Mineral Specimen Images (M)

Mineral Thumbnail Images (M)

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Mineral Specimen Images (M) With 774 Images

Metacalciouranoite Image

Images:

Metacalciouranoite: (Ca,Na,Ba)U2O7·2(H2O)
Calciouranoite: (Ca,Ba,Pb)U2O7·5(H2O)

Comments: Cryptocrystalline looking, greasy yellow blotches, of amorphous calciouranoite (probably, in part, dehydrated to matacalciouranoite).
Location: Oktyabr'skoye Mo-U deposit, east Transbaikal region, Russia. Scale: See Image.
© Rruff Database

Metacalciouranoite Image

Images:

Metacalciouranoite: (Ca,Na,Ba)U2O7·2(H2O)
Calciouranoite: (Ca,Ba,Pb)U2O7·5(H2O)

Metacinnabar Image

Images:

Metacinnabar: HgS

Comments: Spherical metacinnabar crystals on quartz.
Location: Mt. Diablo mine, Contra Costa County, California, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Metacinnabar Image

Images:

Metacinnabar: HgS

Comments: Spherical metacinnabar crystals on quartz.
Location: Mt. Diablo mine, Contra Costa County, California, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Metadelrioite Image

Images:

Metadelrioite: CaSrV2O6(OH)2·(H2O)
Delrioite: CaSrV2O6(OH)2·3(H2O)

Comments: Yellow metadelrioite and delrioite, with orange rossite/metarossite on a sandstone matrix. See inset image.
Location: Jo Dandy Mine, Montrose CO., USA. Scale: 6 1/4" x 5 1/2".
© Chris Wright / Wrights Rock Shop

Metadelrioite Image

Images:

Metadelrioite: CaSrV2O6(OH)2·(H2O)
Delrioite: CaSrV2O6(OH)2·3(H2O)

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

Metahaiweeite Image

Images:

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

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

Metaheinrichite Image

Images:

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

Metaheinrichite Image

Images:

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

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

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)

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

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)

Metahohmannite Image

Images:

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

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

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

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