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Antique sterling silver black Onyx stone pin brooch with gold elements 925

Antique sterling silver pin brooch
black onyx stone with gold elements

sterling silver hallmark: 925
dimensions 50 mm x 20 mm
weight 4.6 g
Condition - see photos

Collectable great gift idea


Onyx primarily refers to the parallel banded variety of the silicate mineral chalcedony. Agate and onyx are both varieties of layered chalcedony that differ only in the form of the bands: agate has curved bands and onyx has parallel bands. The colours of its bands range from black to almost every colour.

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