Onyx primarily refers to the parallel banded variety of chalcedony, a silicate mineral. 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 colors of its bands range from black to almost every color.

Hearts will vary in size and pattern due to the nature of the Onyx stone. Hearts will be approximately 2 inches long.

2 Inches long

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