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Thread: Testing tortoise shell!!
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03-01-2017, 12:31 PM #5
White MOP is glowing quite much, pink MOP not so much.
Here you can see black horn again.
Blond horn is glowing strongly :
And shellac is glowing bright orange :
Another picture of tortoise under blacklight :
Further tests are to be made on celluloid, as several plastics are glowing too :
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