Zinkwand, Obertalbach valley, Schladming, Liezen District, Styria, Austria

16mm detailed view of a larger specimen with nickeline and rammelsbergite, annabergite coatings to the left; Chris Auer photo and collection (ex J.Metzger coll., found 7/1997)

© AC

Rammelsbergite and annabergite (in the vug on top), Chris Auer photo and collection (ex J.Metzger coll., found 7/1997)

© AC

Löllingite crystal (after calcite dissolution by diluted HCl) Canon 550D on Auto Bellows, lens Canon Macro Photo 20 mm. Helicon Focus stack. sw. Collection and photo A. Zordan.

© Antonio Zordan

Gersdorffite crystals from the type locality at Zinkwand, Styria, Austria. The crystals were etched out with HCl from calcite.

© hamster@aon.at

Intimate intergrowth of Ni- and Fe-rich skutterudite (bright) with Co- and Fe-rich gersdorffite (dark), in a matrix of quartz. Both ore minerals show zonation. SEM micrograph of polished ore sample.

© Franz Brandstätter & Uwe Kolitsch

Massive dark grey gersdorffite with metallic brown nickeline - a gift from Frank Keutsch - with thanks.

© Maggie Wilson

Gersdorffite crystals from the type locality at Zinkwand, Styria, Austria.

© hamster@aon.at

rich specimen; EDS by Dr.F.Bernhard-Graz (Co>Ni, minor Mn, Zn); FOV 12 mm; Chris Auer photo and collection (ex J.Metzger coll., found 7/1997)

© AC

FOV 12 mm; Chris Auer photo and collection (ex J.Metzger coll., found 7/1997)

© AC

FOV 13 mm; Chris Auer photo and collection (ex J.Metzger coll., found 7/1997)

© AC

Intimate intergrowth of Ni- and Fe-rich skutterudite (bright) with Co- and Fe-rich gersdorffite (dark), in a matrix of quartz. Both ore minerals show zonation. SEM micrograph of polished ore sample.

© Franz Brandstätter & Uwe Kolitsch

FOV 12 mm; Chris Auer photo and collection (ex J.Metzger coll., found 7/1997)

© AC

Jamesonite is SEM-EDS analysed. Chris Auer photo and collection (ex J.Metzger coll., found 7/1997)

© AC

FOV 1,8 mm; Chris Auer photo and collection (ex J.Metzger coll., found 7/1997)

© AC

FOV 10 mm; Chris Auer photo and collection (ex J.Metzger coll., found 7/1997)

© AC

Euhedral to cataclastic arsenopyrite with minor Ni- and Fe-rich skutterudite (brighter) and Co- and Fe-rich gersdorffite (anhedral, shade similar to that of arsenopyrite), in a matrix of quartz. SEM micrograph of polished ore sample.

© Franz Brandstätter & Uwe Kolitsch

Small crystals from the type locality. Chris Auer photo and collection (ex J. Metzger coll., found 7/1997).

© AC

Chris Auer photo and collection (ex J. Metzger coll., found 7/1997).

© AC

Overview of the ore sample (ore minerals are bright): On the top right, masses of intergrown Ni- and Fe-rich skutterudite with Co- and Fe-rich gersdorffite, on the left dominant euhedral arsenopyrite, all in a matrix of quartz with clinchlore (darker than quartz). SEM micrograph of polished ore sample.

© Franz Brandstätter & Uwe Kolitsch

FOV 9 mm; Chris Auer photo and collection (ex J.Metzger coll., found 7/1997)

© AC

Gersdorffite from the type locality! Chris Auer photo and collection (ex J.Metzger coll., found 7/1997).

© AC

Fov ca. 4 mm peter neschen collection (8890)

© neschen

visually identified Fov ca. 8 mm peter neschen collection (8894)

© neschen

Chris Auer photo and collection.

© AC

Lustrous brownish nickeline and silvery gersdorffite, partially covered by green annabergite from a find in 1995 Collection and photo Hannes Nestelberger.

