ግምታዊ ረብ igneous ዓለት ብዙውን ጊዜ የጌጣጌጥ ብዙ ቅንጣቶች ጨምሮ ብርቅ ማዕድናት የያዙ (ለምሳሌ: ቢረሌ: chrysoberyl, feldspar, ኳርትዝ, spessartite Garnet)
igneous thanthwe la phindu coarse zambiri munali mchere kawirikawiri, kuphatikizapo mibulu yaikulu ya miyala yamtengo wapatali (mwachitsanzo, kulusolito, chrysoberyl, feldspar, khwatsi, spessartite garnet)