇
O	ⓘ Apatite	Ca₅(PO₄)₃A
Na	Sodium
Na	ⓘ Aegirine	NaFe³⁺Si₂O₆
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
Na	ⓘ Howieite	Na(Fe²⁺,Fe³⁺,Al,Mg)₁₂(Si₆O₁₇)₂(O,OH)₁₀
Na	ⓘ Jadeite	Na(Al,Fe³⁺)Si₂O₆
Na	ⓘ Magnesio-riebeckite	◻Na₂(Mg₃Fe₂³⁺)(Si₈O₂₂)(OH)₂
Na	ⓘ Riebeckite	◻Na₂(Fe₃²⁺Fe₂³⁺)Si₈O₂₂(OH)₂
Na	ⓘ Aegirine var. Vanadium-bearing Aegirine	Na(Fe³⁺,V³⁺)Si₂O₆
Mg	Magnesium
Mg	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
Mg	ⓘ Howieite	Na(Fe²⁺,Fe³⁺,Al,Mg)₁₂(Si₆O₁₇)₂(O,OH)₁₀
Mg	ⓘ Magnesio-riebeckite	◻Na₂(Mg₃Fe₂³⁺)(Si₈O₂₂)(OH)₂
Mg	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
Mg	ⓘ Pumpellyite-(Mg)	Ca₂MgAl₂[Si₂O₆OH][SiO₄](OH)₂(OH)
Mg	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
Mg	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Mg	ⓘ Zussmanite	K(Fe,Mg,Mn)₁₃(Si,Al)₁₈O₄₂(OH)₁₄
Mg	ⓘ Stilpnomelane var. Ferristilpnomelane	K(Fe³⁺,Mg,Fe²⁺)₈(Si,Al)₁₂(O,OH)₂₇
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Al	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
Al	ⓘ Howieite	Na(Fe²⁺,Fe³⁺,Al,Mg)₁₂(Si₆O₁₇)₂(O,OH)₁₀
Al	ⓘ Jadeite	Na(Al,Fe³⁺)Si₂O₆
Al	ⓘ Lawsonite	CaAl₂(Si₂O₇)(OH)₂ · H₂O
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
Al	ⓘ Pumpellyite-(Mg)	Ca₂MgAl₂[Si₂O₆OH][SiO₄](OH)₂(OH)
Al	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
Al	ⓘ Stilpnomelane	K₄Fe₄₈²⁺[Si₆₄Al₈]O₁₆₄(OH)₅₂ · nH₂O
Al	ⓘ Zussmanite	K(Fe,Mg,Mn)₁₃(Si,Al)₁₈O₄₂(OH)₁₄
Al	ⓘ Stilpnomelane var. Ekmanite	K₄(Fe²⁺,Mn)₄₈[Si₆₄Al₈]O₁₆₆₄(OH)₅₂ · nH₂O
Al	ⓘ Stilpnomelane var. Ferristilpnomelane	K(Fe³⁺,Mg,Fe²⁺)₈(Si,Al)₁₂(O,OH)₂₇
Si	Silicon
Si	ⓘ Aegirine	NaFe³⁺Si₂O₆
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Si	ⓘ Calderite	Mn₃²⁺Fe₂³⁺(SiO₄)₃
Si	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Deerite	Fe₆²⁺Fe₃³⁺(Si₆O₁₇)O₃(OH)₅
Si	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
Si	ⓘ Grunerite	◻Fe₂²⁺Fe₅²⁺(Si₈O₂₂)(OH)₂
Si	ⓘ Howieite	Na(Fe²⁺,Fe³⁺,Al,Mg)₁₂(Si₆O₁₇)₂(O,OH)₁₀
Si	ⓘ Jadeite	Na(Al,Fe³⁺)Si₂O₆
Si	ⓘ Lawsonite	CaAl₂(Si₂O₇)(OH)₂ · H₂O
Si	ⓘ Magnesio-riebeckite	◻Na₂(Mg₃Fe₂³⁺)(Si₈O₂₂)(OH)₂
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
Si	ⓘ Pumpellyite-(Mg)	Ca₂MgAl₂[Si₂O₆OH][SiO₄](OH)₂(OH)
Si	ⓘ Quartz	SiO₂
Si	ⓘ Riebeckite	◻Na₂(Fe₃²⁺Fe₂³⁺)Si₈O₂₂(OH)₂
Si	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
Si	ⓘ Stilpnomelane	K₄Fe₄₈²⁺[Si₆₄Al₈]O₁₆₄(OH)₅₂ · nH₂O
Si	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
Si	ⓘ Titanite	CaTiO(SiO₄)
Si	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Si	ⓘ Aegirine var. Vanadium-bearing Aegirine	Na(Fe³⁺,V³⁺)Si₂O₆
