Moonstone
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About Moonstone
Name:
Derived from the stone's characteristic visual effect, called adularescence (or schiller), which produces a milky, bluish interior light.
A trade name for any white feldspar with a blue schiller.
Commonly microcline, rarely orthoclase, and the plagioclase series. Also includes albite with its variety peristerite.
Antiperthite and anorthoclase may also show schiller.
Visit gemdat.org for gemological information about Moonstone.
Commonly microcline, rarely orthoclase, and the plagioclase series. Also includes albite with its variety peristerite.
Antiperthite and anorthoclase may also show schiller.
Visit gemdat.org for gemological information about Moonstone.Unique Identifiers
Mindat ID:
2774
Long-form identifier:
mindat:1:1:2774:4
Synonyms of Moonstone
Other Language Names for Moonstone
Common Associates
Associations Based on Photo Data:
| 5 photos of Moonstone associated with 'Anorthoclase' | (Na,K)AlSi3O8 |
| 5 photos of Moonstone associated with Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| 3 photos of Moonstone associated with Quartz | SiO2 |
| 2 photos of Moonstone associated with Feldspar Group | |
| 1 photo of Moonstone associated with Calcite | CaCO3 |
| 1 photo of Moonstone associated with Hematite | Fe2O3 |
| 1 photo of Moonstone associated with Muscovite | KAl2(AlSi3O10)(OH)2 |
| 1 photo of Moonstone associated with 'Sceptre Quartz' | SiO2 |
| 1 photo of Moonstone associated with Orthoclase | K(AlSi3O8) |
| 1 photo of Moonstone associated with Aegirine | NaFe3+Si2O6 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Moonstone
mindat.org URL:
https://www.mindat.org/min-2774.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Moonstone
Localities for Moonstone
Showing 108 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Meetiyagoda, Galle District, Southern Province, Sri Lanka