5 Easy Facts About Crystal Described
Calcite crystals tend to be used in optical machines, and in some cases the graphite in pencil guide are sheets of crystals that fundamentally break apart layer by layer to write. Silica can type silicate crystals that happen to be The idea for quartz, mica, olivine, and all kinds of other crystals and minerals.无色水晶以晶莹美丽、洁净