Laboradorite occurrences, Western Los Angeles County, California, USA i
Regional Level Types
Laboradorite occurrences Group of Occurrences
Western Los Angeles County Mountain Range
California State
USA Country

Miller, William John (1934), Geology of the western San Gabriel Mountains: University of California Los Angeles Pub. Math. and Physical Sci.: 1: 15-17

Higgs, Donald Val (1954a), Anorthosite and related rocks of the western San Gabriel Mountains, southern California: Univ. Calif., Dept. Geol. Sci.: 30: 177

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 183.

ⓘ Anorthite var. Labradorite

Formula: (Ca,Na)[Al(Al,Si)Si₂O₈]

Description: Forms the principal part of anorthosite masses.

References:

Miller, William John (1934), Geology of the western San Gabriel Mountains: University of California Los Angeles Pub. Math. and Physical Sci.: 1: 15-17

Higgs, Donald Val (1954a), Anorthosite and related rocks of the western San Gabriel Mountains, southern California: Univ. Calif., Dept. Geol. Sci.: 30: 177

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 183.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
ⓘ	Anorthite	9.FA.35	Ca(Al₂Si₂O₈)
ⓘ	var. Labradorite	9.FA.35	(Ca,Na)[Al(Al,Si)Si₂O₈]

List of minerals for each chemical element

O	Oxygen
O	ⓘ Anorthite	Ca(Al₂Si₂O₈)
O	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Na	Sodium
Na	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Al	Aluminium
Al	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Al	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Si	Silicon
Si	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Si	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Ca	Calcium
Ca	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Ca	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]

Other Regions, Features and Areas containing this locality

USA

California
- San Gabriel MountainsMountain Range

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References

Miller, William John (1934), Geology of the western San Gabriel Mountains: University of California Los Angeles Pub. Math. and Physical Sci.: 1: 15-17

Higgs, Donald Val (1954a), Anorthosite and related rocks of the western San Gabriel Mountains, southern California: Univ. Calif., Dept. Geol. Sci.: 30: 177

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 183.

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