From some book larnin' - black pumice = obsidian
Kick ass product plus pretty kewl bragging rights which is always nice.
Like the neem vs. karanja deal. Neem is so passé isn't it? But karanja imparts a certain mystery from Ancient India.
That's my read - LMAO
CC
I started bypassing neem once I got my hands on the karanja oil...started using it in household applications too. It's wild harvested by barefoot dudes in the hills of India brother...peace~love~organic gluten freeness doood.....