Rare and elegant Mexican Psilomelane freeform beads (ETB00854)


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Psilomelane, also known as black hematite, is a group name for hard black manganese oxides such as hollandite and romanechite. Psilomelane consists of hydrous manganese oxide with variable amounts of barium and potassium.


Dimensions of beads:

Size: 10 x 18 x 4.5 - 11 x 25 x 5.5 mm (21 PCS)
- this is only an approximate, the size varies slightly

Length: 8.5 inches
Finishing: Polished

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