This is very nice natural Black Tourmaline Crystal in its natural matrix with quartz from Afghanistan. A beautiful specimen. The is a small sub mineral that coates the bottom which sparkles silver. I believe it is pyrite.
Size: 1.75" long and 1.3 wide ( 4.4 cm tall and 3.3 cm wide )
Weight: 42.7 gm ( 1.5 oz )