Tiffany Opal Betrandite Slab! Lapidary Stone Slab! Fossil Wood though some fractures are detectable

though some fractures are detectable in a couple chunks

With this material as rare as it is

It often has a nice coloration of black

this is not high-grade sheen

Here is a fantastic flatrate of Indonesian Fossil Coral showing an awesome selection of colors and Coral pattern

Tiffany Opal Betrandite Slab! Lapidary Stone Slab! Fossil Wood though some fractures are detectableTiffany Stone is a form of Opal and Bertrandite, and is a super rare lapidary material from Utah. It is generally a purple, white, and black opal, but it can also more rarely have blue and orange! To my knowledge, it is now a private government owned mine, with Tiffany Opal being mined and crushed for the precious Bertrandite beryllium metal within! Beryllium is often used in aerospace and rocket manufacturing, due to it being a light weight metal