© Hannes Nestelberger

A sample of the nickel arsenic sulfide gersdorffite from the type locality in Austria. The species was first reported in the 1840s. This specimen is filled with micro crystals of silvery-grey colored metallic gersdorffite on matrix. This piece is accompanied by a classic label from Czech mineral specialist, Josef Vajdak/Pequa Rare Minerals. You ...

© Rob Lavinsky & MineralAuctions.com

Euhedral to subhedral, partly fractured löllingite (bright) with interstitial calcite (dark), which contains some slightly darker muscovite inclusions. SEM image (BSE mode). This sample was described in: Kolitsch, U. (2020): 2181). Allanit-(Ce) und Klinozoisit in Löllingit-Massiverzen von der Zinkwand, Schladminger Tauern, Steiermark. Pp. ...

© Uwe Kolitsch

Cluster of arsenopyrite crystals (brown-grey to blueish rotation tints) in association with tetraedrite/tennantite subgroups (dark-grey), in a matrix of dolomite and quartz (dispersed light internal reflections). Polished section, vertically reflected light digital image in air, with crossed polarizers. G. Grundmann collection and photo.

© Günter Grundmann, Detmold.

Annabergite is SEM-EDS analysed. Chris Auer photo and collection (ex J.Metzger coll., found 7/1997)

© AC

Bronze coloured nickeline and grey gersdorffite. Chris Auer photo and collection, swapped in the 1990's.

© AC

Historic specimen, on public display of the Universalmuseum Joanneum Graz, pic made through glass. Chris Auer photo taken in 2022.

© AC

Specimen on public display of the Universalmuseum Joanneum Graz; pic made through glass; Chris Auer photo taken in 2022

© AC

Historic specimen; on public display of the Universalmuseum Joanneum Graz; pic made through glass; Chris Auer photo taken in 2022

© AC

Historic specimen; on public display of the Universalmuseum Joanneum Graz; pic made through glass; Chris Auer photo taken in 2022

© AC

Cluster of arsenopyrite crystals (bright) and gersdorffite crystals (brownish tarnished) in association with tetraedrite/tennantite subgroups (grey), and minor chalcopyrite (yellow). Polished section, vertically reflected plane polarized light digital image in air. Width 8 mm. Ore microscopy illuminates the opaque grey ugly with true ...

© Günter Grundmann, Detmold.

Cluster of arsenopyrite crystals (brown-grey to blueish rotation tints) in association with sphalerite (dark-brown internal reflections) and tetraedrite/tennantite subgroups (dark-grey), in a matrix of dolomite and quartz (dispersed light internal reflections). Polished section, vertically reflected light digital image in air, with crossed ...

© Günter Grundmann, Detmold.

Cluster of arsenopyrite crystals (light-brown-grey to blueish rotation tints) in association with sphalerite (brown internal reflections) and tetraedrite/tennantite subgroups (dark-brown-grey), and very minor chalcopyrite, in a matrix of dolomite and quartz (dispersed light internal reflections). Polished section, vertically reflected light ...

© Günter Grundmann, Detmold.

Arsenopyrite crystals (bright) in association with a ragged aggregate of tetraedrite/tennantite subgroups (grey), and minor chalcopyrite (yellow), in a of dolomite, quartz and muscovite (dark-grey). Polished section, vertically reflected plane polarized light digital image in air. Width 8 mm. Ore microscopy illuminates the opaque grey ugly ...

© Günter Grundmann, Detmold.

Specimen on public display of the Universalmuseum Joanneum Graz. Pic made through glass. Chris Auer photo taken in 2022.

© AC

The microstructure of Ni-As mineralization from the Zinkwand area. Highly porous rubble breccia consisting of strongly fractured, granular to fan-shaped aggregates of nickeline (bright orange to pinkish), partially replaced and/or cemented by palisades of rammelsbergite (pure creamy white), encrusted by extremely fractured nickelskutterudite ...

© Günter Grundmann, Detmold.

