but it was not clear how this glass formed. Guido Giordano and colleagues analyzed fragments of glass sampled from inside the skull and spinal cord of a deceased individual from Herculaneum ...

but it was not clear how this glass formed. Guido Giordano and colleagues analysed fragments of glass sampled from inside the skull and spinal cord of a deceased individual from Herculaneum ...

A unique dark-colored organic glass, found inside the skull of an individual who died ... but it was not clear how this glass formed. A sample of the organic glass under direct light.