| Play | Key Line | Modern Text | Original Text |
| Henry VI Part 1 | 1H6 I.iv.52 | And spurn in pieces posts of adamant; | And spurne in pieces Posts of Adamant. |
| A Midsummer Night's Dream | MND II.i.195 | You draw me, you hard-hearted adamant! | You draw me, you hard-hearted Adamant, |
| Troilus and Cressida | TC III.ii.177 | As iron to adamant, as earth to th' centre – | As Iron to Adamant: as Earth to th'Center: |