Adularia
Pakistan
0.87 carats
© raregemhunter
Adularia 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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Adularia Gemstones by Size
This table shows distribution of Adularia 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:0.87 cts
Heaviest:3.09 cts
Average:1.98 cts
Total photos:2
Do you have a larger Adularia? Why not upload a photo?
| General Information | |||||||||||||||||
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| A variety or type of: | Orthoclase, which is a variety of Feldspar | ||||||||||||||||
| Chemical Formula |
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| Adularia Simulants | |||||||||||||||||
| Adularescent synthetic spinel (possibly with mirror-like back coating), glass and with milky chalcedony. - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 8 | |||||||||||||||||
| Physical Properties of Adularia | |||||||||||||||||
| Mohs Hardness | 6, Blue Chart Gem Identification (2010) | ||||||||||||||||
| Specific Gravity | 2.54 to 2.61, Blue Chart Gem Identification (2010) | ||||||||||||||||
| Optical Properties of Adularia | |||||||||||||||||
| Refractive Index | 1.518 to 1.536, Blue Chart Gem Identification (2010) | ||||||||||||||||
| Optical Character | Biaxial/-, Blue Chart Gem Identification (2010) | ||||||||||||||||
| Birefringence | 0.005 to 0.008, Blue Chart Gem Identification (2010) | ||||||||||||||||
| Colour | |||||||||||||||||
| Colour (General) | Colourless, Gemstones (2009) | ||||||||||||||||
| Transparency | Transparent, Gemstones (2009) | ||||||||||||||||
| Fluorescence & other light emissions | |||||||||||||||||
| Fluorescence (Short Wave UV) | Inert to orangy-(reddish), Blue Chart Gem Identification (2010) | ||||||||||||||||
| Fluorescence (Long-Wave UV) | Inert to blue (and pinkish), Blue Chart Gem Identification (2010) | ||||||||||||||||
| Crystallography of Adularia | |||||||||||||||||
| Crystal System | Monoclinic, Gemstones (2009) | ||||||||||||||||
| Geological Environment | |||||||||||||||||
| Where found: | Low temperature hydrothermal deposits (in the Swiss Alps)., Gemstones (2009) | ||||||||||||||||
| Inclusions in Adularia | |||||||||||||||||
| Typical "centipede" inclusions. - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 8 | |||||||||||||||||
| Further Information | |||||||||||||||||
| Mineral information: | Adularia information at mindat.org | ||||||||||||||||
| Significant Gem Localities | |||||||||||||||||
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