
Most common type of material used for jewelry is BRASS
( We have learnt that in previous lesson! )

Brass is made from copper and zinc
(mixed of 2 alloy metal)

Causes skin allergies

Color changes over time
But why is gold much better than other materials?
Let’s take a look at the differences!

Some other metals can cause allergies too such as itching, blister and rash!
(some sensitive skin might even be allergic to 14k gold due to the impurities)





