Slocum stone

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Description

One of the best imitation Opal on the market. Slocum stone is made from laminated Glass with embedded bits of metal foil. Under magnification, gas bubbles and other features of the glass can be detected.

Synonyms and Related Terms

imitation opal; Opal-essence

Physical and Chemical Properties

Density 2.4-2.5 g/ml
Refractive Index 1.49-1.50

Resources and Citations

  • Michael O'Donoghue and Louise Joyner, Identification of Gemstones, Butterworth-Heinemann, Oxford, 2003

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