Phosphophyllite Gemstones by Colour
This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
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Phosphophyllite Gemstones by Size
This table shows distribution of Phosphophyllite gemstone sizes that are listed on this site. This can give a good indication as to the general availability of this gemstone in different sizes.
Contributed photos
Lightest:0.38 cts
Heaviest:1.57 cts
Average:0.78 cts
Total photos:3
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| General Information | ||||||||||||||||||||||||||
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| Chemical Formula |
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| Physical Properties of Phosphophyllite | ||||||||||||||||||||||||||
| Mohs Hardness | 3 to 3.5, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||
| Specific Gravity | 3.07 to 3.13, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||
| Tenacity | Brittle, Blue Chart Gem Identification (2010) | |||||||||||||||||||||||||
| Cleavage Quality | Perfect, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||
| Fracture | Conchoidal, Gemstones (2009) | |||||||||||||||||||||||||
| Optical Properties of Phosphophyllite | ||||||||||||||||||||||||||
| Refractive Index | 1.595 to 1.621, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||
| Optical Character | Biaxial/-, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||
| Birefringence | 0.021, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||
| Pleochroism | Nil, Gemstones (2009) | |||||||||||||||||||||||||
| Dispersion | Very weak, Gemstones (2009) | |||||||||||||||||||||||||
| Colour | ||||||||||||||||||||||||||
| Colour (General) | Colourless, bluish-green, green, Gemmological Tables (2004) More from other references | |||||||||||||||||||||||||
| Causes of Colour | Bluish green, Fe2+, Pragmatic Spectroscopy For Gemologists (2011) | |||||||||||||||||||||||||
| Transparency | Transparent, Gemmological Tables (2004) More from other references | |||||||||||||||||||||||||
| Lustre | Vitreous, Gemstones (2009) | |||||||||||||||||||||||||
| Fluorescence & other light emissions | ||||||||||||||||||||||||||
| Fluorescence (Short Wave UV) | Violet, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||
| Crystallography of Phosphophyllite | ||||||||||||||||||||||||||
| Crystal System | Monoclinic, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||
| Habit | Thick tabular crystals with numerous other forms, fish-tail and penetration twinning, Gems, Sixth Edition (2006) More from other references | |||||||||||||||||||||||||
| Geological Environment | ||||||||||||||||||||||||||
| Where found: | Occurs as a secondary mineral in zoned complex granite pegmatites or as an alteration product of sphalerite, Gems, Sixth Edition (2006) | |||||||||||||||||||||||||
| Further Information | ||||||||||||||||||||||||||
| Mineral information: | Phosphophyllite information at mindat.org | |||||||||||||||||||||||||
| Significant Gem Localities | ||||||||||||||||||||||||||
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