what feature is there the green crystal?
The green crystal is a kind of crystal with unique charm and a variety of effects. Its chemical composition is mainly silicon dioxide, which is green because of the magnesium and iron compounds. Green crystals get their green hue from the trace elements they contain, such as iron or titanium ions, which form over a long period of time in a particular geological environment .
Feature
Green crystal is usually presented as hexagonal columnar crystal, with glass luster, the higher the crystal purity, the more uniform color distribution of green crystal value is also higher . Its Mohs hardness is 7, has good wear resistance, daily wear only need to pay attention to avoid scratches . Green crystals may contain natural...