Covellite
Indigo-blue metallic covellite, pseudomorph after chalcopirite XX, with quartz
11x8cm
Laki mine, Rhodope Mt., Plovdiv Oblast Bulgaria
Specimen n.401

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Fluorite
Octahedral XX, max edge 0.4cm. The XX are opaque and bright, typical but not common, from this granodiorite quarry with hydrothermal veins of carbonates and fluorite-baryte mineralization. The pinkish XX, particularly clear in the left, is laumontite that - I have been told - is common in this quarry. There are some elongated brown calcite XX with 2nd generation calcite
8.5x6cm
Litice nad Orlici quarry, Zamberk, Bohemia. Czech Rep.
Specimen n.421

Another photo: bigger view on piece