NOT KNOWN DETAILS ABOUT CRYSTAL

Calcite crystals are frequently Utilized in optical devices, and also the graphite in pencil direct are sheets of crystals that in essence crack aside layer by layer to write down. Silica can kind silicate crystals which happen to be The premise for quartz, mica, olivine, and a number of other crystals and minerals.⒉棉、云雾或渣状包裹体