CKKK+temporary+4.3

This is a temporary space for C.K.K.K. 4.3. Only some vocabulary words are available in this page. There are words which only word is available and not the meaning. Thank you for your cooperation.
 * Section 3 (4-3) Mineral Resources**


 * Vocabulary**

gemstone- a mineral that has color/s and it is very hard. ore- a mineral that can be used to different things such as metals. smelting- a process that separates the useable metal from the other non-useful elements from ore. alloy- a metal which is mixed by some other minerals or metals.