Silver Ore with unid black metallic mineral Colorado, USA Dimensions: 4.0 x 3.7 x 2.9 cm
Comes with original old tag.
An intriguing historic silver-ore specimen from Colorado, carrying an unusually sculptural assemblage of dark metallic mineralization across a pale crystalline matrix. Numerous black, radiating tufts and compact sprays are distributed across the surface, while a larger curved aggregate provides a particularly distinctive focal point.
The precise identity of the dark metallic mineral has not been confirmed, so it is intentionally left unidentified rather than assigning a species from appearance alone.
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Returns
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