Multiple Choice
Using the Mohs hardness scale below,which of the following statements is NOT true? 
A) Your fingernail can scratch a sample of gypsum.
B) Diamonds are twice as hard as apatite.
C) Diamonds are more than seven times as hard as quartz.
D) Quartz cannot scratch anything made of steel.
Correct Answer:
Verified
Correct Answer:
Verified
Q3: Which of the following is a mineral?<br>A)
Q7: The atomic number of an element corresponds
Q22: The color of a mineral in powdered
Q30: Which of the following common minerals is
Q36: In silicate minerals,silica tetrahedra may be chemically
Q38: Which of the following is NOT a
Q39: The single property that can be used
Q41: Potassium feldspar (KAlSi₃O₈)is in which mineral class?<br>A)silicates<br>B)carbonates<br>C)oxides<br>D)sulfides
Q42: Which two gems are special versions of
Q45: Of the ~4,000 known minerals,the vast majority