Cassiterite 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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Cassiterite Gemstones by Size
This table shows distribution of Cassiterite 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:0.55 cts
Heaviest:9.20 cts
Average:4.50 cts
Total photos:11
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| Chemical Formula |
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| Physical Properties of Cassiterite | ||||||||||||||||||||||||||||||||||||||||||||||
| Mohs Hardness | 6 to 7, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||||||||||||||||||||||
| Specific Gravity | 6.86 to 7.03, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||||||||||||||||||||||
| Cleavage Quality | Good, Gemmological Tables (2004) More from other references | |||||||||||||||||||||||||||||||||||||||||||||
| Fracture | Conchoidal, Gemstones (2009) | |||||||||||||||||||||||||||||||||||||||||||||
| Refractive Index | 1.997 to 2.098, Gemmological Tables (2004) More from other references | |||||||||||||||||||||||||||||||||||||||||||||
| Optical Character | Uniaxial/+, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||||||||||||||||||||||
| Birefringence | 0.096 to 0.098, Blue Chart Gem Identification (2010) DoublingMore from other references | |||||||||||||||||||||||||||||||||||||||||||||
| Pleochroism | Weak: greenish-yellow - brown - red-brown, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||||||||||||||||||||||
| Dispersion |
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