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Strontium aluminate rare earth 1.75 ct.

#3059

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36,60 €

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Strontium aluminate rare earth 1.75 ct.

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is a man made material used for its phosphorescence property.Strontium aluminate is activated by rare earth ions such as the Europium and Dysprosium of the lanthanide series.Hardness is 7. These elements enbedded in a sort of ceramic are manufatured in China and used of any industrial or military machine who need a long phosphorescence.When receive a good light power it turns bright green and keep it’s phosphorescence for a while. An odd stone for study and collection. Size:7.1x6.8x4 mm. Weigth:1.75 ct. CODE#3059
Weight1.75
OriginChina