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RM2604   Quartz, var. Jacinto de Compostela, in gypsum
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Classic pineapple of hematoid quartz, var. Compostela hyacinth, with good brilliance, complete and in a gypsum crystals matrix.


Size: 7.2 x 4.5 x 4.2 cm.
Main crystal: 3.6 cm. aggr.
Found in ±2016

Classic locality
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RM1877   Digenite pseudomorph after pyrite
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hese specimens are showing a complete pseudomorph of digenite (trigonal, Cu9S5) after pyrite (cubic, FeS2). We can see that crystals preserve the original cubic shape, with slightly curved edges and faces partially covered with greenish-colored malachite. A Spanish curiosity for pseudomorph lovers. We will send analysis to the buyer.


Size: 4.2 x 3.8 x 3.4 cm.
Main crystal: 3 x 3 mm.
Found in 2017.

Analyzed specimen with report


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RM1796   Digenite psedomorph after pyrite

These specimens are showing a complete pseudomorph of digenite (trigonal, Cu9S5) after pyrite (cubic, FeS2). We can see that crystals preserve the original cubic shape, with slightly curved edges and faces partially covered with greenish-colored malachite. A Spanish curiosity for pseudomorph lovers.


Size: 5.2 x 2.8 x 2.5 cm.
Main crystal: 5 x 4 mm.
Found in 2017.

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RM1795   Digenite pseudomorph after pyrite
More photos

These specimens are showing a complete pseudomorph of digenite (trigonal, Cu9S5) after pyrite (cubic, FeS2). We can see that crystals preserve the original cubic shape, with slightly curved edges and faces partially covered with greenish-colored malachite. A Spanish curiosity for pseudomorph lovers.


Size: 5.1 x 4.4 x 2.8 cm.
Main crystal: 3 x 3 mm.
Found in 2017.

Sold