based on the weight of your choosing

is a mineral that belongs to the borate mineral group

Bead Size: 13x9 to 21x12mm

1 carats  incl

Pyrite Crystal Cluster | 185.7 Grams | Eagle X Mine, Colorado Classic Prehnite based on the weight ofCubic and crystallized pyrite matrix with Marmatite and Quartz crystal cluster. Some of the more important Colorado localities for specimens of well crystallized pyrite include mines at cli max, Gilman, Leadville, Rico, Ouray, Telluride, Creede, Alicante, Alice, and State Bridge. Specimens from each of these localities often have distinctive crystal habits and mineral associations. The Eagle mine is probably best known for its pyritohedral Pyrite