Question

The tourmaline crystal:

• A. absorbs ordinary light and transmits extra ordinary
• B. absorbs extra ordinary light and transmits ordinary light
• C. absorbs both ordinary and extra ordinary light
• D. transmits both ordinary light and extra ordinary light

Answer 1

The correct option is A absorbs ordinary light and transmits extra ordinary

Tourmaline is a crystalline boron silicate mineral compound with elements such as aluminium, iron, magnesium, sodium, lithium or potassium. Tourmaline is classified as a semi-precious stone.

Tourmaline has the property to absorb the ordinary light but it transmits the extra ordinary light.