St Gotthard basis tunnel (north section), NEAT Construction site, Amsteg, Reuss Valley, Uri, Switzerland

To view 3d wall of images click here

Adularia : KAlSi₃O₈, Chlorite Group
	St Gotthard basis tunnel (north section), NEAT Construction site, Amsteg, Reuss Valley, Uri, Switzerland Chlorite covered adularia crystals of 2.1 cm tip-to-tip. Christian Bracke Collection.
© Christian Bracke	Photo ID: 184982 View Count: 92
Allanite-(Ce) : {CaCe}{Al₂Fe²⁺}[O\|OH\|SiO₄\|Si₂O₇]
	St Gotthard basis tunnel (north section), NEAT Construction site, Amsteg, Reuss Valley, Uri, Switzerland Picture width 3 mm. Collection and photo Stephan Wolfsried
© Stephan Wolfsried	Photo ID: 83447 View Count: 241
Ankerite : Ca(Fe²⁺ ,Mg,Mn²⁺)(CO₃)₂, Quartz : SiO₂, Albite : Na[AlSi₃O₈]
	St Gotthard basis tunnel (north section), NEAT Construction site, Amsteg, Reuss Valley, Uri, Switzerland Typically fresh specimen of 5.5 x 3.7 x 2.8 cm. Christian Bracke Collection.
© Christian Bracke	Photo ID: 144715 View Count: 114
Apatite-(CaF) : Ca₅[F\|(PO₄)₃]
	St Gotthard basis tunnel (north section), NEAT Construction site, Amsteg, Reuss Valley, Uri, Switzerland Picture width 3 mm. Collection and photo Stephan Wolfsried
© Stephan Wolfsried	Photo ID: 100811 View Count: 142
Apophyllite, Calcite : CaCO₃
	St Gotthard basis tunnel (north section), NEAT Construction site, Amsteg, Reuss Valley, Uri, Switzerland Apophyllite crystals up to 7 mm length, with chlorite inclusions. Christian Bracke Collection.
© Christian Bracke	Photo ID: 184980 View Count: 80
Apophyllite-(KF) : KCa₄[(F,OH)\|Si₈O₂₀] · 8H₂O
	St Gotthard basis tunnel (north section), NEAT Construction site, Amsteg, Reuss Valley, Uri, Switzerland Crystals up to 7 mm length. Christian Bracke Collection.
© Christian Bracke	Photo ID: 139905 View Count: 120
Apophyllite-(KF) : KCa₄[(F,OH)\|Si₈O₂₀] · 8H₂O
	St Gotthard basis tunnel (north section), NEAT Construction site, Amsteg, Reuss Valley, Uri, Switzerland Crystal of 6 mm length. Christian Bracke Collection.
© Christian Bracke	Photo ID: 139904 View Count: 71
Calcite : CaCO₃, Chlorite Group
	St Gotthard basis tunnel (north section), NEAT Construction site, Amsteg, Reuss Valley, Uri, Switzerland Specimen size 6.2 x 3.8 x 2.5 cm. Christian Bracke Collection.
© Christian Bracke	Photo ID: 184983 View Count: 82
Laumontite : CaAl₂Si₄O₁₂·4H₂O
	St Gotthard basis tunnel (north section), NEAT Construction site, Amsteg, Reuss Valley, Uri, Switzerland Picture width 4 mm. Collection and photograph Stephan Wolfsried
© Stephan Wolfsried	Photo ID: 72690 View Count: 209
Laumontite : CaAl₂Si₄O₁₂·4H₂O
	St Gotthard basis tunnel (north section), NEAT Construction site, Amsteg, Reuss Valley, Uri, Switzerland Laumontite crystals up to 1 cm length. Christian Bracke Collection.
© Christian Bracke	Photo ID: 139902 View Count: 115