Pyroxmangite 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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Pyroxmangite Gemstones by Size
This table shows distribution of Pyroxmangite 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:0.27 cts
Heaviest:4.36 cts
Average:2.60 cts
Total photos:3
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| General Information | ||||||||||||||
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| Chemical Formula |
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| Physical Properties of Pyroxmangite | ||||||||||||||
| Mohs Hardness | 5 to 6, Gemmological Tables (2004) More from other references | |||||||||||||
| Specific Gravity | 3.76 to 3.77, Gemmological Tables (2004) More from other references | |||||||||||||
| Cleavage Quality | Perfect, Gems, Sixth Edition (2006) More from other references | |||||||||||||
| Fracture | Uneven, Gemstones (2009) | |||||||||||||
| Optical Properties of Pyroxmangite | ||||||||||||||
| Refractive Index | 1.735 to 1.756, Gemmological Tables (2004) More from other references | |||||||||||||
| Optical Character | Biaxial/+, Gemmological Tables (2004) More from other references | |||||||||||||
| Birefringence | 0.017 to 0.019, Gemmological Tables (2004) More from other references | |||||||||||||
| Dispersion | Moderate, Gemstones (2009) | |||||||||||||
| Colour | ||||||||||||||
| Colour (General) | Red, pink, brownish, Gemmological Tables (2004) More from other references | |||||||||||||
| Transparency | Transparent, Gemmological Tables (2004) More from other references | |||||||||||||
| Lustre | Vitreous,Pearly, Gemstones (2009) | |||||||||||||
| Crystallography of Pyroxmangite | ||||||||||||||
| Crystal System | Triclinic, Gemmological Tables (2004) More from other references | |||||||||||||
| Habit | Tabular, Gems, Sixth Edition (2006) More from other references | |||||||||||||
| Geological Environment | ||||||||||||||
| Where found: | Pyroxmangite occurs in regionally metamorphosed manganese ore deposits and in manganiferous rocks., Gems, Sixth Edition (2006) More from other references | |||||||||||||
| Spectrographic Data | ||||||||||||||
| Calculated Spectra: Click spectra for more information | Pyroxmangite - Locality: Brazil Pyroxmangite - Locality: Unknown | |||||||||||||
| Further Information | ||||||||||||||
| Mineral information: | Pyroxmangite information at mindat.org | |||||||||||||
| Significant Gem Localities | ||||||||||||||
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