Si	ⓘ Zussmanite	K(Fe,Mg,Mn)₁₃(Si,Al)₁₈O₄₂(OH)₁₄
Si	ⓘ Stilpnomelane var. Ekmanite	K₄(Fe²⁺,Mn)₄₈[Si₆₄Al₈]O₁₆₆₄(OH)₅₂ · nH₂O
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
Si	ⓘ Stilpnomelane var. Ferristilpnomelane	K(Fe³⁺,Mg,Fe²⁺)₈(Si,Al)₁₂(O,OH)₂₇
P	Phosphorus
P	ⓘ Apatite	Ca₅(PO₄)₃A
S	Sulfur
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Pyrite	FeS₂
K	Potassium
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
K	ⓘ Stilpnomelane	K₄Fe₄₈²⁺[Si₆₄Al₈]O₁₆₄(OH)₅₂ · nH₂O
K	ⓘ Zussmanite	K(Fe,Mg,Mn)₁₃(Si,Al)₁₈O₄₂(OH)₁₄
K	ⓘ Stilpnomelane var. Ekmanite	K₄(Fe²⁺,Mn)₄₈[Si₆₄Al₈]O₁₆₆₄(OH)₅₂ · nH₂O
K	ⓘ Stilpnomelane var. Ferristilpnomelane	K(Fe³⁺,Mg,Fe²⁺)₈(Si,Al)₁₂(O,OH)₂₇
Ca	Calcium
Ca	ⓘ Aragonite	CaCO₃
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Kutnohorite	CaMn²⁺(CO₃)₂
Ca	ⓘ Lawsonite	CaAl₂(Si₂O₇)(OH)₂ · H₂O
Ca	ⓘ Pumpellyite-(Mg)	Ca₂MgAl₂[Si₂O₆OH][SiO₄](OH)₂(OH)
Ca	ⓘ Titanite	CaTiO(SiO₄)
Ca	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Ca	ⓘ Apatite	Ca₅(PO₄)₃A
Ti	Titanium
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Rutile	TiO₂
Ti	ⓘ Titanite	CaTiO(SiO₄)
V	Vanadium
V	ⓘ Aegirine var. Vanadium-bearing Aegirine	Na(Fe³⁺,V³⁺)Si₂O₆
Mn	Manganese
Mn	ⓘ Calderite	Mn₃²⁺Fe₂³⁺(SiO₄)₃
Mn	ⓘ Kutnohorite	CaMn²⁺(CO₃)₂
Mn	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
Mn	ⓘ Zussmanite	K(Fe,Mg,Mn)₁₃(Si,Al)₁₈O₄₂(OH)₁₄
Mn	ⓘ Stilpnomelane var. Ekmanite	K₄(Fe²⁺,Mn)₄₈[Si₆₄Al₈]O₁₆₆₄(OH)₅₂ · nH₂O
Mn	ⓘ Siderite var. Manganese-bearing Siderite	(Fe,Mn)CO₃
Fe	Iron
Fe	ⓘ Aegirine	NaFe³⁺Si₂O₆
Fe	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Fe	ⓘ Calderite	Mn₃²⁺Fe₂³⁺(SiO₄)₃
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Deerite	Fe₆²⁺Fe₃³⁺(Si₆O₁₇)O₃(OH)₅
Fe	ⓘ Grunerite	◻Fe₂²⁺Fe₅²⁺(Si₈O₂₂)(OH)₂
Fe	ⓘ Howieite	Na(Fe²⁺,Fe³⁺,Al,Mg)₁₂(Si₆O₁₇)₂(O,OH)₁₀
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Jadeite	Na(Al,Fe³⁺)Si₂O₆
Fe	ⓘ Magnesio-riebeckite	◻Na₂(Mg₃Fe₂³⁺)(Si₈O₂₂)(OH)₂
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Riebeckite	◻Na₂(Fe₃²⁺Fe₂³⁺)Si₈O₂₂(OH)₂
Fe	ⓘ Siderite	FeCO₃
Fe	ⓘ Stilpnomelane	K₄Fe₄₈²⁺[Si₆₄Al₈]O₁₆₄(OH)₅₂ · nH₂O
Fe	ⓘ Aegirine var. Vanadium-bearing Aegirine	Na(Fe³⁺,V³⁺)Si₂O₆
Fe	ⓘ Zussmanite	K(Fe,Mg,Mn)₁₃(Si,Al)₁₈O₄₂(OH)₁₄
Fe	ⓘ Stilpnomelane var. Ekmanite	K₄(Fe²⁺,Mn)₄₈[Si₆₄Al₈]O₁₆₆₄(OH)₅₂ · nH₂O
Fe	ⓘ Siderite var. Manganese-bearing Siderite	(Fe,Mn)CO₃
Fe	ⓘ Stilpnomelane var. Ferristilpnomelane	K(Fe³⁺,Mg,Fe²⁺)₈(Si,Al)₁₂(O,OH)₂₇
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂

