because ages ago they used to use marbles instead of glass balls.
because quartz is an abrasive and abrasive is used in cleaning
The material used to manufacture piezoelectric crystals is quartz. Wrist-watch crystals are often made of quartz. Quartz is a transparent mineral. The statement "There are four quartz in an imperial gallon" is faulty, and logically meaningless.
Quartz
Quartz
I thought marbles were made of glass. But try Agate, a silica mineral.
I think it is quartz and marbles
Quartz is used in timepieces such as watches or clocks.
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.
Epoxy will work for any kind of stone.
Marbles are usually made of glass( The kind you play with).
technically, quartz is not a rock. it is a mineral. quartz can be found in any type of rock
yes, quartz is used in watches and the quartz watches are known as best watches in the world
because ages ago they used to use marbles instead of glass balls.
No
Quartz is a mineral composed of silicon and oxygen, SiO2.
because quartz is an abrasive and abrasive is used in cleaning