To view all our multimeter ranges go to http://bit.ly/1EdnDeo. In this video, Josh shows us how to use a multimeter to check for faults in an electrical switch.1  Howto & Style. 2  Standard YouTube License.o view all our multimeter ranges go to http://bit.ly/1EdnDeo. In this video, Josh shows us how to use a multimeter to check for faults in an electrical switch. 1  Howto & Style. 2  Standard YouTube License.
Black is the most common color of obsidian. However, it can also be brown, tan, or green. Rarely, obsidian can be blue, red, orange, or yellow. The colors are thought to be caused mainly by trace elements or inclusions.
Obsidian is used for protection, removing negativity, and many more things in crystal healing and energy work. Learn more about its metaphysical properties and healing lore. Alternate Names or Spellings for Obsidian: Glass Agate, Glassy Lava, Xaga, Royal Agate (a mottled obsidian). Obsidian is a natural, volcanic glass.Obsidian is a very protective stone, and is excellent for removing negativity. It is also excellent protection against psychic attacks. In particular obsidian protects the gentle from abuse, and is used to cut attachment cords to release one.It is a very grounding stone, and very healing.bsidian is used for protection, removing negativity, and many more things in crystal healing and energy work. Learn more about its metaphysical properties and healing lore. Alternate Names or Spellings for Obsidian: Glass Agate, Glassy Lava, Xaga, Royal Agate (a mottled obsidian). Obsidian is a natural, volcanic glass.