Jeff Weissman's Image Gallery

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

Images from Jeff Weissman

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Jeff Weissman's Image Gallery With 1177 Images

Gatumbaite Image

Images:

Gatumbaite: CaAl2(PO4)2(OH)2·(H2O)
Apatite-(CaF): Ca5(PO4)3F

Comments: White crystalline gatumbaite with yellow brazilianite in massive blue fluorapatite.
Location: Buranga Pegmatite, near Gatumba, Gisenyi, Rwanda. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gaylussite Image

Images:

Gaylussite: Na2Ca(CO3)2·5(H2O)

Comments: Clear, nearly colorless crystals of gaylussite.
Location: Trona, Searles Lake, San Bernardino County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gearksutite Image

Images:

Gearksutite: CaAl(OH,F)5·(H2O)

Comments: White gearksutite crust on quartz.
Location: Saint Peter's Dome, El Paso County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gedrite Image

Images:

Gedrite: [ ]Mg5Al2Si6Al2O22(OH)2

Comments: Back prismatic crystalline gedrite in rock.
Location: Schissgruvan, near Ludvika, Dalarna, Kopparberg, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gehlenite Image

Images:

Gehlenite: Ca2Al(AlSi)O7

Comments: Crystalline massive gehlenite.
Location: Crestmore Quarry, Riverside County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Georgbarsanovite Image

Images:

Georgbarsanovite: Na12(Mn,Sr,REE)3Ca6Fe++3Zr3NbSi25O76Cl2·H2O

Comments: A small translucent crystalline fragment of georgbarsanovite, from the type locality.
Location: Nepheline pegmatite outcrop, Petrelius River, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Fragment Size 0.05 cm,.
© Jeff Weissman / Photographic Guide to Mineral Species

Georgeite Image

Images:

Georgeite: Cu++5(CO3)3(OH)4·6(H2O)

Comments: Pale blue crusts of georgeite with dark green atacamite.
Location: Carr-Boyd Nickel Mine, Western Australia, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gerasimovskite Image

Images:

Gerasimovskite: (Mn,Ca)(Nb,Ti)5O12·9(H2O) (?)
Ussingite: Na2AlSi3O8(OH)

Comments: Pale tan gerasimovskite pseudomorphous after epistolite crystal, in purple ussingite.
Location: Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gerhardtite Image

Images:

Gerhardtite: Cu2(NO3)(OH)3

Comments: Emerald green crystalline crust of gerhardtite on copper.
Location: Greenland, Ontonagon County, Michigan, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Germanite Image

Images:

Germanite: Cu26Fe4Ge4S32

Comments: Red metallic germanite, tarnishing black.
Location: Tsumeb, Oshikoto, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gianellaite Image

Images:

Gianellaite: Hg4(SO4)N2

Comments: Yellow crystalline coatings of gianellaite on calcite.
Location: Mariposa Mine, Terlingua, Brewster County, Texas, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Giessenite Image

Images:

Giessenite: Pb13(Cu,Ag)(Bi,Sb)9S28 (?)

Comments: Small clumps of acicular crystal mats of giessenite with rounded cosalite grains (as photographed on pure white fibrous backing material).
Location: Otome Mine, near Kofu, Yamanashi, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gillespite Image

Images:

Gillespite: BaFe++Si4O10
Anandite: (Ba,K)(Fe++,Mg)3(Si,Al,Fe)4O10(S,OH)2

Comments: Black micaceous anandite with dark red gillespite.
Location: Esquire No. 7 Claim, Big Creek, Fresno County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gillespite Image

Images:

Gillespite: BaFe++Si4O10
Pellyite: Ba2Ca(Fe++,Mg)2Si6O17

Comments: Red crystalline gillespite with yellow pellyite rock matrix.
Location: GUN claims, Itsi Mountains, MacMillan Pass Area, Yukon Territory, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gillulyite Image

Images:

Gillulyite: Tl2(As,Sb)8S13

Comments: Dark red crystalline gillulyite in white calcite.
Location: South Mercur Pit, Barrick Gold Mine, Mercur, Tooele County, Utah, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ginorite Image

Images:

Ginorite: Ca2B14O23·8(H2O)
Priceite: Ca2B5O7(OH)5·H2O

Comments: Clear platy crystalline coatings of ginorite on rock with white priceite.
Location: Corkscrew Canyon, Death Valley, Inyo County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Giorgiosite Image

Images:

Giorgiosite: Mg5(CO3)4(OH)2·5(H2O)

Comments: Opaque white nodular giorgiosite.
Location: Alphroessa, Santorini (Thira) Island, Notion Aiyalon, Greece. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Girdite Image

Images:

Girdite: Pb3H2(Te++++O3)(Te++++++O6)

Comments: White chalky crystalline spherical massive girdite in rock.
Location: Grand Central Mine, Tombstone, Cochise County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Girvasite Image

Images:

Girvasite: NaCa2Mg3(PO4)2[PO2(OH)2](CO3)(OH)2·4(H2O)

Comments: Translucent aggregate of girvasite.
Location: Kovdor Mine, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gittinsite Image

Images:

Gittinsite: CaZrSi2O7
Eudialyte: Na4(Ca,Ce)2(Fe++,Mn,Y)ZrSi8O22(OH,Cl)2 (?)

Comments: White crystalline gittinsite with red eudialyte.
Location: Kipiwa Complex, Villedieu Township, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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