Black Tourmaline fish fossils with a fibrous or columnar

with a fibrous or columnar structure

Multiple crystal points grow together on a shared base

often with a brown or gray matrix

Size: 10x4 cms

This formation features a striking pattern of cracks and cavities

Black Tourmaline fish fossils with a fibrous or columnarSize: 4 x 4. 5 x 4 Cm (Avg) Weight: 150 300 Gram Avg Location: India Product Description Black Tourmaline is a deep black boron silicate mineral known for its natural striated crystal structure. This material features a polished top head while retaining its natural rough body, highlighting both the crystal texture and polished finish. Sourced from India, it has a hardness of 77. 5 on the Mohs scale, making it durable for display and decorative use.