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Different types of crystals.
The man looks out the window,his sheet on him falling snowflakes.
Snowflakes under a microscope,their shape.
Trees in the snow,freezing branch.
The crystal lattice of ice.
Ice melts on branch.
Frosty pattern on the window,ice crystals
Scientist stirs the salt in the test tube and examines a drop under icroscope.
The formation of salt crystals.
Salt mine,miner drilling formations,salt is carried in the trolley.
Crystals of various chemical elements.
Scientist takes off the face of the assistant to a drop of sweat, and examines under the microscope.
The growth of crystals by microscope
Key wordsGermany, natural phenomena, forest Germany, scientists, laboratory, mine, miners
A piece of quartz.
Quartz cut on the machine to the bars.
The use of quartz in electrical engineering.
Experiments with quartz,a test of strength,the rotation.
The use of crystals in radio.
A woman puts a record on the turntable,drops the needle.
Crystal processing with high temperature.
In the form of grown artificial rubies,sapphires, etc.
Treatment of stones in the machine,grinding.
Woman trying on ring
Key wordsGermany, scientists, industry, jewelry, women, the test