Minerals in different seasons

Published January 08, 2017

Minerals in different seasons

Are minerals changing in different seasons? Do they live as lived annual plant, or more like a perennial conifer? Of course, we want to say: no, minerals the dead, lifeless, and do not change in different seasons. But the answer will be ill-advised, as many minerals are formed and changed in certain times of the year...

Oolites and pisolites

Published March 12, 2017

Oolites and pisolites

In the Czech Republic, in the famous resort of Karlovy Vary, so-called "pea stones" form in hot springs. Oolites and pizolites are formed in the mobile aquatic environment of carbonic mineral "brook" or in caves. A grain of calcium, aragonite, etc., begins to grow on a grain of sand that serves as the center of crystallization, etc. The grit freely rolls along the bottom, and the "shirt" of the mineral increases evenly, and the spherical shell can have its own color shade...

Growth of crystals

Published May 24, 2017

Growth of crystals

The growth of crystals and the mechanism of formation of aggregates from them in many respects is essentially different. Therefore, consider the growth of crystals from the point of view from simple to complex. With the growth of flat layers, atoms, ions or crystal molecules are deposited on the faces in such a way that they lie parallel to the base, that is, the corresponding face...

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