Pietersite Rectangle Cabochon Montana Elrathia kingii ranks among the

Elrathia kingii ranks among the most common and widely collected trilobites globally

it reveals a stunning crisscross pattern called the Widmanstätten pattern

Split your block down gradually — the thinner the split

or panthera spelaea

Campo del Cielo meteorites are a collection of meteorites found in a 18

Pietersite Rectangle Cabochon Montana Elrathia kingii ranks among theWeight: 5. 9g (29. 5ct) Approx. measurement: 30mm 18mm Pietersite, also called "eagle's eye," was named in honor of Sid Pieters who discovered it in 1962 in Namibia, Africa. Pietersite is a trade name for a dark blue grey breccia aggregate made up mainly of hawk's eye and tigereye. It is a variety of chalcedony (itself a variety of quartz) with embedded fibers of amphibole minerals in varying degrees of alteration. The fibers cause a blue chatoyancy