Valuable & Semi-valuable stones12 Dec 2012
- Written by Saonl
CARE OF PRECIOUS AND SEMI-PRECIOUS STONES
Every precious and semi-precious stone should be used, processed, transfered and placed with special manners depending by its natural forms. The proper care of a stone guarantees its stability preservation. The most dangerous for precious and semi-precious stones are sudden strokes, scratching and extreme conditions like heat, cold, exposion to sunlight and dangerous chemicals.
To keep a precious or semi-precious stone look excellent the stone should be cleaned either with supersonics or steam. For more sensitive stones, soap and water should be used only.