Size: 4 cm (approx)
Weight: 15 g (approx.)
Chakra: 7th (Skull)
Chemical Properties: Borosilicate calcium, Ca B2 (SiO4) 2
RARE and beautiful stone, bright, sweet, heavenly ... aligns all chakras.
Boron is an element that physics is a real "shield" against radiation: "He also plays as a shield against radiation and neutron detectors"
Very good stone 7th chakra (energy skull field, cosmic energy, spirituality, clairvoyance, intuition).
This stone is very high frequency in dowsing, measured UB 15,000 (higher than quartz).