Might be easier to read this chart---------------------------------------------------------------------------
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Kimberlite Diamonds in Square Mesh Sieve Sizes Total
Sample Weight (microns) Diamond
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+850 +1180 +1700 +2360 +3350 +4750
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GBF(1) 47 t 240 114 22 5 1 1 383
2.84ct 3.45ct 1.82ct 1.17ct 0.40ct 2.39ct 12.07ct
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Garnet
Lake(2) 727 Kg 10 4 2 - - - 700
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Notes: (1) 47 tonne sample crushed in 2 stages to liberate commercial size
diamonds greater than 0.85mm.
(2) Total diamonds recovered by caustic fusion from 18 Garnet Lake
dike samples.