Difference between revisions of "Slocum stone"
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== Description == | == Description == | ||
| − | One of the best imitation [ | + | One of the best imitation [[opal|opal]] on the market. Slocum stone is made from laminated [[glass|glass]] with embedded bits of metal foil. Under magnification, gas bubbles and other features of the glass can be detected. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| Line 7: | Line 7: | ||
imitation opal; Opal-essence | imitation opal; Opal-essence | ||
| + | ==Physical and Chemical Properties== | ||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 2.4-2.5 | + | | 2.4-2.5 g/ml |
|- | |- | ||
! scope="row"| Refractive Index | ! scope="row"| Refractive Index | ||
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|} | |} | ||
| − | == | + | ==Resources and Citations== |
| − | * Wikipedia | + | * Wikipedia: http://en.wikipedia.org/wiki/Opal (accessed Oct. 12, 2005) |
* Michael O'Donoghue and Louise Joyner, ''Identification of Gemstones'', Butterworth-Heinemann, Oxford, 2003 | * Michael O'Donoghue and Louise Joyner, ''Identification of Gemstones'', Butterworth-Heinemann, Oxford, 2003 | ||
Latest revision as of 12:30, 31 May 2022
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
- Wikipedia: http://en.wikipedia.org/wiki/Opal (accessed Oct. 12, 2005)
- Michael O'Donoghue and Louise Joyner, Identification of Gemstones, Butterworth-Heinemann, Oxford, 2003