This website uses cookies
By clicking on "accept" you agree that this website uses "cookie" technology. Your web browser stores a random but unique string that allows this website to recognize when a user returns (anonymous, as long as no data has been entered in our order or contact form). This technology is vital for the proper functioning of this website, e.g. that language selection and shopping cart remain when a new page is opened.
Data policy



Order items by
Pyrargyrite, Silver, Arsenic
Uranium Mine No. 19, Dubenec, Příbram, Central Bohemia Region, Bohemia, Czech Republic

Item-No.: 0300205
Price: 100.00 EUR 

Synonyms:  Löffelkobalt, Native Arsenic
Classification:  Elements, Arsenic group
Chemical formula:  As
Crystal system:  Trigonal
Density (g/cm3):  5.63 - 5.78
Tenacity:  Brittle
Cleavage:  Perfect, perfect basal on {0001}, fair on {0114}
Fracture:  Irregular/Uneven
Hardness (Mohs):  3,5
Colour:  Tin-white, tarnishing to dark grey or black
Lustre:  Metallic, Dull
Streak:  Grey



TOPGEO Mineralienhandel GmbH
Dr. Petr Zajicek
Commercial register:
HRB 671194 Amtsgericht Ulm
VAT-Id: DE147815490
Gersbach 10
74589 Satteldorf
Telephone: +49 7950 1345
Telefax: +49 7950 8483
eMail: |