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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

Aminoffite Image

Images:

Aminoffite: Ca3Be2Si3O10(OH)2

Comments: Clear, pyramidal aminoffite crystal.
Location: Langban, Varmland, Sweden. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Ammonioalunite Image

Images:

Ammonioalunite: (NH4)Al3(SO4)2(OH)6
Kaolinite: Al2Si2O5(OH)4

Comments: White chalky ammonioalunite on darker kaolinite.
Location: Schoeller Mine, Kladno, Stredocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ammoniojarosite Image

Images:

Ammoniojarosite: (NH4)Fe+++3(SO4)2(OH)6

Comments: Tan colored fine-grained massive ammoniojarosite, intimately associated with quartz.
Location: Wamsutter, Sweetwater County, Wyoming, USA. Scale: See Image.
© Rruff Database

Ammonioleucite Image

Images:

Ammonioleucite: (NH4,K)AlSi2O6

Comments: White powdery ammonioleucite associated with colorless analcime.
Location: Tatarazawa Quarry, Fujioka Gunma Prefecture, Hunho Island, Japan. Scale: See Image.
© Rruff Database

Analcime Image

Images:

Analcime: NaAlSi2O6·(H2O)

Comments: Brownish yellow transparent analcime crystals.
Location: Guam. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Analcime Image

Images:

Analcime: NaAlSi2O6·(H2O)
Serandite: Na(Mn++,Ca)2Si3O8(OH)
Natrolite: Na2[Al2Si3O10]·2(H2O)

Comments: Orange-red, blocky serandite with white, blocky natrolite and white, equant grains of analcime.
Location: Mt. St. Hilaire, Canada. Scale: 4 x 3 cm.
© Fabre Minerals

Analcime Image

Images:

Analcime: NaAlSi2O6·(H2O)
Behoite: Be(OH)2

Comments: Gray-white microcline crystals up to 4 cm coated with overgrowth of analcime 18 mm diameter, black aegirine up to 25 mm and most notable, a pale pink behoite.
Location: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mt Saint-Hilaire, Rouville Co., Québec, Canada. Scale: 5x4x3 cm.
© John Betts - Fine Minerals

Anandite Image

Images:

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

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

Anapaite Image

Images:

Anapaite: Ca2Fe++(PO4)2·4(H2O)

Comments: Specimen of anapaite on limonite. There are two distinct crystal forms of anapaite - both bladed or tabular and spiky (See inset images).
Location: Taman Peninsula, Black Sea, Russia. Scale: 6 x 5 cm.
© John Veevaert

Anatase Image

Images:

Anatase: TiO2

Comments: anatase with calcite.
Location: Hardangervidda, Norway, (1999). Scale: 1.5 x 3 cm.
© Fabre Minerals

Ancylite-(Ce) Image

Images:

Ancylite-(Ce): SrCe(CO3)2(OH)·(H2O)

Comments: Pinkish brown ancylite-(Ce) blades.
Location: Mont St. Hilaire, Quebec, Canada. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Ancylite-(La) Image

Images:

Ancylite-(La): Sr(La,Ce)(CO3)2(OH)·(H2O)

Comments: Pale brown aggregates of ancylite-(La) crystals with some aegirine on matrix.
Location: Mt. Kukisvumchorr, Chibiny, Kola, Russia. Scale: Specimen Size 2.5x3.5 cm.
© Diederik Visser

Andalusite Image

Images:

Andalusite: Al2SiO5 = Al[6]Al[5]OSiO4

Comments: Wine colored andalusite associated with mica.
Location: Sierra Albarrana, Cordoba, Spain. Scale: 4.5 x 3.5 cm.
© Fabre Minerals

Andersonite Image

Images:

Andersonite: Na2Ca(UO2)(CO3)3·6(H2O)

Comments: Yellow crusts of andersonite in sandstone.
Location: Atomic King mine, San Juan County, Utah, USA. Scale: 4x3x2 cm.
© John Veevaert

Andersonite Image

Images:

Andersonite: Na2Ca(UO2)(CO3)3·6(H2O)

Comments: Veins of bright yellowish green, andersonite in sandstone. The fluorescence of this mineral is noticeable under ambient office lighting plus a UV lamp.
Location: Atomic King Mine, Cane Creek Canyon, Grand County, Utah, USA. Scale: Specimen size 6 cm.
© Paul M. Schumacher

Andesine Image

Images:

Andesine: (Na,Ca)(Si,Al)4O8
Plagioclase: (Na,Ca)(Si,Al)4O8

Comments: Translucent andesine crystal twin.
Location: Maeyama Ueda shi, Nagano, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Andorite Image

Images:

Andorite: PbAgSb3S6

Comments: Metallic, prismatic andorite crystal.
Location: Baie Sprie (Felsobanya), Maramures, Romania. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Andorite Image

Images:

Andorite: PbAgSb3S6
Ferrokesterite: Cu2(Fe,Zn)SnS4

Comments: Small, tetragonal crystal of gray ferrokesterite (circled in thumbnail) attached on the surface of a larger striated andorite specimen.
Location: San Jose mine, Oruro, Bolivia. Scale: Crystal size 0.2 mm.
© John Veevaert

Andradite Image

Images:

Andradite: Ca3Fe+++2(SiO4)3
Clinochlore: (Mg,Fe++)5Al(Si3Al)O10(OH)8

Comments: Transparent topazolite, the yellow variety of andradite on clinochlore.
Location: Yellow Cat Mine, New Idria District, San Benito County. California, USA. Scale: 2.7 x 2.5 cm.
© Fabre Minerals

Andradite Image

Images:

Andradite: Ca3Fe+++2(SiO4)3

Comments: Andradite (var. Demantoid) Garnet.
Location: Namgar mine, Erongo Mts. Namibia. Scale: 3.5 x 3.2 cm.
© Fabre Minerals

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