SOLD !
Coarse calcium sulphate - the red color comes from small amounts of iron.
Very large decorative step - a highlight in any collection.
Location was the Höllgraben near Werfen - province of Salzburg .
The site appears to be exhausted, as no new pieces have been seen on the market in recent years.
Weight: 2.20 kilogram
Dimensions: 27 x 17 x 7 cm
