Phosgenite 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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Phosgenite Gemstones by Size
This table shows distribution of Phosgenite 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:4.35 cts
Heaviest:8.61 cts
Average:7.19 cts
Total photos:3
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| General Information | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chemical Formula |
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| Physical Properties of Phosgenite | ||||||||||||||
| Mohs Hardness | 2.5 to 3, Gemmological Tables (2004) More from other references | |||||||||||||
| Specific Gravity | 6.13, Gemmological Tables (2004) More from other references | |||||||||||||
| Cleavage Quality | Perfect, Gemmological Tables (2004) More from other references | |||||||||||||
| Fracture | Conchoidal, Gemstones (2009) | |||||||||||||
| Optical Properties of Phosgenite | ||||||||||||||
| Refractive Index | 2.117 to 2.145, Gemmological Tables (2004) More from other references | |||||||||||||
| Optical Character | Uniaxial/+, Gemmological Tables (2004) More from other references | |||||||||||||
| Birefringence | 0.028, Gemmological Tables (2004) More from other references | |||||||||||||
| Pleochroism | Weak, Gemstones (2009) | |||||||||||||
| Dispersion | Strong, Gemstones (2009) | |||||||||||||
| Colour | ||||||||||||||
| Colour (General) | Colourless, yellowish, Gemmological Tables (2004) More from other references | |||||||||||||
| Transparency | Transparent, Gemmological Tables (2004) More from other references | |||||||||||||
| Lustre | Adamantine, Gems, Sixth Edition (2006) More from other references | |||||||||||||
| Fluorescence & other light emissions | ||||||||||||||
| Fluorescence (General) | LW and SW: strong yellow with yellow phosphorescence, Gemmological Tables (2004) More from other references | |||||||||||||
| Crystallography of Phosgenite | ||||||||||||||
| Crystal System | Tetragonal, Gemmological Tables (2004) More from other references | |||||||||||||
| Habit | Short prismatic to prismatic, Gems, Sixth Edition (2006) More from other references | |||||||||||||
| Geological Environment | ||||||||||||||
| Where found: | Phosgenite occurs from the alteration of galena in the oxidized zone of lead ore deposits., Gems, Sixth Edition (2006) | |||||||||||||
| Further Information | ||||||||||||||
| Mineral information: | Phosgenite information at mindat.org | |||||||||||||
| Significant Gem Localities | ||||||||||||||
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