04988 - Well Crystallized Acicular Brochantite with Quartz from South Morocco Crinoids At the bottom of the

At the bottom of the piece a casting has been made for its greater protection

Bonaparte 1999

Therefore this type of teeth is everyday more scarce

It preserves at least 7 teeth in its original position

The different Geological Formations that make up the orography of the Cretaceous in the South East of Morocco have been mostly treated in an undifferentiated and not too accurate way by collectors

04988 - Well Crystallized Acicular Brochantite with Quartz from South Morocco Crinoids At the bottom of theBrochantite is a sulfate mineral, one of a number of cupric sulfates. Its chemical formula is Cu4SO4(OH)6. Formed in arid climates or in rapidly oxidizing copper sulfide deposits. Crystals of brochantite can range from emerald green to black green to blue green, and can be acicular or prismatic. Brochantite is often associated with minerals such as malachite, azurite, and chrysocolla, and may form pseudomorphs with these minerals. Brochantite is a