Vintage Touchstone Smoky Quartz Necklace By Guess.

Item Description *** New WIthout Tags *** Brand: Guess. *** Quantity: One. *** Type: Necklace. *** Style: Vintage. -- About Smoky Quartz -- ** Smoky Quartz is a common mineral that ranges in shade from almost black to a lighter, smoky brown. ** If the stone is bleached by heat, sometimes a yellow color shoots through the mineral- these pieces are called citrine. ** In Scotland, smoky Quartz from a local mountain is a valued ornamental stone. ** Smoky Quartz is usually brown or gray ** Smoky Quartz usually has a vitreous (glass- like) luster. ** Like other quartz gems, it is a silicon dioxide crystal. The smoky colour results from free silicon formed from the silicon dioxide by natural irradiation. ** Necklaces 386 **