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misswright

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tpw536w

alloys!!

can anyone please help me with this question? In parts per 1000, what is the maximum number of alloys that can be added to platinum?
16:09 Fri 29th Dec 20062 answers, last by misswright 07:53 Sat 30th Dec 2006
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harveyd_69

Diamond Colour

Does anyone know what "Brilliant White" as a Diamond Colour clasification really means? Everywhere I look Diamond Colour clasification is given as a letter i.e H
13:32 Mon 04th Dec 20066 answers, last by Ishaque 14:59 Mon 09th Jan 2023
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warpig1

What do you use to cut diamonds?

Do you use othere diamonds or something else. Also what is the hardest substance on earth either natural or man made. thanks warpig1
11:57 Wed 15th Nov 20068 answers, last by shantijewel 06:59 Wed 22nd Jul 2020

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