WOLFRAMITE
\wˈʊlfɹɐmˌa͡ɪt], \wˈʊlfɹɐmˌaɪt], \w_ˈʊ_l_f_ɹ_ɐ_m_ˌaɪ_t]\
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a mineral consisting of iron-manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks
By Princeton University
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a mineral consisting of iron-manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks
By DataStellar Co., Ltd