impure azurite with green malachite veins plus weird mixtures of copper rust, greywacke and other rocks bits from mined miner mind practices in unknown regions of china.
many many unique beautiful hidden tunes,
to be discovered with further levigation with casein, water washing or grinding.
**be mindful working with any pigment dust that contains copper sulfate traces -can be toxic to the human organism in large doses.
~1-2drams, small dose