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Kinsley Armelle Druzy Silver Jade Quartz Drop Earrings! Stunning Silver Ion These are absolutely gorgeous earrings. They are brand-new and will come in velvet gift pouch! Stone: Druzy Royal Purple Quartz Style: Drop Material: Silver Ion Plated Stainless Steel Hypoallergenic (Sensitive Skin Friendly) Size: 2.5 Inches Length x 0.5 Inch Width Weight: Medium What Is Quartz? Quartz is a hard, crystalline mineral composed of silicon and oxygen atoms. A semi-precious gemstone, it is the second most abundant mineral in the Earth's continental crust. The Ancient Greeks referred to quartz as "icy cold" because some philosophers believed the mineral to be a form of supercooled ice. Today, the term rock crystal is sometimes used as an alternative name for the purest form of quartz.