Lemon Quartz Sterling silver pendant and 20 inch chain necklace

This necklace was purchased from an estate and is in excellent pre owned condition showing little to no signs of wear.  Big lemon quartz gemstone in a rhodium plated over sterling silver prong setting. Sterling silver chain measures 20 inches with a spring ring clasp. Likely vintage. Yellow lemon quartz is a natural quartz that's been treated for color. 925 STS Reasonable offers considered