Olivine Green & AB Dentelle Flowerette Brooch by D&E

Found this wonderful large impressive brooch a the local thirft store recently - what a surprise to find it is a :
Olivine Green & AB Dentelle Flowertte Brooch by D&E, and is found on the website "Is It Juliana reference # 5214"

the large center stone is called a DENTELLE stone (A type of faceting of glass stones that forms an eight-pointed star design) which I think is a TOURMALINE (A gemstone found in a wide range of colors, including blue, red, pink,GREEN , BROWN & YELLOW) (as well as pink and green in the same crystal (known as watermelon tourmaline). ((terms new to me)) The brooch is also accented with olivine green and AB rhinestones.
The brooch measures approx. 3 inches by x 2 3/4 inches.