Flash Rose Gold:
Smoky Quartz is a grey and translucent variety of quartz. It ranges in clarity from almost complete transparency to a brownish-gray crystal that is almost opaque. Like other quartz gems, it is a silicon dioxide crystal. It was not commonly used in the ancient times, but it has recently become a popular gemstone used for jewelry.
Flash Rose Gold is similar to rose gold coating; the difference being flash rose gold has a thinner layer of rose gold than the average rose gold plating and making it more cost-effective.