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.
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Minerals at Kirchberg: Apophyllite Calcite Hauyne Hyalite Melanite Natrolite and ?? |
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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. See:http://mineralogicalrecord.com/labels.asp?colid=544 |
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Top:
Hyalite with Calcite. Field of view about 15 mm.
Left
:Natrolite, specimen of 30x40 mm, collected by Klaus
Petitjean, 1987
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Melanite-crystals. Detail of the specimen at left. Field of view about 6 mm. | Melanite, 30x40 mm specimen. Collected by Klaus Petitjean, 1987. |