Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Hydrohalloysite from
Ray Mine, Scott Mountain, Pinal County, Arizona, USA


Locality type:Mine
Classification
Species:'Hydrohalloysite' (not an IMA approved species)
Formula:Al2Si2O5(OH)4 · 2H2O
Comments:Occurs in hydrothermally altered porphyry stock; also as veinlets & coating fracture surfaces; often exhibits colloform texture & may be intergrown with chrysocolla.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hydrohalloysite data
Locality Data:Click here to view Ray Mine, Scott Mountain, Pinal County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:248398
Long-form Identifier:1:3:248398:6
GUID (UUID V4):0
Nearest other occurrences of Hydrohalloysite
28.9km (17.9 miles) ⓘCastle Dome Mine (Castle Dome deposit; Pinto Valley deposit), Castle Dome area (Castle Dome Mine area; Pinto Valley Mine area), Inspiration, Miami-Inspiration Mining District, Gila County, Arizona, USA
96.1km (59.7 miles) ⓘSilver Bell Mine, Mineral Mountain, Silver Bell Mining District, Silver Bell Mountains, Pima County, Arizona, USA
References
Schwartz, George Melvin (1934) Paragenesis of the oxidized ores of copper. Economic Geology, 29 (1) 55-75 doi:10.2113/gsecongeo.29.1.55
Schwartz, George Melvin (1947) Hydrothermal alteration in the "porphyry copper" deposits. Economic Geology, 42 (4) 319-352 doi:10.2113/gsecongeo.42.4.319
Stephens, J.D. & R.A. Metz (1967), The occurrence of copper-bearing clay minerals in oxidized portions of the disseminated copper deposit at Ray, AZ (abstract), Econ.Geol.: 62: 876-877
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.p.213
 
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