Berthierite 2.80 ct.
Berthierite
Is an iron antimony sulfide with formula FeSb2S4 and hardness of 2.5-3.It is very similar to stibnite,but crystals are not flexible like stibnite.Unusual,difficult to cut.
It comes from Neue Hoffnung Gottes Mine,Bräunsdorf,Freiberg,Erzgebirge,Saxony,Germany.
Size: 9x8.9x6.3 mm.
Weight: 2.80 ct.
CODE#5054
- Origin
- Germania