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Labradorite from
Cienega Gap area, Pima County, Arizona, USA


00511710017364556866284.jpg
Labradorite, etc.

Cienega Gap area, Pima County, Arizona, USA
00511710017364556866284.jpg
Labradorite, etc.

Cienega Gap area, Pima County, Arizona, USA
01548540017272733718784.jpg
Labradorite, etc.

Cienega Gap area, Pima County, Arizona, USA
Locality type:Area
Classification
Species:Anorthite var: Labradorite
Formula:(Ca,Na)[Al(Al,Si)Si2O8]
Comments:As phenocrysts up to 2 inches long on intrusive & flow porphyritic rocks in the Pantano Formation.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Mica Group1
Magnetite1
Serpentine Subgroup1
Data
Mineral Data:Click here to view Labradorite data
Locality Data:Click here to view Cienega Gap area, Pima County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:219241
Long-form Identifier:1:3:219241:3
GUID (UUID V4):0
References
Cooper, J.R. (1961), Turkey-track porphyry -- a possible guide for correlation of Miocene rocks in southeastern AZ, AZ Geol. Soc. Digest: 4: 17-35.
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.pp.329-330
 
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