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Old 19th January 2026, 09:47 AM   #2
Sajen
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Location: Germany, Dortmund
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Both, garnets and rubies can scratch glass, rubies have a hardness from 9 on the Mohs scala, garnets between 6,5 and 7,5. Glas has a hardness from 6. With the thick gilding I guess that the stones are rubies.
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