4 cm, price including curtain. Violet fluorite helps with concentration, softens the oscillation of brain cells and thus opens up our mental efforts to enter and contact with a higher plane of reality. Strengthens discernment, helps with headaches and migraines. Green fluorite relieves allergies and asthma. Rainbow fluorite balances mental and emotional life and relieves tension. At the first signs of illness, it brings relief to the body and peace to the soul. We clean the paperweight under a stream of lukewarm water.