Meanings (ES + gloss)
cuarzita
A metamorphic rock from sandstone, consisting of interlocking grains of quartz.
Following the course of the river from New Ulm to Fort Ridgely, there are several exposures of reddish-brown “granite” or quartzites, which has been quarried in a few places, but I…
The stone experimented upon being of the hardest and toughest kind the effect is not seen for several strokes ; but within two minutes, during which the writer watched the experime…
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