Pseudomorphism probably after titanite consisting of a fine-grained framework (grey) of partially oriented “leucoxene” (= rutile and/or anatase) lamellae in association with arsenopyrite crystals (bright) in a matrix of dolomite and quartz (dark-grey). Polished section, vertically reflected plane polarized light digital image in air. Width 0.5 ...

© Günter Grundmann, Detmold.

Strongly hydrothermally corroded, zoned crystal grading from allanite-(Ce) (brighter) to clinozoisite containing very minor to trace REE (darker), in a matrix of dolomite and calcite. SEM image (BSE mode). This sample was described in: Kolitsch, U. (2020): 2181). Allanit-(Ce) und Klinozoisit in Löllingit-Massiverzen von der Zinkwand, ...

© Uwe Kolitsch

Pseudomorphism probably after titanite consisting of a fine-grained framework of more or less oriented “leucoxene” (= rutile and/or anatase) lamellae (yellow-brown internal reflections) in association with arsenopyrite crystals (dark-brown to blueish rotation tints) and fahlore in a matrix of dolomite and quartz (dispersed light internal ...

© Günter Grundmann, Detmold.

Cluster of arsenopyrite crystals (pinkish-brown to blueish rotation tints) in association with tetraedrite/tennantite subgroups (dark-grey), and chalcopyrite, in a matrix of dolomite and quartz (dispersed light internal reflections). Polished section, vertically reflected light digital image in air, with crossed polarizers. G. Grundmann ...

© Günter Grundmann, Detmold.

Pseudomorphism probably after titanite consisting of a fine-grained framework (grey) of partially oriented “leucoxene” (= rutile and/or anatase) lamellae in association with arsenopyrite crystals (bright) and tetraedrite/tennantite subgroups (light-grey) in a matrix of dolomite and quartz (dark-grey). Polished section, vertically reflected ...

© Günter Grundmann, Detmold.

The microstructure of Ni-As mineralization from the Zinkwand area. Highly porous rubble breccia consisting of strongly fractured, granular to fan-shaped aggregates of nickeline (bright orange to pinkish), partially replaced and/or cemented by palisades of rammelsbergite (pure creamy white), encrusted by extremely fractured nickelskutterudite ...

© Günter Grundmann, Detmold.

2.2 x 1.3 x 1.1 cm. A very rare sample of the nickel arsenic sulfide gersdorffite from the type locality in Austria. The species was first reported in the 1840s. This specimen is filled with micro crystals of silvery-grey colored metallic gersdorffite on matrix. This piece is accompanied by a classic label from Czech mineral specialist, Josef ...

© Rob Lavinsky & MineralAuctions.com

The microstructure of Ni-As mineralization from the Zinkwand area. Highly porous rubble breccia consisting of strongly fractured, granular to fan-shaped aggregates of nickeline (bright orange to pinkish), partially replaced and/or cemented by palisades of rammelsbergite (pure creamy white), encrusted by extremely fractured nickelskutterudite ...

© Günter Grundmann, Detmold.

Meneghinite is SEM-EDS analysed by F.Bernhard (Graz). Chris Auer photo and collection (ex J.Metzger coll., found 1990)

© AC

The microstructure of Ni-As mineralization from the Zinkwand area. Highly porous rubble breccia consisting of strongly fractured, granular to fan-shaped aggregates of nickeline (Nc - bright orange to pinkish), partially replaced and/or cemented by palisades of rammelsbergite (Rmb - pure creamy white), encrusted by extremely fractured ...

© Günter Grundmann, Detmold.

The microstructure of Ni-As mineralization from the Zinkwand area. Highly porous rubble breccia consisting of strongly fractured, granular to fan-shaped aggregates of nickeline (Nc - bright orange to pinkish), partially replaced and/or cemented by palisades of rammelsbergite (Rmb - pure creamy white), encrusted by extremely fractured ...

© Günter Grundmann, Detmold.

