How To Wire A Small Aluminum Boat How Can You Separate Small Pieces Of Aluminum From Gravel?

How can you separate small pieces of aluminum from gravel? - how to wire a small aluminum boat

With only the following:

Filter Funnel
Filter paper
Erlenmeyer
Glass vase
A magnet
Evaporation Pond
Apparatus
Paper chromatography
Gauze
Sieve (preferably)