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These unfinished basalt vessels from an Iron Age workshop at Tel Hazor bear the marks of the basalt-carving process. The Iron Age crafts seem to have been luxury items for the elites. Photo: Courtesy Danny Rosenberg.

These unfinished basalt vessels from an Iron Age workshop at Tel Hazor bear the marks of the basalt-carving process. The Iron Age crafts seem to have been luxury items for the elites. Photo: Courtesy Danny Rosenberg.

1 posted on 02/12/2018 8:26:49 PM PST by SunkenCiv
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To: SunkenCiv
The textured surfaces (readily visible on the lower objects in the photo) reveal what I expected: a "Pecking + Grinding" process at work.

For hard, granular materials like basalt, the best (at least, the fastest-working) shaping strategy is to

1) Pound or "Peck" the surface to weaken and introduce microfractures

2) Grind or Scrape away the weakened material...

3) Repeat on "high spots" as many times as necessary...

3 posted on 02/13/2018 9:34:41 AM PST by TXnMA (MSM? No, thanks -- I prefer my news from the other end of the horse...)
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