Jeff Weissman's Image Gallery

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Images from Jeff Weissman

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Jeff Weissman's Image Gallery With 1177 Images

Mcnearite Image

Images:

Mcnearite: NaCa5H4(AsO4)5·4(H2O)

Comments: Crystalline mcnearite micro botryoids on matrix.
Location: Gabbe Gottes, Sainte-Marie-aux-Mines, Haute-Rhin, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Medaite Image

Images:

Medaite: (Mn,Ca)6(V+++++,As)Si5O18(OH)

Comments: Orange crystalline medaite crust.
Location: Molinello Mine, near Chiavari, Liguria, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Meionite Image

Images:

Meionite: Ca4Al6Si6O24CO3
Kaliophilite: KAlSiO4

Comments: Tan to white fibrous kaliophilite crystal bundle with white translucent meionite on matrix.
Location: Mont Somma, Naples, Campania, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Melanotekite Image

Images:

Melanotekite: Pb2Fe+++2Si2O9

Comments: Black metallic granular melanotekite with reddish brown andradite.
Location: Langban, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Melanothallite Image

Images:

Melanothallite: Cu2OCl2
Chloromenite: Cu9O2(SeO3)4Cl6

Comments: Olive green crystalline chloromenite on blue-green melanothallite.
Location: North Break, Second Cone of main fracture eruption, Tolbachik Volcano, Kamchatka District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Melanothallite Image

Images:

Melanothallite: Cu2OCl2

Comments: Bluish green melanothallite grain.
Location: North Break, Second Cone, Main Eruption Site, Tolbachik, Kamchatka District, Russian Far East, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Melanovanadite Image

Images:

Melanovanadite: CaV++++2V+++++2O10·5(H2O)

Comments: Dark greenish-black fine-grained massive melanovanadite.
Location: Minas Ragra, near Cerro de Pasco, Junin, Peru. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Melonite Image

Images:

Melonite: NiTe2

Comments: Metallic foil of melonite.
Location: Cresson Mine, Cripple Creek, Teller County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mendipite Image

Images:

Mendipite: Pb3Cl2O2
Crednerite: CuMnO2

Comments: Sooty, deep-black, granular to platy crednerite with mendipite.
Location: Mendip Hills, Somerset, England. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mendipite Image

Images:

Mendipite: Pb3Cl2O2
Chloroxiphite: Pb3CuCl2(OH)2O2
Crednerite: CuMnO2

Comments: Green, opaque granular chloroxiphite with mendipite and black crednerite.
Location: Higher Pitts Farm, Priddy, Mendip Hills, Somerset, England. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mendipite Image

Images:

Mendipite: Pb3Cl2O2
Crednerite: CuMnO2
Chloroxiphite: Pb3CuCl2(OH)2O2

Comments: Radiating compact with clear to white crystalline mendipite with black crednerite and green chloroxiphite.
Location: Mendip Hills, Somerset, England. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mendozite Image

Images:

Mendozite: NaAl(SO4)2·11(H2O)

Comments: White chalky massive mendozite.
Location: Gold Bottom Mine, Inyo County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mercallite Image

Images:

Mercallite: KHSO4

Comments: Pale blue to white powdery aggregate of mercallite.
Location: Vesuvius, Campania, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mercury Image

Images:

Mercury: Hg

Comments: Silvery metallic mercury coatings on quartz.
Location: Socrates Mine, Sonoma County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Merlinoite Image

Images:

Merlinoite: (K,Ca,Na,Ba)7Si23Al9O64·23(H2O)

Comments: Colorless transparent prismatic merlinoite microcrystals in vug.
Location: Lagno Ahendo Lare, Vesuvius, Naples, Campania, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Merrihueite Image

Images:

Merrihueite: (K,Na)2(Fe++,Mg)5Si12O30
Chayesite: K(Mg,Fe++)4Fe+++(Si12O30)

Comments: A sharp, chemically zoned crystal of copper-brown merrihueite(?) (see Lapis-Magazine 4/2002 Page 38/39) overgrown on bluish chayesite.
Location: Basalt quarry, Pauliberg Mt., Kobersdorf, Oberpullendorf, Burgenland, Austria. Scale: Crystal Size 0.15 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Merwinite Image

Images:

Merwinite: Ca3Mg(SiO4)2

Comments: Dark brown crystalline merwinite in light green crystalline massive marble.
Location: Crestmore Quarry, Riverside 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)

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

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

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