0.00 $
 0 item(s)

Polyhedra in nature

tetrahedron antimony sodium sulphate

In the natural environment, regular polyhedra can be found in the form of crystals (minerals).

The form of the tetrahedron is transmitted by antimony sodium sulfate.

octahedron rough diamond
Even a rough diamond clearly conveys the shape of an octahedron. After grinding, the stone corresponds exactly to the geometric shape of the octahedron.
treated diamond octahedron
perovskite molecule octahedron
The perovskite molecule structure, the chemical formula is CaTiO3, exactly corresponds to the correct polyhedron.
perovskite octahedron
Spinel octahedron
Spinel. The stone got its name from the Latin "Spinella" - a small thorn.
Spinel octahedron
salt crystals cube
Cube - single-crystal combines the crystals of salt NaCl.
salt crystals cube
Pyrite crystal dodecahedron
The pyrite crystal (pyrite FeS) is in the form of a dodecahedron. Pyrite (from the Greek. "Pir" - fire) - sulfurous iron or pyritic sulfur, the most common mineral from the sulfides group. The size of pyrite crystals reaches several centimeters.
boron crystal icosahedron
Bor - has the shape of an icosahedron.
 

 

Polyhedra in nature. Part 2

 

Popular

Polyhedra at a science festival

The festival of fascinating science was held in Moscow on April 24 and 25, 2015, at the physics...

Multifaceted hearth

For a primeval man, fire once became a new form of social life. The night ceased to be an...

Novotalitskaya school

Under the guidance of Tatyana Yurievna Timofeyeva, a teacher of mathematics, the guys worked on the...

Polyhedra in architecture. Alexandria Lighthouse

The Lighthouse of Alexandria, one of the Seven Wonders, was built in the 3d century BC in an...

Polyhedra in a computer game

It is not often possible to encounter polyhedra outside of math textbooks. Even though such...

Polyhedra for the New Year's fairy tale

Make the New Year's holiday beautiful and unusual, so that the children saw in him a fairy tale,...

Children's playground

Summer is the time you want to spend outdoors. At the desk, the children will sit down in...