Laboratories in Maidstone, Kent
| Name & Address | Phone # | Website |
| Mineral Check Ltd 62 Cross Keys, Maidstone, Kent ME14 4HR | 01622 630044 |  |
| RSA Weeks New Melbourne House, Maidstone, Kent ME14 2RU | 01622 679952 |  |
| Name & Address | Phone # | Website |
| Mineral Check Ltd 62 Cross Keys, Maidstone, Kent ME14 4HR | 01622 630044 | |
| RSA Weeks New Melbourne House, Maidstone, Kent ME14 2RU | 01622 679952 | |
