If you are looking for old ones, try your local antique shop. Also, you can try going to auctions, flea markets, yard sales. Online auctions will have them, too.
One possible way to separate wooden marbles from glass marbles is by using a magnetic field. Since wooden marbles are typically not magnetic, while glass marbles are also not magnetic, one can use a strong magnet to attract and separate the wooden marbles from the glass marbles. The magnet will attract the wooden marbles while the glass marbles will remain unaffected and can be easily sorted out.
Glass.
Marbles are usually made of glass( The kind you play with).
because ages ago they used to use marbles instead of glass balls.
They were made of glass and poorer Victorians had clay marbles.
Marbles became very popular during the Victorian age. At that time many children from poorer families could not afford to buy glass marbles. So, many poorer children used salvaged metal ball bearings, which had become increasingly available because of industrialisation. These ball bearings were referred to by many children as 'Ballies' or "Bollies.' I assume that the letter 'B' was simply dropped, for differentiation purposes, when the name was extended to include glass marbles.
CaCO3 (Calcium Carbonate)
You can buy 102 cat eye marbles at family discount.
It varies; depending on the size of the marbles
Marbles are named because of their function and not what they are made of. Marbles can be make from any substance that holds a spherical shape.Now, and historically, marbles have been made of Glass, Ceramic and stone etc.The most common substances used are the ones which have useful weight.
Marbles originated in ancient Rome and Egypt and were made from marble (rock). However this was expensive so people tried to find alternatives and in 1846 a German glass blower invemnted a marble made from glass.
I thought marbles were made of glass. But try Agate, a silica mineral.