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12-25-2014, 09:29 PM #1Historically Inquisitive
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Link to interesting pdf of The Characterization of Tortoise Shell and its Imitations The Characterization of Tortoise Shell and its Imitations | Gems & Gemology
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The Following 5 Users Say Thank You to Martin103 For This Useful Post:
engine46 (09-14-2015), JimmyHAD (12-26-2014), MikeT (07-03-2016), ScienceGuy (12-26-2014), Wullie (12-26-2014)
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09-12-2015, 12:45 PM #2Senior Member
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Here is a French late 18th C. or early 19th C. razor
with silver washers, shield and VERY thin darkened tortoise scales (small bug bites are visible)
Last edited by Fikira; 09-12-2015 at 07:24 PM.
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09-13-2015, 07:45 PM #3Senior Member
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Here is an additional photo showing the variations in coloring that can be obtained. The material doesn't darken substantially with age - these are all about the same age. The coloring comes from natural variations, and variations when the scutes are pressed together into thicker material.
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The Following User Says Thank You to ScienceGuy For This Useful Post:
Fikira (09-13-2015)
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09-14-2015, 01:18 AM #4
This has been a very interesting read. A big thanks to all!
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