LUSTER - I’m how a mineral shines in light—. Be it dull, glassy, or bright!, INORGANIC - I’m not from plants, nor beast or tree—.I form without biology!, HARDNESS - Try to scratch me—if you can! I tell how tough a mineral stands., CLEAVAGE - I split in smooth, flat, perfect ways—. My break lines earn a geologist’s praise., STREAK - Scratch me on a plate and peek—. I’ll show my color with a streak!,

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