ONYX MARBLE
Mineral characteristic.
Marble Onyx - Onyx did not, and kind of banded marble, soft ornamental material. Onyx marble - rock wandering origin, consisting of calcite (calcium carbonate CaCO3) or aragonite organic, dense fine-grained or coarse-grained, often with a layered or radiating structure is clean and uncontaminated colors. Its specially impregnated with salt solutions and annealed.
Dark green onyx marble obliged color to the high content of magnesium and copper impurities, light green - copper and iron. Yellow, brown or red marble onyx is caused by impurities of iron oxides. There are clear variations that show through to a depth of 3-4 cm and have a subtle pattern in the form of alternating bands. Chalcedony onyx unlike marble onyx does not react to acid. In particular, marble onyx highlights bubbles of carbon dioxide in acetic acid or acidic wine and loses its external presentation. All classifications stones onyx and marble onyx used today belong to different groups, and they are separated by one or two orders of magnitude. Marble onyx - ornamental stone.
The magical properties of stones.
What do you think of old, in the house where there is Onyx, the love and the fun does not stop ever. It removes any negative person, especially if it is held between the palms. Drinking from onyx ware strengthens friendship and love between people. Restriction: you can not pour into a bowl of marble onyx anything sour or wine, because it will destroy the stone. Ideal for desktop appliances, candlesticks and miniatures.
Marble onyx. Karlyuk, Kugitang-tau, Turkmenistan, CIS. Photo: © AA Evseev.
Toxic and hazardous radioactive rocks and minerals
** - Poisonous stones and minerals (obligatory check in chemical laboratory + clear indication of toxicity).
** - Radioactive rocks and minerals (obligatory check on a regular dosimeter + ban on the open sale of radioactivity in the event of more than 24 mR / hour + additional measures to protect the population).
All rare stones should always be checked on a regular dosimeter on the permissible level of radiation and a chemical laboratory in the absence of toxic and volatile components which are hazardous to humans and the environment.
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