Problem 16.10 a diamondiferous lamproite is ultrapotassic and has a molar k,o/na,o ratio of 11. f the na,o content of the rock is 0.62 wt %, the k,o content is

Problem 16.10 A diamondiferous lamproite is ultrapotassic and has a molar K,O/Na,O ratio of 11. f the Na,O content of the rock is 0.62 wt %, the K,O content is wt o (anSwer in one decima! place; molecular weight of Na,O = 61.98, and K,O = 94.20). JAM 2018)