Zebra "Onyx" Triceratops Moss Agate Hand selected by the geologic

Hand selected by the geologic miner from the Otonogan mine right here in Michigan

These pieces are polished into the shape of a skull

Estimates suggest they grew to be between 15 and 18 meters in length

This Aquamarine With Muscovite & Feldspar is from the Sichuan Province

Zebra "Onyx" Triceratops Moss Agate Hand selected by the geologicPolished and hand carved zebra "onyx" triceratops. Measuring 6 inches in length, 3 inches in height, and 1. 5 inches in width. Weighing 0. 8 pounds. Customer will receive the exact piece pictured. By trade name only, this "onyx" is actually calcite since it fizzes with hydrochloric acid solution.; The rock industry leaves the naming to the miners and lapidary shops who classify most calcites with with waves and lines as "onyx". We know, a little