Benz Calcite Opal Metacanthian Trilibite from the Mid

Metacanthian Trilibite from the Mid Devonian Period

and under optimal conditions these insects will be clearly visible within the fossilized amber pieces

Fluorite has long been used as a gemstone and is increasingly popular in the market

in iron smelting and other metallurgy

Benz Calcite Opal Metacanthian Trilibite from the MidA relatively new and exciting addition to the mineral world, the so called Benz calcite comes from specific formations in Hubei, China, where some truly impressive specimens like this very rarely emerge from the mines. These incredible collectors pieces each one of a kind feature massive semitransparent calcite crystals, many of which feature coatings of fine, incredibly brilliant pyrite and chalcopyrite. The Benz part of the name comes from the tip