Chalcanthite BIG blue crystal matrix Poland specimen copper sulfur like azurite

On my auctions you can find specimens of rocks, minerals and fossils from the region of Lower Silesia.
I sell my exhibits are owned and come from my private collections.
I send within 3 days of working
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Chalcanthite on matrix picture is example. S
pecimens have one big crystal and many smaler crystals
Chalcanthite (blue like linarite or zoisite(tanzanite), azurite or halite)
Lab grow, Poland
weight:
300-400 grams
x:
90-140 mm
y:
90-120 mm
z:
90-100 mm
Check my other lab-grow specimens
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