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You Searched For : chalcocite djurleite bornite [0,0,0]
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Bornite over pyrite - Milpillas mine - Cuitaca - santa Cruz Municipality - Sonora - Mexico
(#GM23027)
A thin dark layer of bornite covers the surface of the pyrites visible on this specimen.
On the main one (18 mm.) there are some small areas where the golden yellow color of the underlying pyrite can be seen.
The matrix is ...
Specimen weight:120 gr.
Crystal size:--
 Overall size:57mm x 34 mm x 48 mm
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Chalcocite and calcite - Idaho Springs Distr. - Clear Creek Co - Colorado
(#GM22060)
Some dark grey crystals of chalcocite are stunning over the matrix that is covered by greyish crystals of calcite.
Specimen weight:75 gr.
Crystal size:mm. 8
Overall size:50mm x 27 mm x 10 mm
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Chalcocite with Quartz - Dzhezkazgan Mining District ("Dzhezkazgan Mine"), Karaganda Region, Kazakhstan
(#BALD0638)
Exceptionally shiny and well formed crystals, that cover all the matrix. There is a carpet of little colorless and brilliant Quartz's crystals. A very fine specimen of this species from Kazakhstan.
Specimen weight:135 gr.
Crystal size:Up to 14 mm
Overall size:67mm x 42 mm x 39 mm
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Chalcocite - Bouismas Mine - Bouismas - Bou Azzer Distr. - Tazenakht - Ouarzazate Prov. - Drâa-Tafilalet Region - Morocco
(#GM18066)
Several dark grey colored crystals of chalcocite are in good evidence all around this specimen: they have metallic reflections too.
Some of them have a perfect shape ...
Specimen weight:315 gr.
Crystal size:mm. 16
Overall size:80mm x 65 mm x 55 mm
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Chalcocite - Bouismas Mine - Bouismas - Bou Azer distr. - Tazenakht - Ouarzazate prov. - Souss-Massa-Draâ Region - Morocco
(#GM15161)
A really new that I presented on my table in Munich !!
A new found of chalcocite from Bouismas, a mineral that is really rare in Morocco.
This specimen is ...
Specimen weight:20 gr.
Crystal size:mm. 20
Overall size:28mm x 21 mm x 12 mm
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Owner : GMineral (Voghera - Italy)