Rock Identification with Willsey: Sedimentary Rocks (Chert and Coal) Shawn Willsey 15:55 1 year ago 27 299 Скачать Далее
10-Minute Challenge! Flint-Knapping Chert From Start to Finish. Gulf Coast Knapping 11:43 1 year ago 159 487 Скачать Далее
Identifiying Flint Chert and other Sparking Rocks David Canterbury 7:29 13 years ago 548 144 Скачать Далее
Quartz, chalcedony, chert, jasper and agate: the differences between them! Craig McClarren 13:28 2 years ago 54 765 Скачать Далее
Rockhounding 101: What is Chert and Flint??? Ontario Rockhound 10:46 2 years ago 13 623 Скачать Далее
How To Find and Identify FLINT and CHERT in the WILDERNESS! Wilderness Quest Outdoors 22:23 3 years ago 177 470 Скачать Далее
What is the difference between flint and chert? Wilderness Quest Outdoors 1:22 2 years ago 2 323 Скачать Далее
A brief point about the availability of chert/flint. Malcolm P.L. 1:44 2 years ago 8 698 Скачать Далее
What are the differences between chert and quartz? Professional Geology Club 4:17 1 year ago 304 Скачать Далее
The Lost Bridge Of Chert - Forgotten Parts Of HWY 101 North Q. 4 T. # 564 By : Quest For Detail Quest For Details 26:52 3 years ago 6 845 Скачать Далее
How to Find Flint and Chert In Creeks and Rivers. Wilderness Quest Outdoors 17:16 3 years ago 32 044 Скачать Далее