Aragonite, Bilina, Czechia pyramid A small grouping of green

A small grouping of green fluorite cubes with classic color for the Chinese locale

The rich and diverse world of fluorescent minerals is explored in this sweeping survey

Mineral collecting by amateur "rockhounds" has never been more popular

while Quartz amplifies energies focused through it

The red color in the orbs is caused by hematite staining of the feldspar

Aragonite, Bilina, Czechia pyramid A small grouping of greenAragonite Bilina, Teplice District, Usti nad Labem Region, Czechia Ex. Greg Boles Collection 33 x 12 x 8 mm Mounted In A Standard Perky Box This mineral specimen is from the collection of Gregory Boles. Greg has had a lifelong passion for collecting minerals and other geological items. His hobby started at an early age in 1956 and continues to this day. Greg's enthusiasm for science led him to receive a BS in geology from the University of Kansas in