84
Transition Metals
This mineral’s
colour changes
to purple when it is
exposed to bright light.
Black silver sulfide
forms twisted crystals.
1 g (0.03 oz)
of silver can be
drawn into a 2-km-
(1.2-mile-)
long wire.
The bright surface tarnishes
after reacting with air.
47 47 61
State: Solid
Discovery: c. 3000 bce
Forms
A
ca
nt
hit
e
Pyr
arg
yri
te
Ch
lo
ra
rg
y
ri
te
Ch
unk
Silver
Ag
47
Silver gets its symbol “Ag” from its Latin
name argentum, which means “shiny white”.
It is considered a precious metal because its
pure form has a grey shine that does not
corrode quickly, and it stays untarnished if
cleaned regularly. Silver can be found pure in
nature, but mostly it is mined from ores, such
as pyrargyrite and acanthite. Because this
element is valuable and can be moulded easily,
pure silver was used historically to make coins.
This metal is also ideal for making bracelets
and settings for gems. Some people even use
These large
opaque
cr ystals have a
glistening sheen.
of (^) s
ilve
r
084-085_Silver.indd 84 12/12/16 5:38 pm