| General Information |
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| Chemical Formula | Michael O’Donoghue, Gems, Sixth edition (2006) More from other references |
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| Amblygonite Treatments |
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| Colorless material has been reported by Pough(1957) to turn to greenish yellow color on irradiation. Heat could be expected to reverse this change. |
| Physical Properties of Amblygonite |
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| Mohs Hardness | 6Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
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| Specific Gravity | 2.98 to 3.10Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
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| Cleavage Quality | PerfectHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
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| Fracture | Sub-ConchoidalArthur Thomas, Gemstones (2009) |
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| Optical Properties of Amblygonite |
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| Refractive Index | 1.578 to 1.646Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
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| Optical Character | Biaxial/+,-Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Birefringence | 0.020 to 0.030Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
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| Pleochroism | WeakArthur Thomas, Gemstones (2009) |
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| Dispersion | 0.018Arthur Thomas, Gemstones (2009) |
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| Colour |
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| Colour (General) | Colourless, yellowish, pink, brown, green, blueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Transparency | TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Lustre | Vitreous,PearlyArthur Thomas, Gemstones (2009) |
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| Fluorescence & other light emissions |
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| Fluorescence (Long-Wave UV) | Inert to weak-greenHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) |
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| Phosphorescence | May phosphosesce light blue to LW and SWHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) |
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| Crystallography of Amblygonite |
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| Crystal System | TriclinicHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
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| Habit | Usually massiveArthur Thomas, Gemstones (2009) |
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| Further Information |
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| Mineral information: | Amblygonite information at mindat.org |
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| Significant Gem Localities |
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| Myanmar | | |
| Ted Themelis (2008) Gems & mines of Mogok | |
| Ted Themelis (2008) Gems & mines of Mogok |
- Pein-Pyit (Painpyit; Pyan Pyit)
| Ted Themelis (2008) Gems & mines of Mogok | |
| Ted Themelis (2008) Gems & mines of Mogok |
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