Tourmaline. Optical and physical properties

Турмалин. Оптические и физические свойства

Tourmalines have very interesting optical and physical properties 🧐

🤓 First, they have the effect of pleochroism - when the stone changes its color depending on the side from which you look at it.

Турмалин. Оптические и физические свойства

🤓 Second, they have the effect of dichroism - two-colors, the ability of the stone to birefringence. When passing through the crystal, the beam of light bifurcates and weakens, our eye perceives this as a change of color when looking at the stone from different angles.

Турмалин. Оптические и физические свойства

🤓 Trird, they have the effect of piezoelectricity - they electrify during rubbing and heating, moreover, one end of the crystal will be charged positively, and the other one – negatively.

Турмалин. Оптические и физические свойства

🤓 Then, tourmalines are sources of negative ions, which, according to experts, has a positive effect on the human body.

Турмалин. Оптические и физические свойства

🤓 Also, it was after experiments on tourmalines that a new physical phenomenon - polarization of light - was discovered. With the help of this effect, a mechanism against dazzling a driver with oncoming headlights, photochromic glasses and polarized glasses for stereoscopic film were invented.

Турмалин. Оптические и физические свойства

🤓 It is interesting, that big crystals of tourmaline are used in radio engineering.

Турмалин. Оптические и физические свойства

🤓 And some more physics - tourmaline is called "electric charge" - it has a certain constant of electric charge equal to 0.06 mA.

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