Pilot Mine, Nanisivik Mine, Nanisivik, Baffin Island, Nunavut Territory, Canada

20.6 x 15 x 7.2 cm
8.1 x 5.9 x 2.8 in

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A large museum sized specimen compose primarily of thin, bladed crystals of Marcasite which have pseudomorphed to Pyrite. There have been a number of Pyrite specimens from this location which were identified as pseudomorphs but were actually elongated Pyrite crystals. This is the real deal exhibiting the bladed habit often seen in Marcasite. The terminations exhibit the notched habit also seen with Marcasite. The surfaces have a bright metallic golden luster. There are also small off white colored Dolomite crystals scattered around the specimen. On the bottom of the specimen, there is a mounded knob of these Dolomite crystals (not shown in photos). There are a number of Quartz crystal most of which are partially transparent with a gray coloration. There is one notable Quartz crystal which is water clear on the bottom of the specimen which can be seen in the third photo. There are also a few honey colored Calcite crystals present.

Condition: Good

Flaws: Some of the bladed Marcasite crystals appear to have broken before altering to Pyrite.

This mineral is also found in the following galleries: Minerals From Canada | Sulfides and Sulfosalts | Carbonates | Calcite | Quartz | Pseudomorphs | Minerals Priced Between 200 and 299 Dollars