| Title | Comment | Keywords |
|---|---|---|
| Physical Properties of Minerals | 09:44 - 10:16 (00:32) / 0.9 MB | "James Sadd", mineral, "physical property", "chemical composition", "crystal structure", color, cleavage, luster, "chemical reaction", "mineral identification" |
| Mineral Luster | 11:54 - 12:22 (00:28) / 0.4 MB | "James Sadd", luster, feldspar, muscovite, galena, pyrite, "metallic mineral", "physical property", "mineral identification", mineral |