Cutting up rocks for spheres generates plenty of chunks and pieces. Let's take a look.
Marbles Playlist: • Marbles
00:00 A pile of saw scraps
00:20 Epidote
01:10 Rhyolite
01:57 Marble
02:31 Feldspar
02:59 Beryl
03:11 Jasper
03:24 Porphyry
03:55 Chert
04:28 Milky quartz
04:43 Quartz in basalt
05:27 Quartz
06:12 The whole gang
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