Hiddenite
Hiddenite, Alexander County, North Carolina, USA
5.14 carats
© Rarestone.com
Hiddenite is a pale- to emerald-green variety of Spodumene.
Hiddenite 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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Hiddenite Gemstones by Size
This table shows distribution of Hiddenite 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:1.46 cts
Heaviest:5.14 cts
Average:2.96 cts
Total photos:5
Do you have a larger Hiddenite? Why not upload a photo?
| General Information | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A variety or type of: | Spodumene | |||||||||||||
| Chemical Formula |
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| Physical Properties of Hiddenite | ||||||||||||||
| Mohs Hardness | 6 to 7, Blue Chart Gem Identification (2010) More from other references | |||||||||||||
| Specific Gravity | 3.15 to 3.21, Blue Chart Gem Identification (2010) More from other references | |||||||||||||
| Tenacity | Brittle, Gemstones of the world (2001) | |||||||||||||
| Cleavage Quality | Perfect, Gemmological Tables (2004) | |||||||||||||
| Fracture | Uneven, Gemstones of the world (2001) | |||||||||||||
| Optical Properties of Hiddenite | ||||||||||||||
| Refractive Index | 1.657 to 1.681, Blue Chart Gem Identification (2010) More from other references | |||||||||||||
| Optical Character | Biaxial/+, Blue Chart Gem Identification (2010) | |||||||||||||
| Birefringence | 0.014 to 0.016, Blue Chart Gem Identification (2010) | |||||||||||||
| Pleochroism | Distinct trichroism: yellow green - green - blue green, Blue Chart Gem Identification (2010) | |||||||||||||
| Dispersion | 0.017, Gemstones of the world (2001) | |||||||||||||
| Colour | ||||||||||||||
| Colour (General) | Yellow-green, green-yellow, emerald-green, Gemstones of the world (2001) More from other references | |||||||||||||
| Colour (Chelsea Filter) | Pinkish, Blue Chart Gem Identification (2010) | |||||||||||||
| Causes of Colour | The coloring agent is chromium., Gemstones of the world (2001) | |||||||||||||
| Transparency | Transparent, Gemmological Tables (2004) | |||||||||||||
| Lustre | Vitreous, Gemstones of the world (2001) | |||||||||||||
| Fluorescence & other light emissions | ||||||||||||||
| Fluorescence (General) | Very weak: red-yellow, Gemstones of the world (2001) | |||||||||||||
| Crystallography of Hiddenite | ||||||||||||||
| Crystal System | Monoclinic, Blue Chart Gem Identification (2010) More from other references | |||||||||||||
| Habit | Prismatic, tabular, Gemstones of the world (2001) | |||||||||||||
| Geological Environment | ||||||||||||||
| Where found: | Deposits occur in granite pegmatite., Gemstones of the world (2001) | |||||||||||||
| Further Information | ||||||||||||||
| Mineral information: | Hiddenite information at mindat.org | |||||||||||||
| Significant Gem Localities | ||||||||||||||
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