PEGMATIT (WRITING GRANITE, TEACHING STONE)
Characteristics of the mineral.
Mineral microcline with characteristic ordered dark inclusions of quartz is called graphic pegmatite or written granite (when cut at a certain angle it often reminds Arabian letters). It is used in artisanal decorations as inserts quite often, although it is an ornamental mineral. It can also be called a teacher's stone because of the similarity of its black-and-white (black-and-yellowish) picture with scribbles and records of students in the notebook.
Magic properties of stones.
Pegmatite (written granite or teacher's stone) is a powerful talisman and talisman for teachers, especially in primary and secondary schools - those who teach to read, write competently and count students. Helps the teacher to find a common language with the students and gain authority among them. This is also the stone of the educators of the older groups of kindergartens and tutors - they bring money and luck in business. Pegmatite is never able to harm anyone - it is a purely positive stone. A wonderful amulet for children of the older groups of kindergarten, primary and junior high school, who learn to read and write. For older children and teenagers helps to make the handwriting more beautiful and understandable. Makes children more plodding.
The stone helps to concentrate when passing exams and tests, helps to pass final exams and successfully enter educational institutions. The stone helps to eliminate mutual misunderstanding between the students and the teacher and to find a common language. The stone actively patronizes those who write diplomas, dissertations and scientific works. The larger and higher the target - the larger and more expressive the pegmatite should be. If it is enough for children to have a small pegmatite suspension, then for a scientist, a written instrument or a small pegmatite sculpture is a necessary attribute.
It was believed that in the pegmatite were written and encrypted the sacred letters of the Koran and the Old Testament. It was used by ancient Arab nationalities in order to improve the understanding of the literacy and sciences. A competent person from the Arabs ensured a rapid advancement on the administrative and service ladder at the expense of knowledge.
Microcline, quartz (graphic pegmatite). Ilmen Mountains, South Ural, Russia, CIS. Photo: © А.А. Evseev.
Orthoclase and quartz (normal-graphic structure). Housing No. (6) 17, Sahanay, East. Transbaikalia, Russia, the CIS.
Orthoclase and quartz. Graphic structure (boxy ichthyogliptes, Talacha, East Transbaikalia, Russia.) Photo: © AA Evseev.
Poisonous and radioactive dangerous stones and minerals
** - poisonous stones and minerals (mandatory check in the chemical laboratory + explicit indication of toxicity).
** - radioactive stones and minerals (mandatory check on the standard dosimeter + ban on open sales in the case of radioactivity over 24 milli / g / h + additional measures of population protection).
All rare stones are subject to mandatory inspection at the standard dosimeter for the permissible level of radiation and in the chemical laboratory for the absence of poisonous and evaporating components that are dangerous to humans and the environment.
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