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 Date: 2007-11-28 10:34:04Visual arts Gemstones Analytical chemistry Assay office Coins Watches Hallmark Birmingham Assay Office Tanzanite Chemistry Jewellery Matter |
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BIRMINGHAM IJL NEWS FROM THE BIRMINGHAM ASSAY OFFICE | Slow Ramp Kiln Tests Kiln was ramped 260° per hour to a firing temperature of 600°c and held at 600°c for 30 minutes. Gemstone type Tanzanite Green TopazDocID: 1ucFD - View Document |
| Farbuebersicht-Swarovski-Kristalle-BleistifteDocID: 1pNDR - View Document |
| Rock Talk In This Issue August Club Meeting Program The July Club Meeting, as I saw it The Cover—K2 Granite July Meeting PhotosDocID: 1ph4z - View Document |
| Tanzanite Quarts Faceted Beads • 3-4-5mm approx • • • •DocID: 1dHfP - View Document |
| Microsoft Word - AGTA Announces 2015 Spectrum Awards Winners w Pics.docDocID: 1aUvT - View Document |