Mineral Specimen Images (A)

Andreyivanovite: FeCrP

Comments: BSE image of serpentine (gray) grain containing curvilinear arrays of andreyivanovite crystals (A) and associated florenskyite (F) lath. AmMin v93, p1296.
Location: Kaidun meteorite (South Yemen). Scale: Scale Bar 20 µm.
© American Mineralogist

Andreyivanovite: FeCrP

Comments: BSE image of serpentine (gray) grain containing curvilinear arrays of andreyivanovite crystals (A) and associated florenskyite (F) lath. AmMin v93, p1296.
Location: Kaidun meteorite (South Yemen). Scale: Scale Bar 20 µm.
© American Mineralogist

Anduoite: (Ru,Os)As2

Comments: Backscattered electron Image of euhedral anduoite crystal enclosed in chromian spinel containing lamellae of ilmenite. Image on left is large view, image on right is detailed view. (CanMin, v 39, p 596).
Location: Chromitite ore, Kapitanov deposit, Ukrainian Shield, Ukraine. Scale: See Image.
© Canadian Mineralogist

Anduoite: (Ru,Os)As2

Comments: Backscattered electron Image of euhedral anduoite crystal enclosed in chromian spinel containing lamellae of ilmenite. Image on left is large view, image on right is detailed view. (CanMin, v 39, p 596).
Location: Chromitite ore, Kapitanov deposit, Ukrainian Shield, Ukraine. Scale: See Image.
© Canadian Mineralogist

Andyrobertsite: KCdCu5(AsO4)4[As(OH)2O2]·2(H2O)

Comments: Blue andyrobertsite with blue calcioandyrobertsite on green olivenite. Holotype specimen Min Record cover.
Location: Tsumeb Mine, Tsumeb, Namibia.. Scale: Specimen 4.1 cm.
© William Pinch

Andyrobertsite: KCdCu5(AsO4)4[As(OH)2O2]·2(H2O)

Comments: Blue andyrobertsite with blue calcioandyrobertsite on green olivenite. Holotype specimen Min Record cover.
Location: Tsumeb Mine, Tsumeb, Namibia.. Scale: Specimen 4.1 cm.
© William Pinch

Angastonite: CaMgAl2(PO4)2(OH)4?7H2O

Comments: White acicular to short prismatic crystals of angastonite covering a dark matrix.
Location: Penrice quarry, Angaston, South Australia, Australia. Scale: Overall: 5.5 x 3.5 x 2 cm.
© Tom Loomis / Dakota Matrix

Angastonite: CaMgAl2(PO4)2(OH)4?7H2O

Comments: White acicular to short prismatic crystals of angastonite covering a dark matrix.
Location: Penrice quarry, Angaston, South Australia, Australia. Scale: Overall: 5.5 x 3.5 x 2 cm.
© Tom Loomis / Dakota Matrix

Angastonite: CaMgAl2(PO4)2(OH)4?7H2O

Comments: SEM image of platy, striated crystals of angastonite.
Location: Angaston, South Australia. Scale: Unknown.
© Mineralogical Magazine

Angastonite: CaMgAl2(PO4)2(OH)4?7H2O

Comments: SEM image of platy, striated crystals of angastonite.
Location: Angaston, South Australia. Scale: Unknown.
© Mineralogical Magazine

Angelaite: Cu2AgPbBiS4  
Miharaite: Cu4FePbBiS6

Comments: Image of a polished section of the ore (without analyzer): galena (ga) with numerous inclusions miharaíte (wi) and angelaíte (an). Pyrite (pi), chalcopyrite (cp). (AsocGeolArgent, v59, no 4).
Location: Angela mine, IS-type mineralization in the district springs, Chubut, Argentina. Scale: See Image.
© Revista de la Asociación Geológica Argentina

Angelaite: Cu2AgPbBiS4  
Miharaite: Cu4FePbBiS6

Comments: Image of a polished section of the ore (without analyzer): galena (ga) with numerous inclusions miharaíte (wi) and angelaíte (an). Pyrite (pi), chalcopyrite (cp). (AsocGeolArgent, v59, no 4).
Location: Angela mine, IS-type mineralization in the district springs, Chubut, Argentina. Scale: See Image.
© Revista de la Asociación Geológica Argentina

Angelellite: Fe+++4(AsO4)2O3

Comments: Back microcrystalline angelellite on matrix.
Location: Cerro Pululus Tin Mine, Jujuy, Argentina. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Angelellite: Fe+++4(AsO4)2O3

Comments: Back microcrystalline angelellite on matrix.
Location: Cerro Pululus Tin Mine, Jujuy, Argentina. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Anglesite: PbSO4

Comments: Crystalline anglesite with minor duftite. The crystal at the top of the specimen is partially doubly terminated.
Location: Tsumeb Mine, Tsumeb, Namibia. Scale: 2.7 x 2.1 cm.
© John Veevaert

Anglesite: PbSO4

Comments: Crystalline anglesite with minor duftite. The crystal at the top of the specimen is partially doubly terminated.
Location: Tsumeb Mine, Tsumeb, Namibia. Scale: 2.7 x 2.1 cm.
© John Veevaert

Anglesite: PbSO4

Comments: White anglesite crystals with dark gray posnjackite.
Location: (1st Oxidation Zone), Tsumeb, Namibia. Scale: 8.5 x 5 x 4 cm.
© John Schneider

Anglesite: PbSO4

Comments: White anglesite crystals with dark gray posnjackite.
Location: (1st Oxidation Zone), Tsumeb, Namibia. Scale: 8.5 x 5 x 4 cm.
© John Schneider

Anhydrite: CaSO4

Comments: Several terminated groups of light blue anhydrite crystals in parallel growth.
Location: Naica. Chihuahua, Mexico. Scale: 9.5 x 8 x 6 cm.
© Isaias Casanova / IC Minerals

Anhydrite: CaSO4

Comments: Several terminated groups of light blue anhydrite crystals in parallel growth.
Location: Naica. Chihuahua, Mexico. Scale: 9.5 x 8 x 6 cm.
© Isaias Casanova / IC Minerals