Tektite 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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Tektite Gemstones by Size
This table shows distribution of Tektite 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:4.08 cts
Heaviest:14.01 cts
Average:9.05 cts
Total photos:6
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| General Information | |
|---|---|
| Varieties/Types: | |
| Physical Properties of Tektite | |
| Mohs Hardness | 5.5, Blue Chart Gem Identification (2010) |
| Specific Gravity | 2.34 to 2.51, Blue Chart Gem Identification (2010) |
| Optical Properties of Tektite | |
| Refractive Index | 1.490 to 1.520, Blue Chart Gem Identification (2010) |
| Colour | |
| Colour (General) | Green, Blue Chart Gem Identification (2010) |
| Causes of Colour | Yellowish green, Fe2+ in octahedral coordination. Brown Fe3+ in octahedral coordination, Pragmatic Spectroscopy For Gemologists (2011) |
| Crystallography of Tektite | |
| Crystal System | Amorphous, Blue Chart Gem Identification (2010) |
| Inclusions in Tektite | |
| Spherical or elongated (torpedo shaped) gas bubbles, swirl striae (snake-like pattern) - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 8 | |
| Further Information | |
| Mineral information: | Tektite information at mindat.org |