Is Obsidian Diamond? Diamond is harder than obsidian, as obsidian is a form of volcanic glass. Diamonds however are also brittle. Stronger may be the wrong term. Obsidian has a hardness of 5 to 5.5 on the mineral hardness scale, whereas diamonds have a hardness of 10. Is Obsidian worth money? There is no set
Is Broken Hill A Dying Town? In 1907 more than 8000 men worked in ‘The Hill’s’ mines and the town had a population of more than 30,000. Production peaked again in the 1950s when the mining workforce reached 6500, but it’s been declining ever since. The most recent retrenchments saw Perilya’s Broken Hill workforce drop
What Is An Ore Example? Ores are minerals that have a high concentration of a certain element, typically a metal. Examples are cinnabar (HgS), an ore of mercury, sphalerite (ZnS), an ore of zinc, or cassiterite (SnO2), an ore of tin (Mineral). What is considered an ore? Ore is a deposit in Earth’s crust of