Series made in 1976 - Understanding the Earth. This series of episodes are dedicated towards minerals. It gives a great introducti Series made in 1976 - Understanding the Earth. This series of episodes are dedicated towards minerals. It gives a great introduction to minerals and crystal structure.
Minerals - Lesson 2 - Part 6 of 6
•32 shapes of crystals
•Different "shapes" or arrangement can be made with these 32 crystal shapes
•6 Crystal systems
•Cubic and Hexagonal illustrated
•Axis
•Quartz crystal shape -- 120degree sides
•Measuring angles is important with a Goniometer
•Preparation of a thin section
•Using polarization
•Interlocking of a igneous rock through a microscope
Thank you, MineGuy101.While the material is old(33 years ago), it was nonetheless enlightening.
globbo100 2 years ago
Thank you for whoever put these videos in to you tube
manojam79 2 years ago