***ZERO (0) COST IS NOT SALE PRICE AS PAR CLIENT DEMAND PRICE VARIATION*****Adularescence (The Floating Sheen):** This is the internal billowy or "floating" blue to white light effect. It is caused by the way light interacts with microscopic, alternating internal layers of Orthoclase and Albite feldspar. Your stone exhibits an exceptional, deep, "high-blue" adularescence.