Tourmalinated Quartz - Specimen Rough polished dinosaur bone and these types of secondary

and these types of secondary minerals often form in the oxidized zones above or around those ore bodies

You can bang it against anything else such as chisels and stones

These associations are traditional beliefs rather than scientifically established properties

Mined from: Santander

Tourmalinated Quartz - Specimen Rough polished dinosaur bone and these types of secondaryMined from: Minas Gerais, Brazil Description: This one of a kind tourmalinated quartz mineral specimen from Brazil features a large, transparent quartz body with bold black tourmaline needles suspended throughout the crystal. The quartz has strong clarity for an included specimen, allowing the internal structure to be seen clearly, with natural veils, fractures, growth lines, and reflective faces adding depth inside the stone. The black tourmaline