Shark Teeth in Large MatrixSharks shed thousands of teeth in their lifetime, these lucky chompers were buried beneath the ocean floor so they could fossilize over thousands of years. This process is called permineralization, these shark teeth are still partially set in rock matrix. Sold individually, the fossil you receive may not be the one depicted in the image. Length: 4. 25 in 5. 25 in Width: 3. 25 in 4. 75 in Height: 2. 25 in 2. 5 in Weight: 14. 7 oz 26. 6 oz