smˈɔːl ɡɹˈeɪnz wɜː fˈaʊnd ɛmbˈɛdᵻd ɪn mˈæskɐɡnˌaɪt sˈoːɹst fɹʌm fjˈuːmɚɹˌoʊlz æɾ ˌævɐtʃˈɪnski, ɐ vɑːlkˈeɪnoʊ ɪn ɹˈʌʃəz kˈæmtʃætkə pənˈɪnsjʊlə ðæt kæn ɹˈiːtʃ tˈɛmpɹɪtʃɚz ʌv .
Small grains were found embedded in mascagnite sourced from fumaroles at Avachinsky, a volcano in Russia's Kamchatka Peninsula that can reach temperatures of .