A fine selection of natural black tourmaline (schorl) crystals, featuring well-defined prismatic structures and vertical striations typical of this mineral. This lot includes 6 individual crystals, some with partial terminations and others showing classic columnar growth. The deep black color with occasional brownish undertones and natural surface textures gives these specimens strong collector appeal. These crystals are ideal for mineral collectors, display pieces, or metaphysical use, and also suitable for educational and geological collections. Specifications Mineral: Black Tourmaline (Schorl) Pieces: 6 Color: Deep black with slight brown tones Crystal Habit: Prismatic / columnar Condition: Natural rough crystals