ROCKS and MINERALS for Kids - What are their differences? - Science for Kids Smile and Learn - English 4:10 3 years ago 454 962 Скачать Далее
Crystal & Mineral Education: BARITE (BARYTE) Malinda's Minerals 10:58 3 years ago 2 436 Скачать Далее
Crystal & Mineral Education: BIOTITE AKA BLACK MICA Malinda's Minerals 26:20 3 years ago 4 168 Скачать Далее
How to Interpret Mineral Exploration Maps and Sections with Dr. Rob Stevens (Ph.D.) MiningStockEducation.com 57:21 1 month ago 6 755 Скачать Далее
Mining For Beginners - How Does a Metals and Mineral Mine Work? Energy and Mining Innovation 9:23 1 year ago 74 199 Скачать Далее
Measuring Mineral Hardness #education #engineering #geology #experiment #science Soil Mechanics and Engineering Geology 0:05 9 months ago 71 010 Скачать Далее
