|Kirchberg bei Niederrotweil, Kaiserstuhl, Baden (Germany)|
At the Kirchberg is an abandoned quarry located, just south of Niederrotweil, which worked in a Hauyne-Phonolite- intrusion. It was closed about at 1970 and is now natural reserve area. It was famous to local collectors for (rare) Hauyne, Apophyllite, Hyalite, Melanite crystals, Natrolite and Calcite.
|Home||Rare blue Hauyne
from Kirchberg-Quarry. Field of view about 12 mm.
Top: Apophyllite on Natrolite. Field of view about 18 mm. Specimen of 5x9 cm with old label from about prior to 1920.
Top: Hyalite with Calcite. Field of view about 15 mm.
Left :Natrolite, specimen of 30x40 mm, collected by Klaus Petitjean, 1987
|Melanite-crystals. Detail of the specimen at left. Field of view about 6 mm.||Melanite, 30x40 mm specimen. Collected by Klaus Petitjean, 1987.|