Multiple Choice
Minerals in geodes (see below) form spectacular euhedral crystals because ____________. 
A) all of the elements incorporated in the crystals are in plentiful supply
B) the crystals have abundant room to grow in their hollow surroundings
C) minerals within geodes are always framework silicates
D) minerals within geodes always contain iron
Correct Answer:
Verified
Correct Answer:
Verified
Q4: The internal ordering of mineral crystals is
Q5: Two types of bonds that depend upon
Q32: Cleavage in minerals refers to _.<br>A)a tendency
Q33: Which of the following minerals is softest?<br>A)quartz<br>B)calcite<br>C)talc<br>D)fluorite
Q40: Some gemstones are simply prettier versions of
Q42: Which two gems are special versions of
Q44: Minerals are classified into groups known as
Q47: The most abundant minerals belong to a
Q48: Diamonds are usually found in pipes 50
Q50: Why might diamonds be found in other