
| Affordable vintage costume jewelry |
| Birthstones, descriptions, healing powers, Mohs hardness scale for each birthstone |
| Standard number of facets, names, and descriptions of many rhinestone, gemstone and diamond cuts and shapes. |
| Number of beads per inch, mm sizes, and aughts comparisons |
| Rhinestone measurements in stone size (ss), pearl plate (pp) and milimeter (mm) comparisons. |
| Find approximate dates for your jewelry piece by the patent number on the back. You can find out when (dates) jewelry manufactuerers were in business here. |
| Standard Mohs mineral hardness scale is depicted here from the softest materials to diamonds. |
| Copyright JewelsnTreasures, all rights reserved. |
| Check out these charts on the current prices for an ounce of specific precious metals used in jewelry making. Updated every 8 hours (New York price). |