Alteration of lazulite - Freßnitzgraben, Krieglach, Styria, Austria


         
Description:  Pale grey quartz with greenish-yellow aggregates of muscovite + apatite.
A pale blue lazulite domain is also altered to similar fine-grained muscovite + apatite.
Lazulite and muscovite + apatite aggregates are later crosscut by thin veinlets containing black apatite.
Locality: Wegscheidkreuz, Freßnitzgraben, Krieglach, Fischbacher Alpen, Styria, Austria.
References:
Sample details: Collected 19.3.1995. Polished slab. Field of view 6 cm. Sample AN223 (FG003).
last changes: 23.6.2005


Enlargement of  2-stage lazulite alteration.
Field of view 2.6 cm.