Mineral Specimen Images (A)

Mineral Thumbnail Images (A)

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Mineral Specimen Images (A) With 620 Images

Altaite Image

Images:

Altaite: PbTe
Mattagamite: CoTe2
Tellurantimony: Sb2Te3

Comments: Silvery metallic intergrowths of mattagamite with tellurantimony and altaite.
Location: Mattagami Lake Mine, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Altaite Image

Images:

Altaite: PbTe
Maslovite: PtBiTe
Froodite: PdBi2

Comments: Reflected light photomicrograph of maslovite (M), froodite (F), and altaite (A), in chalcopyrite matrix.
Location: Oktyabr'skoye Mine, Norilsk, Krasnoyarsk Territory, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Altaite Image

Images:

Altaite: PbTe
Maslovite: PtBiTe
Froodite: PdBi2

Altaite Image

Images:

Altaite: PbTe
Mattagamite: CoTe2
Tellurantimony: Sb2Te3

Althausite Image

Images:

Althausite: Mg2(PO4)(OH,F,O)

Comments: Grayish to maroon colored and opaque crystals of althausite on matrix.
Location: Overntjern, Buskerud, Norway. Scale: 3.2 x 5 cm.
© John Veevaert

Althausite Image

Images:

Althausite: Mg2(PO4)(OH,F,O)

Comments: Grayish to maroon colored and opaque crystals of althausite on matrix.
Location: Overntjern, Buskerud, Norway. Scale: 3.2 x 5 cm.
© John Veevaert

Altisite Image

Images:

Altisite: Na3K6Ti2Al2Si8O26Cl3

Comments: Small speck of altisite in the center of the sticky tape.
Location: Olenii Ruchei Apatite Deposit, Khibiny Alkaline Massif, Kola Peninsula, Russia. Scale: Graph Paper 1 mm.
© Sergey Vasiliev / Systematic Mineralogy

Altisite Image

Images:

Altisite: Na3K6Ti2Al2Si8O26Cl3

Aluminite Image

Images:

Aluminite: Al2(SO4)(OH)4·7(H2O)

Comments: Snow-white, very pure nodules of aluminite.
Location: Newhaven, Sussex, Great Britain. Scale: 5.5 x 3 cm.
© John Veevaert

Aluminite Image

Images:

Aluminite: Al2(SO4)(OH)4·7(H2O)

Comments: Snow-white, very pure nodules of aluminite.
Location: Newhaven, Sussex, Great Britain. Scale: 5.5 x 3 cm.
© John Veevaert

Aluminoceladonite Image

Images:

Aluminoceladonite: KAl(Mg,Fe++)[ ]Si4O10(OH)2
Muscovite: KAl2(Si3Al)O10(OH,F)2

Comments: Large, 1cm, purple crystals of muscovite/leucophyllite, (var. alurgite which is an intermediate composition to muscovite and leucophyllite (aluminoceladonite).
Location: Ultevis, Sweden. Scale: 5x3.5x3cm.
© Tom Loomis / Dakota Matrix

Aluminoceladonite Image

Images:

Aluminoceladonite: KAl(Mg,Fe++)[ ]Si4O10(OH)2
Muscovite: KAl2(Si3Al)O10(OH,F)2

Aluminocerite-(Ce) Image

Images:

Aluminocerite-(Ce): (Ce,REE,Ca)9(Al,Fe+++)(SiO4)3[SiO3(OH)]4(OH)3

Comments: BSE image of the holotype of aluminocerite-(Ce) showing pseudo-octahedral to rombohedral crystals flattened on the c axis. (AmMin v94:488).
Location: Ratti quarry near Baveno, Italy.. Scale: See Image.
© American Mineralogist

Aluminocerite-(Ce) Image

Images:

Aluminocerite-(Ce): (Ce,REE,Ca)9(Al,Fe+++)(SiO4)3[SiO3(OH)]4(OH)3

Aluminocopiapite Image

Images:

Aluminocopiapite: Al2/3Fe+++4(SO4)6O(OH)2·20(H2O)

Comments: Small yellow crystals of aluminocopiapite.
Location: Willi Agatz Mine, Dresden, Saxony, Germany. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Aluminocopiapite Image

Images:

Aluminocopiapite: Al2/3Fe+++4(SO4)6O(OH)2·20(H2O)

Comments: Small yellow crystals of aluminocopiapite.
Location: Willi Agatz Mine, Dresden, Saxony, Germany. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Aluminoferrotschermakite Image

Images:

Aluminoferrotschermakite: [ ]Ca2(Fe2+)3Al2(Si6Al2)O22(OH)2
Tuperssuatsiaite: Na(Fe+++,Mn)3[Si8O20](OH)2·n(H2O)

Comments: Golden acicular tuperssuatsiaite crystal spray with clear apophyllite and dark green aluminoferrotschermigite.
Location: Aris Quarry, Khomas, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Aluminoferrotschermakite Image

Images:

Aluminoferrotschermakite: [ ]Ca2(Fe2+)3Al2(Si6Al2)O22(OH)2
Tuperssuatsiaite: Na(Fe+++,Mn)3[Si8O20](OH)2·n(H2O)

Aluminum Image

Images:

Aluminum: Al

Comments: Native aluminum in a polished section.
Location: From a mud volcano in the Caspian Sea near Baku, Azerbaidzhan. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Aluminum Image

Images:

Aluminum: Al

Comments: Deep-green phlogopite with Al flake (at the center). AmMin, 94:1983.
Location: Found in a desilicated pegmatite vein, NW Rila Mountain, Bulgaria. Scale: Scale Bar 1 mm.
© American Mineralogist

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