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And further, where the splinters of diamonds,
or boarty stuff, were chiefly met by
the diggers, there was much less presence
of limey matter in the claim at the section
of it where such broken or fragmentary
diamonds were found; and that chiefly
from among what the diggers termed
‘clay-ballast,’ or ‘burnt brick,’ were unearthed [26] the bits or undeveloped crystals so
plentiful at New Rush.” [3] In the first days of diamond mining
there was no idea that diamantiferous
earth extended to any particular...