Big Chunk of Black Tourmaline with Moonstone cab in Tibetan Silver Pendant. nice silverwork with lotus flower on back. Natural tourmaline crystal shape is somewhat triangular in width. 2 1/4 inch long without bale, x 1 1/8 inch wide at top. Labradorite cab has lots of sheen in a nice white color. cab is 3/8 x 1/2 inch