Why Will an Iron-Rich Olivine Have a Higher Density Than

question 72

Multiple Choice

Why will an iron-rich olivine have a higher density than a magnesium-rich olivine?

• A)More magnesium is needed to equal the same atomic charge as iron.
• B)Iron-rich olivine has smaller crystals, so more of them will fit into the same area.
• C)Magnesium-rich olivine has more silicon, which is less dense.
• D)Iron has a greater atomic mass than magnesium and therefore is heavier.

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