Highly Transparent Quartz Tower with Black Tourmaline Needles – 700 g Specimen of the highest quality quartz, polished into a tower shape to showcase its exceptional transparency. Inside the crystal, striking black tourmaline needles are clearly visible, intersecting in multiple directions. Natural fractures reveal how the tourmaline crystallized step by step within the quartz mass. This fascinating interplay between crystal-clear quartz and contrasting inclusions makes the piece both a scientific rarity and an aesthetic masterpiece. Shape: Irregular hexagonal point with a height of 170 mm, width of 55 mm, and depth of 42 mm.