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| Obsidian |
Structural volkanic volcanoes formed mineral stones. The volcanic explosion as a result of the hot magma layer of the earth, out of solidification is formed as a result. The color of the reason with him some of the black velvet he name takmistirlar. Obsidian stone most tutlan species on the stone, white stains "snow-grained" offline obsidyendir. Snow-grained at the same time "the purity of the stone" is also known as.
