This collection features 17 natural specimens of black tourmaline, also known as schorl, associated with feldspar. The specimens display characteristic elongated prismatic crystals with pronounced longitudinal striations and contrasting light-coloured matrix. The collection includes individual terminated crystals and crystal groups, offering a variety of shapes and natural formations. The combination of dark tourmaline and pale feldspar creates an attractive contrast for mineral displays and collecting. Collection Details Mineral: Schorl (black tourmaline) with feldspar Quantity: 17 specimens Colour: Black to dark blue-black with white or cream matrix Crystal habit: Elongated prismatic crystals with striations Features: Terminated crystals and feldspar association Total weight: 57 g Individual Weights and Dimensions No. Weight Dimensions 1 6 g 33 × 10 × 7 mm 2 5 g 32 × 13 × 9 mm 3 4 g 20 × 15 × 9 mm 4 5 g 21 × 13 × 7 mm 5 3 g 25 × 10 × 7 mm 6 4 g 37 × 9 × 6 mm 7 6 g 28 × 14 × 12 mm 8 3 g 32 × 12 × 7 mm 9 3 g 33 × 6 × 5 mm 10 2 g 22 × 13 × 6 mm 11 3 g 16 × 11 × 7 mm 12 2 g 23 × 5 × 5 mm 13 3 g 22 × 10 × 10 mm 14 2 g 17 × 13 × 8 mm 15 2 g 28 × 5 × 5 mm 16 1 g 18 × 9 × 5 mm 17 1 g 25 × 5 × 3 mm Condition: Natural mineral specimens. Please inspect the photographs for the exact appearance and condition of each piece. The photographs show the actual specimens offered in this lot. Their distinctive crystal terminations, striated surfaces and feldspar associations make them appealing additions to a mineral collection. Locality: Not specified. Please add locality details only if documented.