Hexagonite
Fowler, St. Lawrence County, New York, USA
2.07 carats
© Rarestone.com
Hexagonite may show pleochroic colours: bluish-red to deep reddish violet.
The material has been faceted.
Hexagonite 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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| General Information | ||||||||||||||||||||||
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| A variety or type of: | Tremolite | |||||||||||||||||||||
| Chemical Formula |
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| Physical Properties of Hexagonite | ||||||||||||||||||||||
| Mohs Hardness | 5 to 6, Blue Chart Gem Identification (2010) | |||||||||||||||||||||
| Specific Gravity | 2.98 to 3.03, Blue Chart Gem Identification (2010) | |||||||||||||||||||||
| Cleavage Quality | Perfect, Gems, Sixth Edition (2006) | |||||||||||||||||||||
| Optical Properties of Hexagonite | ||||||||||||||||||||||
| Refractive Index | 1.599 to 1.637, Blue Chart Gem Identification (2010) | |||||||||||||||||||||
| Optical Character | Biaxial/-, Blue Chart Gem Identification (2010) | |||||||||||||||||||||
| Birefringence | 0.023 to 0.028, Blue Chart Gem Identification (2010) | |||||||||||||||||||||
| Colour | ||||||||||||||||||||||
| Colour (General) | Lilac-pink, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||
| Causes of Colour | Pink, Mn3+, Pragmatic Spectroscopy For Gemologists (2011) | |||||||||||||||||||||
| Transparency | Transparent,Translucent, Gemmological Tables (2004) More from other references | |||||||||||||||||||||
| Lustre | Vitreous, Gemstones (2009) | |||||||||||||||||||||
| Fluorescence & other light emissions | ||||||||||||||||||||||
| Fluorescence (General) | Common orangy, pinkish, reddish (also dull gray-green), Blue Chart Gem Identification (2010) | |||||||||||||||||||||
| Crystallography of Hexagonite | ||||||||||||||||||||||
| Crystal System | Monoclinic, Management Team (2012) | |||||||||||||||||||||
| Further Information | ||||||||||||||||||||||
| Mineral information: | Hexagonite information at mindat.org | |||||||||||||||||||||
| Significant Gem Localities | ||||||||||||||||||||||
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