Shortly thereafter, this evolved into eight elements, with the Arabic concept of the three metallic principles: sulphur giving flammability or combustion, mercury giving volatility and stability, and salt giving solidity.
ʃˈɔːɹtli ðɛɹˈæftɚ, ðɪs ɪvˈɑːlvd ˌɪntʊ ˈeɪt ˈɛlɪmənts, wɪððɪ ˈæɹɐbˌɪk kˈɑːnsɛpt ʌvðə θɹˈiː mətˈælɪk pɹˈɪnsɪpəlz: sˈʌlfɚ ɡˈɪvɪŋ flˌæməbˈɪlᵻɾi ɔːɹ kəmbˈʌstʃən, mˈɜːkjʊɹi ɡˈɪvɪŋ vˌɑːlɐtˈɪlᵻɾi ænd stəbˈɪlᵻɾi, ænd sˈɔlt ɡˈɪvɪŋ səlˈɪdᵻɾi.