When we control the light handheld tourmaline rolling observed at different angles , gold color tones and shades degree water tourmaline will follow different angles and change.
There was a funny story: Legend of 1703 , a warm summer in Amsterdam, the Netherlands , there are a few children playing in the Dutch sailors back to the stone. A child found the stone dust and grass clippings at nearly have sucked in the past.
When tourmaline heating or by applying pressure , it hit the machine or use silk or wool to friction , will produce electrodes at both ends of the columnar tourmaline effect , one end is positively charged , the other end is negatively charged , which makes some of the dust will tourmaline or small confetti attract up, the magic of the air force will
The piezoelectric effect and the pyroelectric effect of tourmaline , but also " Tourmaline " the origin of the name .
Tourmaline crystal internally rich in vapor-liquid inclusions , and often showed directional distribution , forming a tubular inclusions , dense wax injection machine tubular wrap experience makes processed into arc -shaped or thrown ball -shaped tourmaline cat’s eye effect - in tourmaline thrown a shiny surface with a significant , but
Followed by observing different angles , bright band also changes. This is because tourmaline has strong pleochroism actions, which also covered with tourmaline mystery . Children very alarmed , he called their parents point of view, it was found that this stone jewelry tools to attract or repel light objects
Such as dirt and grass clippings , etc. Since then, the Dutch called it "sucked limestone " , and is used to clean the smoke pipe soot.