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tourmaline Definition

tour·ma·line (to̵or′mə lin, -lēn′)

noun

a very hard, piezoelectric, rhombohedral mineral, (Na,Ca)(Mg,Fe,Al,Li)Al(BO)(SiO)(OH), of various colors, used as a gem and in making pressure gauges

Etymology: Fr, ult. < Sinhalese tōramalli, carnelian

tourmaline Usage Examples

Converse of object

  • use: The Tourmaline used is a premium grade crystal from Brazil.

Adjective modifier

  • pink: Square shaped silver earrings set with pink tourmaline and 18ct gold beads 19.
  • black: Place one black tourmaline on the base chakra and tape another to where the spine meets the back of the skull at the occiput.
  • Black: Black tourmaline is awesome for grounding you and bringing you back into your body.

Modifies a noun

  • crystal: Tourmaline crystal gives off far-infrared rays, these rays are beneficial to health and generate warmth in the feet.
  • deposit: For comparison, several other yellow tourmaline deposits from southern Kenya and Tanzania are also briefly described.
  • source: Tourmaline Source: Tourmaline ( semi precious ) stone Tourmaline is a very popular gemstone and collectors mineral.

Noun used with modifier

  • stone: Tourmaline Source: Tourmaline ( semi precious ) stone Tourmaline is a very popular gemstone and collectors mineral.