NOT KNOWN FACTUAL STATEMENTS ABOUT CRYSTAL

Calcite crystals are frequently Employed in optical equipment, and in some cases the graphite in pencil lead are sheets of crystals that basically break aside layer by layer to jot down. Silica can form silicate crystals which might be The premise for quartz, mica, olivine, and all kinds of other crystals and minerals.⒉棉、云雾或渣状包裹