Quartz

Quartz

The most common mineral – the chemical compound is quartz - a compound of silicon with oxygen in the most common form known as ordinary sand with a very simple chemical formula – SiO2. It is obvious, if we include, że tlen i krzem

What are the rocks made of

What are the rocks made of?

Once we got to know macrobudics, rock macrostructure, we wanted even deeper knowledge. We started looking for an answer to the question, what the rocks are made of. We discovered elements and chemical compounds, i co ważniejsze-zaczęliśmy je stosować

Jadeite – nephrite

Peoples of the East, instead of flint, they used jade for their tools, hard, and at the same time very impact resistant, crushing and smashing. Today jade – two metal silicate: sodium and aluminum – it is a decorative stone, najczęściej w różnych

Rocks and minerals

The earth's crust is made of rock masses. The highest mountains in Poland - the High Tatras and the Karkonosze Mountains in the Sudetes made of granite, The Eastern Tatras and the limestone belt between Kraków and Częstochowa, the highest parts of Lysogória are made of quartzites, rzadkie

Color according to physics

Color according to physics.

Physicists approached the issue of colors quite differently. They took it as a starting point, that color is an objective property of bodies, something that can be measured or weighed, similar to how the dimensions or weight of this book are measured. …

What is color?

What is color?

Why are tomato and ruby ​​red, sky, blue sapphire and lapis lazuli, leaves of the trees, emerald, malachite and green jade, and turquoise greenish blue? This was the question the ancient Greeks asked themselves. Już wówczas zastanawiano

Other optical properties

Other optical properties

Luminescence is called the phenomenon of "cold", i.e.. without increasing the temperature, body glow under the influence of various factors. Depending on the type of source that excites the glow, different types of luminescence are distinguished, like photoluminescence, wywołaną światłem dziennym