|Mineral class||Sulphides : Argentite group|
|Habitus||Crystals rare, as pseudocubic crystal groups. Mostly as crusts, dendritic or in massive form.|
|Cleavage|| poor,  poor. Bendable, mallable and cuttable.|
|Hardness||2 - 2.5|
|Color||Led gray to black, opaque.|
|Occurance||Formed in low temperature hydrothermal veins.|
Often with dull black tarnish.|
When heated to glowth, metallic silver is formed.
Argentite is only stable above 179° C and is easily transformed into monoclinic acanthite. I haven't been able to find a definite reference on it, but it seems to be probably that argentite is always transformed into acanthite when the temperature drops.
Not an IMA approved mineral.
|Localities|| A rare mineral in Sweden.|
| To sulphides index.
|| Mineral group index.
If you have some questions, suggestions or comments you are welcome to write me a line or two.