visualizzazioni
9:39
Mineral identification using Luster, Color, Streak, Hardness and Breakage
4:30
Mineral Identification...Cleavage vs. Fracture
19:17
Rock and Mineral Identification
8:27
Quick Mineral Identification
3:26
MINERALS for Kids - Classification and Uses - Science
4:56
Mineral Identification: Hardness
4:10
ROCKS and MINERALS for Kids - What are their differences? - Science for Kids
2:24
Identifying rocks & minerals using the Mohs hardness test
