Diamonds Are Usually Found in Pipes 50 to 200 M

Q41: Diamond and graphite are both polymorphs of

Q42: Which of the following minerals is hardest?<br>A)quartz<br>B)calcite<br>C)talc<br>D)fluorite

Q43: Topaz,with Mohs hardness of 8,is twice as

Q44: The most recently formed portion of any

Q45: The vast majority of mineral types _

Q47: Natural glass is NOT considered a mineral

Q48: Trace amounts of impurity in a mineral

Q49: Minerals are classified into groups primarily on

Q50: Minerals utilized by humans as a source

Q51: The shininess of a mineral is a