Pseudomorphism probably after titanite consisting of a fine-grained framework (grey) of partially oriented “leucoxene” (= rutile and/or anatase) lamellae in association with arsenopyrite crystals (bright) and tetraedrite/tennantite subgroups (greenish-grey) in a matrix of dolomite and quartz (dark-grey). Polished section, vertically reflected ...

© Günter Grundmann, Detmold.

The microstructure of complex Ni-As mineralization from the Zinkwand area. Highly porous rubble breccia consisting of strongly fractured, granular to fan-shaped aggregates of nickeline (orange to pinkish), partially replaced and/or cemented by palisades of rammelsbergite (light grey), and/or encrusted by extremely fractured nickelskutterudite ...

© Günter Grundmann, Detmold.

The microstructure of Ni-Fe-As mineralization from the Zinkwand area. Clusters of arsenopyrite crystals (white with faint yellow tint) in association with radial clusters of löllingite crystals (cream to bluish white) and cracky aggregates of tennantite subgroup (medium grey), in matrix of dolomite and quartz (dark grey to black). Vertically ...

© Günter Grundmann, Detmold.

Chalcopyrite (yellow) in association with tetraedrite/tennantite subgroups (light-grey), and sphalerite (medium-grey) in a matrix of dolomite and quartz (dark-grey). Polished section, vertically reflected plane polarized light digital image in air. Width 0.5 mm. Ore microscopy illuminates the opaque grey ugly with true reflectance colours. ...

© Günter Grundmann, Detmold.

The microstructure of Ni-As mineralization from the Zinkwand area. Highly porous rubble breccia consisting of strongly fractured nickelskutterudite (Nskt - light greyish white) in matrix of calcite (dark grey to black). The extremely fractured nickel arsenides are sporadically cemented by fine-grained, porous aggregates of pyrrhotite (Pyh – ...

© Günter Grundmann, Detmold.

Pseudomorphism probably after titanite consisting of a fine-grained framework of more or less oriented “leucoxene” (= rutile and/or anatase) lamellae (yellow-brown internal reflections) in association with arsenopyrite crystals (dark-brown to blueish rotation tints) in a matrix of dolomite and quartz (dispersed light internal reflections). ...

© Günter Grundmann, Detmold.

Cluster of zoned gersdorffite crystals (cubic zonation outlined by partially spotty brownish to blueish tarnish) in association with arsenopyrite crystals (bright) and tetraedrite/tennantite subgroups (grey), and very minor chalcopyrite (yellow). Polished section, vertically reflected plane polarized light digital image in air. Ore microscopy ...

© Günter Grundmann, Detmold.

Cluster of arsenopyrite crystals (bright) in association with tetraedrite/tennantite subgroups (grey), and minor chalcopyrite (yellow), in a matrix of dolomite and quartz (dark-grey). Polished section, vertically reflected plane polarized light digital image in air. Width 1 mm. Ore microscopy illuminates the opaque grey ugly with true ...

© Günter Grundmann, Detmold.

Cluster of arsenopyrite crystals (bright), in association with sphalerite (blueish-grey) and tetraedrite/tennantite subgroups (light-grey), and very minor chalcopyrite (yellow), in a matrix of dolomite and quartz (dark-grey). Polished section, vertically reflected plane polarized light digital image in air. Width 0.5 mm. Ore microscopy ...

© Günter Grundmann, Detmold.

The microstructure of Ni-As mineralization from the Zinkwand area. Highly porous rubble breccia consisting of strongly fractured, granular to fan-shaped aggregates of nickeline (Nc - bright orange to pinkish), partially replaced and/or cemented by palisades of rammelsbergite (Rmb - pure creamy white), encrusted by extremely fractured ...

© Günter Grundmann, Detmold.

Gersdorffite from the type locality. Chris Auer photo and collection (ex J.Metzger coll., found 1990)

© AC

The microstructure of Ni-As mineralization from the Zinkwand area. Highly porous rubble breccia consisting of strongly fractured, granular to fan-shaped aggregates of nickeline (Nc - bright orange to pinkish), partially replaced and/or cemented by palisades of rammelsbergite (Rmb - pure creamy white) and encrusted by nickelskutterudite (Nskt - ...

