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Allargentum/Dyscrasite/Silver - Bouismas Mine, Bouismas, Bou Azer District, Tazenakht, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco
(#:MINS7704)
The Allargentum appears intergrown with Silver and Dyscrasite. It is clearly differentiated and dominant in the analysis of the sample, so the right label is Allargentum. The Allargentum forms arborescent growths on a Calcite-rich matrix with small groups of Actinolite.
Formula :
Ag
1-x
Sb
x
System:
hexagonal
Hardness:
3½-4
Rarity:
rare
Strunz id:II/A.2-10 - SULFIDES
Name origin:
From the Greek άλλος ("allos") for "another" and latin argentum, "silver".
Specimen weight:45 gr.
Crystal size:Up to 2,0 cm
Overall size: 37mm x 37 mm x 20 mm
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