Hexagonal System
Three out of the four axes are in one plane, of the same length, and intersect each other at angles of 60 degrees. The fourth axis is of a different length and intersects the others at right angles.
Based on a hexagonal (6-sided) inner structure.
Crystal shapes include:
- Four-sided prisms and pyramids
- Twelve-sided pyramids
- Double pyramids
Common Hexagonal Crystals:
Beryl |
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Goshenite |
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Zincite |