Excellent Quartz with Tourmaline Inclusion Gemstone from Brazil, 19.47 cts., 22x17 mm., Trapezoid ShapeGem: Quartz with Tourmaline Inclusions Weight: 19. 47 cts. Size: 22. 07 x 17. 84 mm. Color: Black and Colorless Clarity: I Cut: Trapezoid Locality: Brazil Treatment: None Brazil has a vast amount of fantastic inclusion gemstones, but good quality stones like this are more difficult to find. This stone features distinct black Tourmaline crystals, called Schorl, encased in excellent quality clear Quartz. The contrast of the black on white is very