Beautiful tear drop amethyst pendant wire wrapped in stainless steel 316. 

The pendant hangs on an 18” stainless steel chain. 

Stainless steel is resistant to corrosion compared to most of the other typical metals that are used in jewelry making

Another aspect that makes stainless steel popular is that it stands up well to everyday wear and It doesn't scratch easily and can hold up well to the sun and water.
Stainless steel is durable and resists oxidation and it not rust, tarnish, or turn your skin green, even if worn daily.