pentagonal

Crystal Habits include the cube, octahedron and pyritohedron (a dodecahedron with pentagonal faces) and crystals with combinations of these forms.

The pentagonal shape of the building stood out among the other structures.

The garden had a beautiful pentagonal fountain at its center.

She drew a pentagonal star in her art class.

The soccer ball is made up of pentagonal and hexagonal panels.

The pentagonal table fit perfectly in the corner of the room.

The pentagonal garden design added a unique touch to the landscape.

The pentagonal tower loomed over the city skyline.

The pendant hanging from her necklace was pentagonal in shape.

The cake was decorated with pentagonal sugar crystals on top.

The pentagonal mirror reflected light in all directions.