Fluorite QR

Fluorite QR

and when exposed to the elements over a long period of time can change into the closely related malachite

and as a precious metal for thousands of years

Natural copper is relatively soft and often found in intricate and unique structures

Pure fluorite is clear

From the Upper Ordovician Period - Ashgill Stage - Ktaoua Formation

fluorite specimens have been prized since ancient times and are now among the most popular minerals in the collecting world

These specimens of Mosasaur (Mosasaurus anceps) teeth are embedded in matrix

and is one of the more common gems although pieces of exceptional hue and clarity are considered fairly rare and can be extremely valuable

This preglabellar ring (head shield) is covered in many sensory pits which may have held hairlike features when the trilobite was alive

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

The unique combination of smoky

pyrite is an abundant sulfide mineral that despite some similarities can easily be distinguished from actual gold by its crystal form (typically cuboidal) and being much harder whereas gold is soft and malleable