Hannes Nestelberger's Photo Gallery

CVA-C69Crandallite CaAl₃(PO₄)(PO₃OH)(OH)₆ , Wad

Brandberg, Sankt Peter-Freienstein, Leoben District, Styria, Austria

Dimensions: 90 mm x 80 mm x 45 mm

This ochre to brown-coloured crandallite sinter with minor black wad was mined in 1958 by Heinz Weninger.

Collection and photo: Hannes Nestelberger (ex coll. Heinz Weninger).

24X-GCMQuartz (Var: Smoky Quartz) SiO₂

Furka, Furka pass area, Oberwald, Obergoms, Goms, Valais, Switzerland

Dimensions: 120 mm x 105 mm x 75 mm

Floater specimen of clear smoky quartz crystals on gneiss matrix.

Collection and photo: Hannes Nestelberger.

DFF-DV9Quartz (Var: Faden Quartz) SiO₂

Aiguilles Grises ridge, Miage Glacier, Courmayeur, Aosta Valley, Italy

Dimensions: 43 mm x 25 mm x 16 mm

Perfectly clear faden quartz crystal.

Collection and photo: Hannes Nestelberger.

42P-A1ERhodochrosite MnCO₃ , Calcite CaCO₃ , Arsenopyrite FeAsS , Quartz SiO₂

Trepča Stari Trg Mine, Trepča complex, Mitrovica, Mitrovica District, Kosovo

Dimensions: 97 mm x 69 mm x 61 mm

Arsenopyrite crystals overgrown by intense colored rhodochrosite crystals with colorless calcite- and quartz crystals.

Collection and photo: Hannes Nestelberger (ex coll. Karl Kontrus, Heinz Weninger).

8MJ-TFMDolomite CaMg(CO₃)₂ , Calcite CaCO₃ , Boulangerite Pb₅Sb₄S₁₁ , Siderite FeCO₃

Trepča Stari Trg Mine, Trepča complex, Mitrovica, Mitrovica District, Kosovo

Dimensions: 140 mm x 75 mm x 73 mm

Pale pink dolomite crystals, overgrown by tan siderite crystals and boulangerite-included calcite crystals.
This Specimen was purchased by the Austrian collector Albert Strasser at the mineral show in Tržič, Slovenia, in 1985.

Collection and photo: Hannes Nestelberger.

P1C-YFRCalcite CaCO₃

Wietersdorf & Peggau Cement works quarry, Peggau, Graz-Umgebung District, Styria, Austria

Dimensions: 56 mm x 33 mm x 8 mm

Looking at this calcite specimen I could almost worry that it will fly away one day :-).

Collection and photo: Hannes Nestelberger.

2EE-821Fluorite CaF₂ , Calcite CaCO₃

La Viesca Mine, Huergo, La Collada mining area, Siero, Asturias, Spain

Dimensions: 65 mm x 56 mm x 40 mm

Fluorite floater crystal with some small calcite crystals.

Collection and photo: Hannes Nestelberger.

VR9-WCNQuartz SiO₂

Trepča Stari Trg Mine, Trepča complex, Mitrovica, Mitrovica District, Kosovo

Dimensions: 180 mm x 135 mm x 75 mm

Somehow strangely grown artichoke quartz from a find latest in the 1970s.

Collection and photo: Hannes Nestelberger (ex coll. Heinz Weninger).

P1J-MC3Pyrrhotite Fe_1-xS , Quartz SiO₂

Trepča Stari Trg Mine, Trepča complex, Mitrovica, Mitrovica District, Kosovo

Dimensions: 113 mm x 76 mm x 51 mm

Bronze-coloured pyrrhotite crystals are overgrown by clear rock crystals.
This Specimen was traded at the mineral show in Tržič, Slovenia, in 1981.

Collection and photo: Hannes Nestelberger.

40H-KDEQuartz (Var: Chalcedony) SiO₂ , Calcite CaCO₃

Hüttenberger Erzberg, Hüttenberg, Sankt Veit an der Glan District, Carinthia, Austria

Dimensions: 62 mm x 45 mm x 33 mm

Botryoidal chalcedony pseudomorph after calcite crystals.

Collection and photo: Hannes Nestelberger.