Ταξινομικός αριθμός:
Native Elements
D57 (19)
D57 (19)
Συστηματική ταξινόμηση:
Native Elements
Όνομα:
Native Gold
Μεταφρασμένος τίτλος:
Native Gold
Προέλευση:
Siebenburgen, Romania
Περιβάλλον γένεσης:
Quartz veins and alluvial deposits. Gold occurs in significant amounts in three main types of deposits: veins of hydrothermal and related origin; in consolidated placer deposits, and in unconsolidated placer deposits. It may also occur in granitic pegmatites, in contact metamorphic deposits, and in hypo-thermal deposits. It is commonly found as disseminated grains in Quartz veins with Pyrite and other sulphides, or as rounded grains, flakes or nuggets in placer deposits and in streams and rivers.1) Primary hydrothermal veins
Περιγραφή:
Quartz veins and alluvial deposits.Gold occurs in significant amounts in three main types of deposits: veins of hydrothermal and related origin; in consolidated placer deposits, and in unconsolidated placer deposits. It may also occur in granitic pegmatites, in contact metamorphic deposits, and in hypo-thermal deposits. It is commonly found as disseminated grains in Quartz veins with Pyrite and other sulphides, or as rounded grains, flakes or nuggets in placer deposits and in streams and rivers.
Χημικός τύπος:
Au
Σύστημα κρυστάλλωσης:
Isometric
Κρυσταλλικό σχήμα:
Hexoctahedral
Μόνιμη διεύθυνση:
Ψηφιοποιημένο υλικό 1
1
Φωτογραφία
uoadl:167321
Αριθμός φωτογραφίας:
1
