The BSA is a constituent member of the World Organization of the Scout Movement. The traditional Scouting divisions are Cub Scouting for boys ages 7 to 10Â½ years, Boy Scouting for boys ages 10Â½ to 18 and Venturing for young men and women ages 14 (or 13 and having completed the 8th grade) through 21.
Black Obsidian has been used since Paleolithic times for making tools and weapons because it holds a sharp edge. Black Obsidian Geological Description: Obsidian is a glassy, silica rich rock formed from lava with a hardness of 5 to 5.5. It is an amorphous stone meaning that its structure contains no regular geometric pattern. Obsidian is found in South America, Japan, Mexico, Afghanistan, and parts of the United States.
Obsidian Rock. Obsidian rock is actually a type of glass that formed when molten lava cooled so quickly, there was not time for any crystals to form. The actual composition of the rock is dependent on what minerals, gases, and such were in the immediate area when the lava cooled.bsidian stone can be found almost anywhere there has been volcanic activity in the past, but not all the sources are currently being mined. Most mining is done in Armenia, Greece, Hungary, Iceland, Italy, Japan, Java, Kenya, Mexico, New Zealand, Scotland and Turkey.