Take a look at the related link I have included below. It is very informative and explains how marble rock is formed and what it comprises of.
Agate :D
Coal.
I thought marbles were made of glass. But try Agate, a silica mineral.
limestone and pentelic marbles
Some are marble but most are wood.
well..... I belive a nice well.... .solid rock , maybe boulder was used. But they would MAKE the points by taking the horn of a buffalo and carving the rock.
A metamorphic rock used to be a different rock type, typically sedimentary.
Marbles are generally made from recycled glass. However they are occasionally made of plastic. (These are mostly used in board games and such). Mike
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.
because ages ago they used to use marbles instead of glass balls.
No
the rock amber which is used to make jewelery is yellow but it also has some hints of orange in them.