Original Message: Anyone got a "Chelsea Filter"? |
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"A lapis imitation known as "Swiss Lapis," or German Lapis" is created from dying paler varieties of chalcedony, ironstone or quartz jasper with ferrocyanide. A Chelsea Filter can be used to distinguish genuine lapis from Swiss lapis which will appear as red."
Quote from "khulsey.com" Stefany All rights reserved by Bead Collector Network and its users |
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