David Aldridge's Gallery

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Acanthite : Ag2S, Quartz : SiO2
	Alice Mine (Alice Pit), Walkerville, Butte District, Silver Bow Co., Montana, USA A rare specimen indeed, a small (about 5mm) crystal of black acanthite on white quartz "silver ore" from the Alice Mine. The Acanthite is on the far right side of the photograph, in the white vug of quartz. Ex-Wilmer P. Walker Collection (Specimen #190). About 12x9x5cm in size. In the collection of the photographer.
© 07 David Aldridge	Photo ID: 114648    View Count: 68
Acanthite : Ag2S, Quartz : SiO2
	Bullion Mine, Lady Franklin Camp, Kingston District, Sierra Co., New Mexico, USA VERY rare specimen collected in 1894!!!! This specimen consists of metallic, dark-grey acanthite in massive quartz. Specimen is about 7cm across In the collection of the photographer.
© 07 David Aldridge	Photo ID: 141132    View Count: 73
Adamite : Zn2(AsO4)(OH), Limonite : FeO(OH)·nH2O
	Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico A classic Ojuela Mine specimen of cuprian adamite. The fan shape in the middle of the specimen is well-known from the Ojuela Mine, but now quite rare. The fan of adamite is about 1cm across. In the collection of the photographer.
© David Aldridge 06	Photo ID: 84081    View Count: 113
Adamite : Zn2(AsO4)(OH), Plattnerite : PbO2
	Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico Beautiful, large adamite on shiny, small plattnerite. Specimen is 6cm long. In the collection of the photographer.
© David Aldridge	Photo ID: 93499    View Count: 104
Anatase : TiO2, Zircon : Zr[SiO4]
	Badu Hill pegmatite, Llano Co., Texas, USA A nice crystal of Uranian-Anatase PS after Titanite. A small, brown crystal of Zircon (var. Cyrtolite) is in the center of the crystal. Self collected in March of 2006 by David Aldridge. Specimen is about 3x1.5x1cm in size.
© 07 David Aldridge	Photo ID: 97430    View Count: 85
Anatase : TiO2
	Badu Hill pegmatite, Llano Co., Texas, USA A somewhat flat crystal of Uranian Anatase PS of Titanite. Self-Collected in March 2006 at the Badu Hill pegmatite. In the collection of the photographer. Specimen is about 3x2x1.5cm in size.
© 07 David Aldridge	Photo ID: 97431    View Count: 78
Annabergite : Ni3(AsO4)2·8H2O
	Lovelock Mine, Bolivia, Cottonwood Canyon, Table Mountain District, Churchill Co., Nevada, USA A nice specimen of Magnesian-Annabergite ("Cabrerite"). About 6x5x3xm in size. Ex-David Shannon specimen.
© 07 David Aldridge	Photo ID: 109953    View Count: 59
Autunite : Ca(UO2)2(PO4)2·11H2O
	Dahl Mine (Dahl Uranium Mine; Lehmbecker lease), Mount Kit Carson, Spokane Co., Washington, USA A small cluster of autunite crystals. The photograph was taken under a LW-UV light, showing the brilliant fluorescence of autunite. Specimen is about 2cm across. In the collection of the photographer.
© David Aldridge 06	Photo ID: 84082    View Count: 85
Baryte : BaSO4
	Kelly Mine, Magdalena District, Socorro Co., New Mexico, USA A nice crystal of Barite from the Kelly Mine. This was collected in the 1980's by Donald Slater. About 7x7x0.25cm in size. In the coll. of the photographer.
© 07 David Aldridge	Photo ID: 112365    View Count: 40
Becquerelite : Ca(UO2)6O4(OH)6 · 8H2O
	Pick's Delta Mine (Delta Mine; Pick's Mine), Delta, San Rafael District (San Rafael Swell), Emery Co., Utah, USA Ex-David Shannon, Ex-Otto Ray specimen. Yellow Becquerelite in matrix Specimen is about 6cm across. In the collection of the photographer
© 07 David Aldridge	Photo ID: 139461    View Count: 51

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