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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| General Information | ||||||
|---|---|---|---|---|---|---|
| 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 | Fatal error: Uncaught mysqli_sql_exception: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb3_uca1400_ai_ci,COERCIBLE) for operation '=' in /big/var/www/gemdat/gemshow_class.php:690 Stack trace: #0 /big/var/www/gemdat/gemshow_class.php(690): mysqli->query() #1 /big/var/www/gemdat/gemshow_class.php(505): gemshow_class->showdata() #2 /big/var/www/gemdat/gemshow_class.php(1469): gemshow_class->showblock() #3 /big/var/www/gemdat/gshow.php(151): gemshow_class->do_optical() #4 {main} thrown in /big/var/www/gemdat/gemshow_class.php on line 690 | |||||