Proustite

2,272 / $2,582

AVAILABLE

High-quality druse of red proustite crystals. Aesthetic historical specimen.

Formula:

Ag3AsS3

Group:,
Group:

Sulfides

Country:

Locality:

Schlema, Sachsen

Dimensions:

4,9 x 4 x 3 cm

Color:

Zodiac:

Gemini, Cancer

Zodiac:, ,
Categories: Minerals, SKU: JL070
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Get / $ off 1st purchase.
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Free postage for CR from 3000 CZK and for SK from €.

Description

Proustite is a sulfide of silver and arsenic. Named by François S. Beudant in 1832 in honor of Joseph-Louis Proust. Red, exposed to light turns dark, gray to black. They form columnar polar-terminated crystals of the arch or scalenohedral type.

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Additional information

Formula:

Ag3AsS3

Group:,
Group:

Sulfides

Country:

Locality:

Schlema, Sachsen

Dimensions:

4,9 x 4 x 3 cm

Color:

Zodiac:

Gemini, Cancer

Zodiac:, ,
Categories: Minerals,