tourmaline   (TTS Sound)

The tourmaline has 1 Senses.

• tourmaline
• トルマリン
• a mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones
• 鉄、マグネシウム、カルシウム、リチウム、およびナトリウムを含むアルミニウムの複雑なホウケイ酸塩と水酸化物である鉱物