“Typical wollastonite-bearing calc-silicate rock from Stanzen quarry, consisting mainly of elongated Wollastonite porphyroblasts (bright yellowish and grey), in fine-grained matrix of diopside and calcite (various interference colors). Thin section, transmitted light digital image, with crossed polarizers, width of image 8 mm.
G. Grundmann collection and photo.
”
Dr. Günter Grundmann - 3rd April 2023