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Lab Ruby round

€0.70 Tax incl. €0.70 Tax excl.

Kiln safe Lab created Ruby

in stock

The minimum purchase order quantity for the product is 5.

High quality ruby.


They can be integrated directly into the metal clay and resist in the kiln at temperatures of 940 ° for 1 hour.


Despite all our precautions, a ruby (synth.) may change color during firing. This can be caused by different factors: the structure inside the ruby was not stable enough to withstand the temperature, the furnace overheated or the fact of embedding it in the metal clay can accumulate heat further. We recommend exposing it to high temperatures to test whether it resists before incorporating it into the metal clay.

Lab created ruby are being made in the laboratory. They are designed to look exactly like the natural ones and usually share the same appeareance and properties.


Specific References