| FELDSPAR | Rock-forming mineral consisting of aluminium silicates that represents around 60 per cent of our pla |
| MEERSCHAUM | Mineral consisting of hydrated magnesium silicate that is also called sepiolite |
| ASIA | Continent inhabited by around 60 per cent of Earth's population (4) |
| ABSENTMINDED | Forgetful sailor made very happy with sea around 60 per cent of India |
| UTAH | U.S. state in which around 60 per cent of residents are Mormons (4) |
| SWEDEN | 70 per cent forested and with 60 per cent of its energy for heating derived from a renewable source, one of the world's most sustainable counties (6) |
| FELSPAR | Forming some 60 per cent of Earth's crust, a mineral whose gem varieties include amazonite, aventurine, labradorite, moonstone and sunstone (7) |
| MICA | Any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves. |
| FORSAKEN | Sneak out of place after 60 per cent of force deserted (8) |
| SOLOMON | King of Israel alone had 60 per cent of money (7) |
| BARNACLE | Clean up under 60 per cent of barge, scraping this off? (8) |
| GRASPTHENETTLE | Understanding 60 per cent of these irritate, act decisively (5,3,6) |
| UNEVEN | 60 per cent of routine is odd (6) |
| BOHEMIA | Historical region, now home to about 60 per cent of Czechs |
| ENTRENCH | First course almost 60 per cent of lunch - dig in! |
| AMPHIBOLES | Minerals of a group of dark-coloured rock-forming silicates (10) |
| ROMNEY | George -; painter of around 60 portraits of Lady Hamilton (6) |
| CLAY | Fine-grained material comprised mainly of hydrated aluminium silicate, formed by the weathering of granite and other feldspar-rich rock (4) |
| SPROCKET | Gear to go very fast after 60 per cent reduction of speed |
| LEPIDOLITE | A mineral of the mica group, potassium lithium aluminium silicate |
