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Arsenopyrite 3.0″ x 2.0″

$79.99

Arsenopyrite is often silver-white in color, it  has a metallic luster that is eye catching.  Often collected for its unusual arsenical chemistry.

 

 

Locality: Yaogangxian Mine, Yizhang County, Hunan Province, China

 

SKU: ARS1. Tags: .

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ARSENOPYRITE

 

HISTORY, NAME, LOCALITIES: Arsenopyrite, pronounced arr-sen-oh-PIE-rite, has since antiquity served as a source of the element arsenic.  Its name was assigned in 1868 as a contraction of the traditional term “arsenical pyrite,” referring to any arsenic-bearing, sulfide mineral generally similar in appearance to pyrite.  Arsenopyrite, the most abundant arsenic-bearing mineral, is widely distributed with important sources located in China, Russia, Namibia, Morocco, Australia, Peru, Bolivia, and the United States (Wisconsin, Arizona, Nevada, Colorado, Idaho).

 

MINERALOGY, PROPERTIES, OCCURRENCE: Arsenopyrite [iron arsenic sulfide, FeAsS] crystallizes in the monoclinic system as distinct, prismatic crystals with diamond-shaped cross sections and dome-shaped terminations.  It is opaque with a bright, metallic luster.  Its silver-white to steel-gray color tarnishes to dark gray.  Arsenopyrite has a Mohs hardness of 5.5-6.0, distinct cleavage in one direction, and a specific gravity of 5.9-6.2.  It occurs most commonly in hydrothermal veins in association with such minerals as quartz, pyrite, and chalcopyrite.  Arsenopyrite is toxic because of its arsenic content; never heat or crush arsenopyrite, and always wash hands after handling specimens.

METAPHYSICAL PROPERTIES, LORE, USES: Arsenopyrite is one of the few common minerals that have not acquired metaphysical significance, probably because it contains the “dark” element arsenic.  It is a former ore of arsenic.

 

COLLECTORS’ INFORMATION:   Arsenopyrite is collected for its unusual arsenical chemistry, distinct crystal shapes, metallic luster, silver-white color, and frequent association in composite specimens with quartz and pyrite.

SKU: ARS1 Tag: .

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