| SPINEL | Ruby-resembling gem and one of August's birthstones |
| LEO | One of August's zodiac signs |
| PERIDOT | August's birthstone (7) |
| DIAMANTE | With cut glass resembling gems |
| JEWEL | - - - - - garden - like Monty Don's Longmeadow - with floral hues resembling gems (5) |
| ZIRCON | From "golden", a gem and a silicate of atomic no. 40, whose colours, ranging from clear to red, brown, blue, green, yellow and smoky, can be observed in its varieties hyacinth, jacinth, jargoon and sp |
| PEARL | Gem and type of barley (5) |
| RUBY | Gem and variety of red corundum (4) |
| LETTUCE | Little Gem and Romaine are varieties of this salad plant (7) |
| AMETHYST | Violet gem and a traditional birthstone for February (8) |
| STONEAGE | Gem and silver point to a long time ago (5,3) |
| PETRIFIEDWOOD | Washington's state gem and Arizona's state fossil |
| LOGOS | The CBC 'Gem', and others |
| LODGEMENT | During Lent, do take a gem and deposit it (9) |
| ROCK | To be exciting, gem & hard confection (4) |
| GUSTS | August's sudden bursts of water, etc |
| MINE | An excavation for the extraction of coal, gems and ores; the "gallery" of an insect in a leaf; or, historically, a passage under a besieged fortress to give secret ingress or to blow it up (4) |
| CARATS | They're used to measure gems and express purity of gold (6) |
| JEWELLER | Seller of gems and precious metals |
| CARAT | Unit of weight for gems and pearls |