| 1. | This property, which is known as dichroism, is particularly strong in tourmaline .
此种特性称为二向色性，尤其是在电气石中表现得特别强烈。 |
| 2. | This property, which is known as dichroism, is particularly strong in tourmaline .
此种特性被称为二向色性，尤其是在电气石中表现得特别强烈。 |
| 3. | The tourmaline is a unique miracle of colour
许多神奇且独特色彩缤纷的颜色。 |
| 4. | Advanced research on tourmaline group mineralogy
电气石族矿物学研究的新进展 |
| 5. | The correct general term is green tourmaline
。但一般而言，我们称它为绿色 |
| 6. | Superfine - functional tourmaline powder classification
超细功能负离子电气石的分级研究 |
| 7. | Tourmalines are true miracles of colour
许多神奇且独特色彩缤纷的颜色。 |
| 8. | Tourmalines are gems with an incomparable variety of colours
是贵重宝石之一，其颜色多达 |
| 9. | Research on grinding technology for ultrafine tourmaline powder
超细电气石粉研磨工艺研究 |