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Link to USGS MRDS:	10286314

Other Regions, Features and Areas containing this locality

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- Coastal RangeMountain Range

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References

Minerals Availability System (MAS) file ID #0060450105.

https://en.wikipedia.org/wiki/Franciscan_Complex

Agrell, S.O. (1964) Deerite, howieite, and zussmanite, three new minerals from the Franciscan of the Laytonville district, Mendocino County, California (title only), American Mineralogist: 49: 1507.

Anonymous (1964), Three new minerals from California (deerite, howieite, and zussmanite): California Division of Mines and Geology, Mineral Information Service: 17: 138

Agrell, S.O., M.G. Brown & McKie (1965) Deerite, howieite and zussmanite, three new minerals from the Franciscan of the Laytonville district, Mendocino County, California: American Mineralogist: 50: 278.

Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 503, 506

Murdoch, Joseph & Robert W. Webb (1966) Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 70, 167, 220, 239, 353, 394, 493.

Rice, S.J. (1966) A new mineral locality. California Division of Mines and Geology Mineral Information Service: 19: 7

Onucki, H. and Ernst, W.G. (1969) Coexisting sodic amphiboles and sodic pyroxenes from blueschist facies metamorphic rocks. Mineralogical Association of America Special Paper 2: 242, 245.

Muir Wood, Robert (1979) The iron-rich blueschist facies minerals: 2. Howieite. Mineralogical Magazine, 43 (327) 363-370 doi:10.1180/minmag.1979.043.327.08

Muir Wood, R. (1979) The iron-rich blueschist facies minerals: I. Deerite. Mineralogical Magazine, 43 (326) 251-259 doi:10.1180/minmag.1979.043.326.07

Muir Wood, Robert (1980) The iron-rich blueschist-facies minerals: 3. Zussmanite and related minerals. Mineralogical Magazine, 43 (329) 605-614 doi:10.1180/minmag.1980.043.329.07

Lattard, Dominique, Schreyer, Werner (1981) Experimental results bearing on the stability of the blueschist-facies minerals deerite, howieite and zussmanite, and their petrological significance. Bulletin de Minéralogie, 104 (4) 431-440 doi:10.3406/bulmi.1981.7490

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

Deer, W. A., Howie, R.A. & Zussman, J. (1997) Rock-Forming Minerals: Single-chain Silicates, Volume 2A. Geological Society of London, 1997. 668p.: 495.

Gaines, Richard V.; Skinner, H. Catherine W.; Foord, Eugene E.; Mason, Brian; Rosenzweig, Abraham; King, Vandall T. (1997) Dana's New Mineralogy (8th ed.). Wiley-Interscience. 1872 pp.

USGS MRDS database (2005), loc. file ID #10286314 & 10031493.

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