Argentite, Argentopyrite

1,645 / $1,870

AVAILABLE

Top specimen consisting of lustrous argentite crystals, in some parts covered by smaller argentopyrite crystals, all together overgrown to quartz matrix. High quality aesthetic historical find.

 

Formula:

Ag2S

AgFe2S3

Group:,
Group:

Sulfides

Country:

Locality:

Freiberg, Himmelfahrt mine

Dimensions:

4,6 x 3,5 x 2 cm

Color:

Zodiac:

Aries, Taurus, Capricorn

Zodiac:, , ,
Categories: Minerals, SKU: JL068
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Free postage for CR from 3000 CZK and for SK from €.

Description

The name “argentite” refers to the high-temperature form of sulfide, which is only stable when silver above 177 ° C. It is a black substance, insoluble in water.

Argentopyrite is named for its relationship to pyrite and silver content. It forms columnar crystals or granular aggregates of brown color. It occurs as crusts of ehedral crystals formed in hydrothermal veins.

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Additional information

Formula:

Ag2S

AgFe2S3

Group:,
Group:

Sulfides

Country:

Locality:

Freiberg, Himmelfahrt mine

Dimensions:

4,6 x 3,5 x 2 cm

Color:

Zodiac:

Aries, Taurus, Capricorn

Zodiac:, , ,
Categories: Minerals,