Difference between revisions of "Opalescence"
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| − | [[File:Opalescent salt dish 19781158.jpg|thumb| | + | [[File:Opalescent salt dish 19781158.jpg|thumb|Opalescent salt dish <br>MFA# 1978.1156]] |
== Description == | == Description == | ||
| − | + | An optical phenomena that occurs in gemstone [[opal|opals]] and appears as a milky iridescence. Opalescence is produced natural by the reflection and refraction of light through the spacing and layering of silicon dioxide spheres and water inclusions. An opalescent glaze or glass can be induced by added [[boron]], fluoride or [[arsenic]] compounds to the starting mixture. | |
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| + | == Synonyms and Related Terms == | ||
| + | * opalescence (noun: definition = reflecting or changing light like an opal) | ||
| + | * opalescent (adjective: definition = reflecting iridescence) | ||
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 15:19, 22 September 2022
Description
An optical phenomena that occurs in gemstone opals and appears as a milky iridescence. Opalescence is produced natural by the reflection and refraction of light through the spacing and layering of silicon dioxide spheres and water inclusions. An opalescent glaze or glass can be induced by added Boron, fluoride or Arsenic compounds to the starting mixture.
Synonyms and Related Terms
- opalescence (noun: definition = reflecting or changing light like an opal)
- opalescent (adjective: definition = reflecting iridescence)