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Clermont-Ferrand, Puy-de-Dôme, Auvergne, France

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Afwillite : Ca3[HSiO4]2 · 2H2O

Boisséjour, Ceyrat, Clermont-Ferrand, Puy-de-Dôme, Auvergne, France

Width of field 1.7 mm. Collection of and photo by Jesse Crawford. Compositing software CombineZP. Equipment Nikon D-100 digital camera on a homemade microscope.
 © 2008 Jesse CrawfordPhoto ID: 201874    View Count: 136

Ettringite : Ca6Al2[(OH)4|SO4]3 · 26H2O

Boisséjour, Ceyrat, Clermont-Ferrand, Puy-de-Dôme, Auvergne, France

Width of field is 0.5 mm. Collection of and photo by Jesse Crawford. Compositing software CombineZP. Equipment: Nikon D-100 digital comera on a homemade microscope.
 © 2008 Jesse CrawfordPhoto ID: 174575    View Count: 106

Ettringite : Ca6Al2[(OH)4|SO4]3 · 26H2O

Boisséjour, Ceyrat, Clermont-Ferrand, Puy-de-Dôme, Auvergne, France

Width of field is 2.5 mm. Collection of Jesse Crawford. The depth of field has been enhanced using Helicon Focus (12 exposures). Equipment: Nikon D-100 on a homemade microscope.
 © 2008 Jesse CrawfordPhoto ID: 174931    View Count: 94

Ettringite : Ca6Al2[(OH)4|SO4]3 · 26H2O

Boisséjour, Ceyrat, Clermont-Ferrand, Puy-de-Dôme, Auvergne, France

Ettringite
Field of view 8 mm
Photo and Collection Patrice Queneau
 © P.QueneauPhoto ID: 213401    View Count: 48

Ettringite : Ca6Al2[(OH)4|SO4]3 · 26H2O

Boisséjour, Ceyrat, Clermont-Ferrand, Puy-de-Dôme, Auvergne, France

Ettringite crystals
Field of view 4 mm
Photo and Collection Patrice Queneau
 © P.QueneauPhoto ID: 213621    View Count: 44

Gismondine : Ca[Al2Si2O8]·4.5H2O

Boisséjour, Ceyrat, Clermont-Ferrand, Puy-de-Dôme, Auvergne, France

Gismondine
Field of view 5 mm
Photo and Collection Patrice Queneau
 © P.QueneauPhoto ID: 213622    View Count: 72

Gismondine : Ca[Al2Si2O8]·4.5H2O

Boisséjour, Ceyrat, Clermont-Ferrand, Puy-de-Dôme, Auvergne, France

Gismondine crystals in vug
Field of view 1,8 mm
Photo and Collection Patrice Queneau
 © P.QueneauPhoto ID: 213623    View Count: 58

Hydrocalumite : Ca2Al(OH)7·2H2O

Boisséjour, Ceyrat, Clermont-Ferrand, Puy-de-Dôme, Auvergne, France

Width of field 0.5 mm. Collection and photo Jesse Crawford. Compositing software Helicon Focus. Equipment: Nikon D-100 on a homemade microscope.
 © 2008 Jesse CrawfordPhoto ID: 204353    View Count: 46

Hydrocalumite : Ca2Al(OH)7·2H2O

Boisséjour, Ceyrat, Clermont-Ferrand, Puy-de-Dôme, Auvergne, France

Hydrocalumite crystals
Field of view 9,5 mm
Photo and Collection Patrice Queneau
 © P.QueneauPhoto ID: 213624    View Count: 46

Portlandite : Ca(OH)2

Boisséjour, Ceyrat, Clermont-Ferrand, Puy-de-Dôme, Auvergne, France

Portlandite crstals
Field of view 5 mm
Photo and Collection Patrice Queneau
 © P.QueneauPhoto ID: 213671    View Count: 138
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