Weight is just over 14.9 oz or 426 grams. Measures about 3" x 2 5/8" x 1 3/4".
You receive the exact one in this photo as always in my listings.
Please note that this crystal is natural and they all have variations in them and "imperfections"
*Black Tourmaline is a protective stone which repels and blocks negative energies and psychic attack. Black Tourmaline also aids in the removal of negative energies within a person or a space. Black Tourmaline will cleanse, purify, and transform dense energy into a lighter vibration*