© Günter Grundmann, Detmold.

Hörnesite is SEM-EDS analysed. Chris Auer photo and collection (ex J.Metzger coll., found 7/1997)

© AC

Arsenopyrite crystals (bright) in association with tetraedrite/tennantite subgroups (grey), and minor chalcopyrite (yellow), in a matrix of dolomite and quartz (dark-grey). Polished section, vertically reflected plane polarized light digital image in air. Ore microscopy illuminates the opaque grey ugly with true reflectance colours. G. ...

© Günter Grundmann, Detmold.

Specimen on public display of the Universalmuseum Joanneum Graz; pic made through glass; Chris Auer photo taken in 2022

© AC

The microstructure of Ni-As mineralization from the Zinkwand area. Highly porous rubble breccia consisting of strongly fractured, granular to fan-shaped aggregates of nickeline (strong brown, blue, greenish to slate grey anisotropy), partially replaced and/or cemented by palisades of rammelsbergite (strong dark brown to blue anisotropy, with twin ...

© Günter Grundmann, Detmold.

Cluster of arsenopyrite crystals (bright) in association with tetraedrite/tennantite subgroups (grey), and minor chalcopyrite (yellow), in a matrix of dolomite and quartz (dark-grey). Polished section, vertically reflected plane polarized light digital image in air. Width 1 mm. Ore microscopy illuminates the opaque grey ugly with true ...

© Günter Grundmann, Detmold.

Copper-red Nickeline (ID on label: Rotnickelkies) associated with dark grey Nickelskutterudite (ID on label: Chloanthite) and minor green Annabergite. Acquired from Remco Vinken (FinkMinerals) on Catawiki on 18 March 2025.

Arsenopyrite crystals (bright) in association with tetraedrite/tennantite subgroups (grey) in a matrix of dolomite and quartz (dark-grey). Polished section, vertically reflected plane polarized light digital image in air. Ore microscopy illuminates the opaque grey ugly with true reflectance colours. G. Grundmann collection and photo.

© Günter Grundmann, Detmold.

Cluster of arsenopyrite crystals (pinkish-brown to blue-grey rotation tints) in association with tetraedrite/tennantite subgroups (dark-grey), and minor chalcopyrite, in a matrix of dolomite and quartz (dispersed light internal reflections). Polished section, vertically reflected light digital image in air, with crossed polarizers. G. Grundmann ...

© Günter Grundmann, Detmold.

Pale copper red, fine-grained, granular aggregates of nickeline in association with fine-grained gersdorffite (steel grey) in matrix of dolomite and quartz (white to light greys). G. Grundmann collection and photo.

© Günter Grundmann, Detmold.

Euhedral to subhedral, partly fractured löllingite (bright) with interstitial calcite (dark), which contains some slightly darker muscovite inclusions. SEM image (BSE mode). This sample was described in: Kolitsch, U. (2020): 2181). Allanit-(Ce) und Klinozoisit in Löllingit-Massiverzen von der Zinkwand, Schladminger Tauern, Steiermark. Pp. ...

© Uwe Kolitsch

The microstructure of Ni-Fe-As mineralization from the Zinkwand area. Clusters of arsenopyrite crystals (Apy - white with faint yellow tint) in association with clusters of löllingite crystals (Lö – cream to bluish white) and cracky aggregates of tetraedrite/tennantite subgroups (medium grey), in matrix of dolomite and quartz (dark grey to ...

© Günter Grundmann, Detmold.

Pseudomorphism probably after titanite consisting of a fine-grained framework of partially oriented “leucoxene” (= rutile and/or anatase) lamellae (yellow-brown internal reflections) in association with arsenopyrite crystals (dark-brown to blueish rotation tints) and tetraedrite/tennantite subgroups (dark grey isotropic) in a matrix of ...

© Günter Grundmann, Detmold.