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Moonstone is a sodium potassium aluminium silicate ((Na,K)AlSi3O8) of the feldspar group that displays a pearly and opalescent schiller. An alternative name for moonstone is hecatolite (from goddess Hecate).
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moonstone feldspar orthoclase blue varieties white colorless name group opalescent effect light layers sheen adularescence plagioclase myanmar labradorite display crystal
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Moonstone (gemstone) | Birefringence | 0.005–0.01 | 1.00 | infobox |
| Moonstone (gemstone) | Category | Tectosilicate minerals | 1.00 | infobox |
| Moonstone (gemstone) | Cleavage | Perfect | 1.00 | infobox |
| Moonstone (gemstone) | Color | Various, including blue, gray, white, pink, peach, green, and brown, as well as colorless | 1.00 | infobox |
| Moonstone (gemstone) | Crystal system | Monoclinic | 1.00 | infobox |
| Moonstone (gemstone) | Dispersion | 0.012 | 1.00 | infobox |
| Moonstone (gemstone) | Formula | .mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:l… | 1.00 | infobox |
| Moonstone (gemstone) | Fracture | Uneven to conchoidal | 1.00 | infobox |
| Moonstone (gemstone) | Group | Feldspar group | 1.00 | infobox |
| Moonstone (gemstone) | IMA status | Variety of orthoclase | 1.00 | infobox |
| Moonstone (gemstone) | Luster | Vitreous, opalescent | 1.00 | infobox |
| Moonstone (gemstone) | Mohs scale hardness | 6.0–6.5 | 1.00 | infobox |
| Moonstone (gemstone) | Optical properties | For orthoclase and sanidine, biaxial (–); for oligoclase, biaxial +/– | 1.00 | infobox |
| Moonstone (gemstone) | Refractive index | 1.518–1.547 | 1.00 | infobox |
| Moonstone (gemstone) | Series | Alkali feldspar series | 1.00 | infobox |
| Moonstone (gemstone) | Specific gravity | 2.54–2.66 | 1.00 | infobox |
| Moonstone (gemstone) | Streak | White | 1.00 | infobox |
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