Harz Mts, Lower Saxony, Germany

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Acanthite : Ag₂S
	St Andreasberg, St Andreasberg District, Harz Mts, Lower Saxony, Germany Nice little specimen with acanthite crystals on qz from the St Andreasberg Mines, Harz. Size 10 x30x 40 (mm), formerly in the collection of Wilhelm Anderberg (1827-71), A. Österlöf photo 2004 School of Mines collection Luleå University of Technology Sweden
© AÖ	Photo ID: 153339 View Count: 182
Acanthite : Ag₂S, Quartz : SiO₂
	Clausthal-Zellerfeld, Harz Mts, Lower Saxony, Germany 8.0 x 6.0 x 4.6 cm. A classic, old-time combination German specimen from the famous Clausthal area of the Harz Mountains. The very sculptural, 3-dimensional, mountain peak-like matrix of glassy, colorless quartz crystals is very richly covered with melted-look acanthite crystals. This specimen dates to the 1800s and comes from an old European ...
© Rob Lavinsky	Photo ID: 182962 View Count: 166
Acanthite : Ag₂S, Galena : PbS, Silver : Ag
	Samson Mine, St Andreasberg, St Andreasberg District, Harz Mts, Lower Saxony, Germany Galena, with large aggregates of Acanthite including a couple wires of Silver replaced by Argentite/Acanthite Large Cabinet specimen
	Photo ID: 243573 View Count: 38
Acanthite : Ag₂S
	St Andreasberg, St Andreasberg District, Harz Mts, Lower Saxony, Germany A fine "old-timer" from this classic German mining district! A branching metallic silver matrix-less grouping of acanthite, with crystals to 10 mm in size, measuring 2.2 x 1.3 x 0.8 cm in size. Undamaged and complete all around. Ref: Lapis 1989(7/8).
© Dan & Diana Weinrich Minerals	Photo ID: 236897 View Count: 27
Agardite
	Wolkenhügel Mine, Bad Lauterberg, Harz Mts, Lower Saxony, Germany Image width about 2 mm.
© D. Harries	Photo ID: 16834 View Count: 619
Aikinite : PbCuBiS₃
	Wolkenhügel Mine, Bad Lauterberg, Harz Mts, Lower Saxony, Germany Width of field 0.9 mm. Collection of Jesse Crawford. Compositing software: CombineZP. Equipment: Nikon D-100 digital camera on a homemade microscope.
© 2008 Jesse Crawford	Photo ID: 190736 View Count: 120
Aikinite : PbCuBiS₃
	Wolkenhügel Mine, Bad Lauterberg, Harz Mts, Lower Saxony, Germany Width of field 0,5 mm. Collection and photo Jesse Crawford. Compositing program CombineZP. Equipment: Nikon D-100 on a homemade microscope.
© 2008 Jesse Crawford	Photo ID: 198860 View Count: 94
Allanite-(Ce) : {CaCe}{Al₂Fe²⁺}[O\|OH\|SiO₄\|Si₂O₇]
	Gabbro Quarry (Bärenstein Quarry), Bad Harzburg, Harz Mts, Lower Saxony, Germany Allanite-(Ce), max. diameter of crystal: 4 mm. Photo & collection: Dennis Harries
© D. Harries	Photo ID: 13673 View Count: 694
Analcime : Na₂[Al₂Si₄O₁₂] · 2H₂O
	Gabbro Quarry (Bärenstein Quarry), Bad Harzburg, Harz Mts, Lower Saxony, Germany Image width about 3 mm.
© D. Harries	Photo ID: 16832 View Count: 663
Anatase : TiO₂
	Gabbro Quarry (Bärenstein Quarry), Bad Harzburg, Harz Mts, Lower Saxony, Germany Image width about 3 mm. Bicolored anatase, blue tabular crystal overgrown by yellow pyramids.
© D. Harries	Photo ID: 16825 View Count: 640