Opal occurrence, Kohfidisch, Oberwart District, Burgenland, Austria
Opalised wood, a closeup on fragment of the root system of tree fern?
© J.Kornaga
Csaterberge, Kohfidisch, Oberwart District, Burgenland, Austria
Peter Huber photo, collection of Simone & Peter Huber
Peter Huber photo, collection of Engelbert Zmarits
Unnamed serpentinite quarry, Kohfidisch, Oberwart District, Burgenland, Austria
Thin layers of manganese oxide crusts (dark grey, on limonite) covering greenschist rock.
Opalised stems of reeds
Fresh water opals from opal occurence of Kohfidisch
Bluish chalcedony thin crusts
Chrysotile coming from quarry wall
Chalcedony thin crusts
Fragments of opalised wood
© Takehiro Touge
Large clusters of fine and fragile serpentine minerals well exposed on rock portions built of serpentinites
Opalised wood, a closeup
Chalcedony filling the emptiness of the rock
Globular form of colourless opal inside empties of opal matrix
Opal occurrence Hoch-Tschater-Berg Photo by Alfred Passath in March 2015
© Alfred Passath
Crushing and sorting plant, before entering to the quarry
An old mining greeting GLÜCK AUF on the wall of a wooden shed
Opal field with numerous, but overgrown depressions and holes after extraction of jasper and opal
Kohfidisch, Oberwart District, Burgenland, Austria
Dauerausstellung des Steinmuseums im Zentrum von Kohfidisch mit einem Opalfelsenblock
One of the curiosities of the quarry
Klein-Csater-Berg, Csaterberge, Kohfidisch, Oberwart District, Burgenland, Austria
Steinmuseum mit stein raritaten in Kleincsaterberg
A wooden shed in the Bauern Wald forest as part of the mining history of the region
Gravel pits, Kohfidisch, Oberwart District, Burgenland, Austria
The one of gravel pitches in Kohfidisch
View on quarry walls
GLÜCK AUF