Metals and Minerals Crossword Puzzle

QUESTIONS LIST:

• diamond : light blue, white, and occasionally yellow in color, popular in jewelry, hardness is 10
• sulfur : used to create acid, which is used in batteries, hardness is 1.5 to 2.5
• copper : commonly used as a conductor, hardness is 2.5 to 3
• garnet : used in jewelry, as well as an abrasive, hardness is 6.5 to 7.5
• silver : popularly used in tableware and mirrors, hardness is 2.5 to 3
• malachite : one of the oldest known green pigments, hardness is 3.5 to 4
• bauxite : used to make aluminum, hardness is 1 to 3
• uranium : often used as a fuel in nuclear reactors, hardness is 6
• talc : used in baby powder due to its soft texture, hardness is 1
• magnetite : part of the steel production process, and also highly magnetic, hardness is 5 to 6.5
• hematite : most important ore of iron, hardness is 5.5 to 6.5
• corundum : commonly used as an abrasive, hardness is 9
• graphite : used in most pencils, hardness is 1 to 2
• gold : less known to be a conductor compared to [6, across], but is better due to it being less prone to corrosion, hardness is 2.5 to 3
• gypsum : commonly used in both blackboard and sidewalk chalk, hardness is 1.5 to 2
• halite : used to treat snowy roads/surfaces, hardness is 2 to 2.5 (hint - rock salt)
• quartz : commonly used as counter-tops and in watches, hardness is 7
• pyrite : often mistaken for another mineral, hardness is 6 to 6.5
• calcite : used in construction, as well as to produce limestone and cement, hardness is 3
• turquoise : shares the same name of a color, hardness is 5 to 6