Arsenopyrite Crystals with “Coxcombe” Habits – Panasqueira

$32.00


1 in stock

Description

These arsenopyrite crystals are from the Panasqueira Mine РCouto Mineiro Panasqueira, Covilha, Castelo Branco District, Portugal. This is a large tungston and tin mine with four stages of minerallization including a sulfide stage containing arsenopyrite. It is a sulfide that contains the elements Fe, As and S. This specimen consists of clusters of complex, brass-silver colored, arsenopyrite crystals with some minor mica matrix. The crystals have a brass-silver color and sub-metallic luster. They have multiple serrated terminations and some form coxcomb formations. This piece measures  2 1/8 x 1 1/2 x 1 inches or 54 x 38 x 25 mm.

Additional information

Weight 10 oz

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