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McDougall Minerals is based near famous Bancroft, Ontario, at the heart of one of the best mineral regions in Canada

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's Image Gallery With 4041 Images

Metahaiweeite Image

Images:

Metahaiweeite: Ca(UO2)2Si6O15·n(H2O), n<5
Haiweeite: Ca[(UO2)2Si5O12(OH)2]·3(H2O)

Comments: Pale yellow scaly metahaiweeite coating on quartz with minute haiweeite acicular crystals.
Location: Coso Uranium Mine, Inyo County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Metaheinrichite Image

Images:

Metaheinrichite: Ba(UO2)2(AsO4)2·8(H2O)

Comments: Siliceous jasperoid with a black crust of uraninite (?) and bright canary yellow crystals of metaheinrichite crystals to 2.5mm across.
Location: White King Mine, Lakeview, Oregon, USA. Scale: Picture size 2 cm.
© John Veevaert

Metaheinrichite Image

Images:

Metaheinrichite: Ba(UO2)2(AsO4)2·8(H2O)

Comments: Very pale greenish crystals of metaheinrichite on matrix.
Location: Schmiedestollenhalde mine, Wittichen, Schenkenzell, Schwartzwald (Black Forest), Baden-Württemberg, Germany. Scale: Picture size 0.5 cm.
© Paul M. Schumacher

Metahewettite Image

Images:

Metahewettite: CaV6O16·3(H2O)

Comments: Deep red, vibrant, radial micro crystals of metahewettite to 3mm in diameter on matrix.
Location: Cactus Rat mine, Grand County, Utah. Scale: 4 x 4 x 2 cm.
© John Veevaert

Metahohmannite Image

Images:

Metahohmannite: Fe+++2[O(SO4)2]·4(H2O)
Hohmannite: Fe+++2(SO4)2(OH)2·7(H2O)

Comments: Orange opaque prismatic microcrystals of hohmannite mixed with yellow metahohmanite.
Location: Chuquicamata, Antofagasta, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Metahohmannite Image

Images:

Metahohmannite: Fe+++2[O(SO4)2]·4(H2O)

Comments: Orange-yellow earthy massive metahohmannite with orange hohmannite.
Location: Quetena, Antofagasta, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Metakottigite Image

Images:

Metakottigite: (Zn,Fe+++,Fe++)3(AsO4)2·8((H2O),OH)

Comments: Bladed crystalline sprays of metakottigite crystals on matrix.
Location: Ojuela mine, Mapimi, Durango, Mexico. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Metalodevite Image

Images:

Metalodevite: Zn(UO2)2(AsO4)2·10(H2O)

Comments: Micro crystals of pale yellow metalodevite to 1 mm.
Location: Rivieral, Lodeve, Herault, Languedoc-Roussillon, France. Scale: Specimen Size 5 x 2 x 3 cm.
© Tom Loomis / Dakota Matrix

Metamunirite Image

Images:

Metamunirite: Na2[V+++++2O6] or NaVO3

Comments: Colorless, acicular crystals of metamunirite.
Location: Burro Mine, Slick Rock District, San Miguel Co., Colorado, USA. Scale: Picture size 1.6 mm.
© Thomas Witzke / Abraxas-Verlag

Metanovacekite Image

Images:

Metanovacekite: Mg(UO2)2(AsO4)2·4-8(H2O)
Novacekite: Mg(UO2)2(AsO4)2·12(H2O)

Comments: Yellow, translucent platy novacekite/metanovacekite crystal aggregate.
Location: Rabejac Mine, Olmet, Herault, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Metanovacekite Image

Images:

Metanovacekite: Mg(UO2)2(AsO4)2·4-8(H2O)

Comments: Bright yellow crystalline metanovacekite coatings on white crystalline gypsum.
Location: Las Animas Mine, Municipio do Heuiles Serdan, Chihuahua, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Metarossite Image

Images:

Metarossite: CaV2O6·2(H2O)

Comments: Light yellow metarossite on sandstone.
Location: Burro Mine, Slick Rock District, San Miguel Co., Colorado. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Metarossite Image

Images:

Metarossite: CaV2O6·2(H2O)

Comments: Bright yellow platy crystals to about 0.5mm covering sandstone matrix.
Location: Arrowhead Claim, San Miguel Co., Colorado, USA. Scale: Picture size 1 cm.
© Tom Loomis / Dakota Matrix

Metaschoderite Image

Images:

Metaschoderite: Al2(PO4)(VO4)·6(H2O)

Comments: Orange crystalline metaschoderite crust on shale.
Location: 25 miles east of Eureka, Fish Creek Range, Eureka County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Metaschoepite Image

Images:

Metaschoepite: UO3·n(H2O)(n<2)
Antlerite: Cu3(SO4)(OH)4

Comments: Yellow crystals of metaschoepite with green antlerite.
Location: Pöhla-Tellerhäuser Gallery, Pöhla, Schwarzenberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Metasideronatrite Image

Images:

Metasideronatrite: Na2Fe+++(SO4)2(OH)·(H2O)
Tamarugite: NaAl(SO4)2·6(H2O)

Comments: Orange metasideronatrite with white tamarugite.
Location: Willi Agatz Mine, Dresden, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Metasideronatrite Image

Images:

Metasideronatrite: Na2Fe+++(SO4)2(OH)·(H2O)
Ungemachite: K3Na8Fe+++(SO4)6(NO3)2·6(H2O)

Comments: Translucent rounded ungemachite microcrystal on yellow metasideronatrite.
Location: Chuquicamata, Antofagasta, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Metastibnite Image

Images:

Metastibnite: Sb2S3
Sulfur: S8

Comments: Red coatings of metastibnite with yellow sulfur.
Location: Steamboat Springs, Washoe County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Metastudtite Image

Images:

Metastudtite: UO4·2(H2O)

Comments: White acicular microcrystal metastudtite clusters on dark yellow to brown sklodowskite grains.
Location: Musonoi, Katanga, Shaba, Zaire. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Metaswitzerite Image

Images:

Metaswitzerite: Mn3(PO4)2·4(H2O)

Comments: Bladed crystalline sprays of milk chocolate-colored metaswitzerite crystals.
Location: Foote mine, Kings Mountain, Cleveland County, North Carolina, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

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