Trade name given to certain feldspars; first of all in reddish labradorites, generally cut in cabochon, from the Sri Lanka, then in the red labradorite of the Oregon (USA) " Oregon sunstone ".
Some use this term for the red andésines
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Stone (Sun)
- Translations : Sunstone, 日长石
- Synonym : Adventurine Feldspar, Aventurine Feldspar, Aventurine Orthoclase, Heliolite
Gemological data
- Hardness (Mohs) : 6
- Density : 2.64
- Refractive index : 1.525 - 1.552
- Birefingence : 0.007 - 0.010
- Crystal system : Triclinique
- Group : Feldspaths
The gallery
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- PSOL0002
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- PSOL0003
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- PSOL0004
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- PSOL0005
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- PSOL0006
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- PSOL0007
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- PSOL0008
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- PSOL0009
