Minerals and Ores Crossword Puzzle

QUESTIONS LIST:

• mineral: a naturally occurring, inorganic, crystalline solid that has a definite chemical composition
• ore: a rock containing valuable minerals
• compound mineral: a mineral made of a chemical compound
• native mineral: a mineral made up of only one element that occurs in its pure state
• mineralogist: the study of minerals, including their formation, composition, structure, and alternation
• steak: mineral powder that is rubbed on a ceramic plate to identify its characteristic color
• luster: the amount and quality of light that a mineral reflects
• cleavage: a property of some mineral crystals that easily split along distinct planes
• fracture: the characteristic manner in which some minerals break
• hardness: a mineral's ability to resist scratching that relates to the crystal's structure
• specific gravity: the ratio of a mineral's density to the density of water at 4 degrees celcius
• acid test: a test used to identify certain minerals by observing their reaction with dilute hydrochloric acid to produce gas bubbles
• silicate: mineral family composed of minerals that contain silicon and oxygen
• sulfide: a mineral family composed of one or more metals and sulfur
• carbonate: a mineral family composed of minerals that contain one or more mineral atoms and carbonate
• halide: a mineral family of slat compounds