Zebra stone — specimen 0655, photo © NMNHS

Zebra stone — specimen 0655

Origin

Oceania

Australia, Western Australia, Kimberley, Kununurra

Zebra stone — specimen 0655, locality map

Data

Weight: 23.50 ct; size: 29.92 | 19.67 | 5.94 mm; shape: pear; colour: medium light orangey red; very slightly brownish; clarity: opaque; cut: good; treatment: none.

Notes

Clean specimen; cabochon type cut.

More information from ‘Classification’

Zebra stone

A sedimentary rock; commercial name for a banded brown and white siltstone found mostly in the Kimberley region, Western Australia. The deposit is 600 million years old. The dark spots are coloured by hematite.