GOLD SILVER QUARTZ HIGH GRADE ORE SULPHIDE SPECIMEN 46g
The ore are thin low
sulphidation epithermal quartz veins of Neogene age (11-16 mil. years)
hosted in andesite or quartz-diorite porphyry, very rich on gold (assays
are typically >100g/t Au and >100 g/t Ag, sometimes even 1000 g/t
Au). This specimen is a piece of the quartz vein material, rich on Gold silver chalcopyrite, galena and sphalerite.
Gold in the ore is free and occurs as microspic inclusions in sulphides (visible gold is very rare).
Seller:
justswprise2011
US $ 2 (oct. 2012)
Nenhum comentário:
Postar um comentário