Weight 8.9 Ounces
Dimension: 3.7 Inches Long. 2.8 Inches Wide, & 1.1 Inches Thick
The Item pictured is the one you will receive.
Onyx is a banded variety of the oxide 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.