Pyrite Clusters on Basalt From Navajun, Spain

A world-class cluster of perfectly terminated cubic Pyrite crystals, interlocked on it's natural basalt matrix. This is an extremely large and unique piece - as less than a handful a...

Several large cubic pyrite crystal across intergrown perched on Basalt matrix. The pyrite crystals have smooth faces and sharp edges, stands upright nicely without additional support...

Sharp cubic metallic pyrite crystal in tan-colored Basalt matrix. The pyrite crystal has smooth crystal faces with almost mirror-like luster, stands upright nicely without additional support. A must-have for any collection, these unique formations are formed through a process of precipitation and crystal growth within sedimentary and metamorphic rocks, taking millions of years and resulting in nearly perfect cubic-shaped crystals. Exhibiting unique cubic-shaped crystals that have taken millions of years to form a part of a complex geological process, this mineral is a must-have for any collector. Each tan-colored Basalt matrix hosts a sharp, metallic pyrite crystal that boasts of near-perfect cube shape with smooth, mirror-like luster. Due to its smooth crystal faces, this mineral stands...

Three large cubic pyrite crystal across intergrown perched on Basalt matrix. The pyrite crystals have smooth faces and sharp edges, stands upright nicely without additional support. ...

A large pyrite cluster specimen originating from Peru, displayed on one of our exclusive museum-quality painted plaster bases. Naturally formed over millions of years, this huge pyr...

Peruvian pyrite bust of a human skull. Pyrite was given the name "Fool's Gold" by prospectors having mistaken it for gold in the 19th century. Its current namesake is derived from t...

Product Information: Specimen Type: Emerald Crystals on Calcite Weight: 3 grams Dimension: H: 2 x W: 1.5 x D: 1 cm Origin: Swat Valley, KPK Province, Pakistan Treatment: None Descr...

This formation of massive, beautifully formed, incredibly gemmy calcite crystals characteristic of the Chengzhou location came out of the ground over a decade ago and will make a cla...