• Four views of option A, a wedge-shaped chunk of matrix with radial patterns of pyrolusite on several sides, and thin veins of it in places.
  • A pyrolusite specimen in a wood shelf in front of a succulent.
  • A small pyrolusite specimen with good fanning
  • Four views of option B, a triangular piece of matrix with one face almost entirely covered with fanning pyrolusite.
  • Four views of option C, a roughly rectangular piece of matrix with one half of the main face covered with fibrous pyrolusite.
  • Four views of option D, a roughly rectangular piece of matrix covered with radial pyrolusite on the two main sides
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Small pyrolusite

Small pyrolusite

$8.00 USD
$8.00 USD
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Locale: Sidi Ayed, Fès-Meknès Region, Morocco

Approx size & dimensions:

A  2.5 x 1 x 1, 65g
B  1.25 x 1 x .75, 12g
C  2.25 x 1.25 x .75, 40g
D  2.25 x 1.25 x .5, 60g

 

Pyrolusite forms radial fanning patterns with silvery metallic luster. The mineral is frequently sold as stibnite; the two are mineralogically unrelated despite the quite similar appearance. Pyrolusite is a manganese oxide mineral and member of the rutile group, whereas stibnite is a sulfide mineral.

Brittle/staining warning: Pyrolusite can be powdery and leave residue when handled.

The background model is Huernia zebrina.

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