Store › Gemstone Purple Flower Necklace Image 1 of 3 Image 2 of 3 Image 3 of 3 Gemstone Purple Flower Necklace $30.00 Made with blue topaz 10 mm & white agate 3×6 mm. Features purple enamel flowers. 20” in length. Add To Cart Added! Made with blue topaz 10 mm & white agate 3×6 mm. Features purple enamel flowers. 20” in length.