Pollucite
Paprok, Kamdesh District, Nuristan, Afghanistan
17.28 carats
© Rarestone.com
Pollucite forms transparent colourless cubes, dodecahedra or trapezohedra and it may also occur as fine-grained masses.
Pollucite is a rare gem material.
Pollucite 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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Pollucite Gemstones by Size
This table shows distribution of Pollucite 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:0.42 cts
Heaviest:49.05 cts
Average:7.23 cts
Total photos:18
Do you have a larger Pollucite? Why not upload a photo?
| General Information | |||||||||||||||||||||
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| Chemical Formula |
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| Physical Properties of Pollucite | |||||||||||||||||||||
| Mohs Hardness | 6.5 to 7, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||||
| Specific Gravity | 2.86 to 2.94, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||||
| Tenacity | Brittle, Gemstones (2009) | ||||||||||||||||||||
| Cleavage Quality | None, Gemstones (2009) | ||||||||||||||||||||
| Fracture | Conchoidal, Gemstones (2009) | ||||||||||||||||||||
| Optical Properties of Pollucite | |||||||||||||||||||||
| Refractive Index | 1.517 to 1.525, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||||
| Optical Character | Isotropic, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||||
| Dispersion | 0.014, Gemstones (2009) | ||||||||||||||||||||
| Colour | |||||||||||||||||||||
| Colour (General) | Colourless, grey, white, bluish, violet., Gemstones of the world (2001) More from other references | ||||||||||||||||||||
| Transparency | Transparent,Translucent,Opaque, Gemmological Tables (2004) More from other references | ||||||||||||||||||||
| Lustre | Vitreous, Gemstones (2009) | ||||||||||||||||||||
| Fluorescence & other light emissions | |||||||||||||||||||||
| Fluorescence (General) | May react orange to pink, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||||
| Crystallography of Pollucite | |||||||||||||||||||||
| Crystal System | Isometric, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||||
| Habit | Cubes,dodecahedra or trapezohedra, commonly striate and it may also occur as fine-grained masses, Gems, Sixth Edition (2006) More from other references | ||||||||||||||||||||
| Geological Environment | |||||||||||||||||||||
| Where found: | Pollucite occurs in lithium-rich granite pegmatites., Gems, Sixth Edition (2006) | ||||||||||||||||||||
| Further Information | |||||||||||||||||||||
| Mineral information: | Pollucite information at mindat.org | ||||||||||||||||||||
| Significant Gem Localities | |||||||||||||||||||||
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