Why do minerals form crystals?
Show answer & explanation
Answer: Atoms arrange in repeating patterns
Random chance arrangements — Wrong. Crystal formation isn't random—it follows specific atomic structures based on chemical bonding and energy minimization.
Atoms arrange in repeating patterns ✓ — Correct! When minerals solidify from liquid or gas, atoms arrange themselves in the most energy-efficient configuration—repeating geometric patterns. This creates crystal structures with flat faces and specific angles. Quartz always forms hexagons, halite (salt) forms cubes—predictable from atomic structure! It's chemistry creating geometry.
Magnetic forces align particles — Wrong. While some minerals are magnetic, crystal shapes are determined by chemical bonding geometry, not magnetic forces.
More Earth Science questions
- In folded Appalachians, why can one rock layer become a ridge while its neighbor becomes a valley?
- Loose material moves downhill from a fresh fault scarp, rounding it. What sets the smoothing speed?
- Why can a long active fault affect more river basins than a short one?
- Why does erosion happen faster near active faults than in areas with heavy rain?
- Why can quartz sand with beryllium-10 reveal how fast a whole river basin erodes?
- Earthquake shaking lasts seconds. How can it leave rock easier for later rivers to erode?